| vacuolar Ascorbate transporter AtDTX25 |
promotes |
reduction and mobilization of Fe 3+ stored in vacuoles |
Arabidopsis thaliana |
| (HTB4, AT5G59910) pro-GUS/Col-0 seedlings |
shows enhanced |
GUS signals under Fe-deficient conditions |
Arabidopsis thaliana |
| Iron (Fe) |
plays a vital role in |
photosynthesis, respiration, hormone biosynthesis, morphogenesis, and cellular enzymatic reactions |
|
| (PYE, AT3G47640) |
interacts with |
clade IVc (bHLH, AT5G51780) ( (bHLH105, ILR3, AT5G54680) and (bHLH115, AT1G51070) ) |
Arabidopsis thaliana |
| unsuberized root zones where Fe 3+ reduction can occur |
are elongated in |
iron deficiency conditions |
|
| (BHLH038, bHLH38, ORG2, AT3G56970) |
is suppressed in |
(HTB4, AT5G59910) mutant |
|
| (HTB4, AT5G59910) comp plants under Fe deficiency conditions |
rescue |
(ATFRO2, FRD1, FRO2, AT1G01580) and (ATIRT1, IRT1, AT4G19690) induction |
Arabidopsis thaliana |
| (HTB4, AT5G59910) |
regulates expression of |
upstream (bHLH, AT5G51780) TFs |
Arabidopsis thaliana |
| FIT/bHLH29 (FER-LIKE IRON DEFICIENCY INDUCED TRANSCRIPTION FACTOR; clade IIIa) |
interacts with |
(BHLH038, bHLH38, ORG2, AT3G56970) and (BHLH039, bHLH39, ORG3, AT3G56980) and (BHLH100, AT2G41240) and (BHLH101, AT5G04150) (clade Ib) |
Arabidopsis thaliana |
| clade Ib bHLHs ( (BHLH038, bHLH38, ORG2, AT3G56970) (BHLH039, bHLH39, ORG3, AT3G56980) (BHLH100, AT2G41240) (BHLH101, AT5G04150) ) |
interact with |
FIT/bHLH29 (FER-LIKE IRON DEFICIENCY INDUCED TRANSCRIPTION FACTOR; clade IIIa) |
Arabidopsis thaliana |
| (BTSL1, AT1G74770) (BRUTUS LIKE 1) and (BTSL2, AT1G18910) (BRUTUS LIKE 2) |
are involved in |
degradation of FIT |
Arabidopsis thaliana |
| genes with decreased expression in (HTB4, AT5G59910) mutant compared to wild-type plants |
include |
(FEP1, IMA3, AT2G30766) |
Arabidopsis thaliana |
| suppression of Ib (bHLH, AT5G51780) transcription factors |
compromises |
FERRIC REDUCTION OXIDASE 2 (ATFRO2, FRD1, FRO2, AT1G01580) expression |
|
| Arabidopsis |
has |
17 different (bHLH, AT5G51780) proteins from six clades |
Arabidopsis thaliana |
| (HTB4, AT5G59910) |
promotes |
expression of FIT |
Arabidopsis thaliana |
| (HTB4, AT5G59910) |
promotes enrichment of |
active mark H3K4me3 near TSSs |
Arabidopsis thaliana |
| clade Ib (bHLH, AT5G51780) proteins |
heterodimerize with |
FIT |
Arabidopsis thaliana |
| (ARAPPT, CUE1, NOX1, PPT, AT5G33320) mutants |
have altered expression of |
(ATFER1, FER1, AT5G01600) and/or (ATFRO2, FRD1, FRO2, AT1G01580) |
Arabidopsis thaliana |
| (ATOPT3, OPT3, AT4G16370) (oligopeptide transporter) |
is upregulated in |
(ATNRAMP3, NRAMP3, AT2G23150) (ATNRAMP4, NRAMP4, AT5G67330) mutant |
Arabidopsis thaliana |
| (ATIREG2, FPN2, IREG2, AT5G03570) |
is not upregulated in |
germinating (ATNRAMP3, NRAMP3, AT2G23150) (ATNRAMP4, NRAMP4, AT5G67330) mutant |
Arabidopsis thaliana |
| (HTB4, AT5G59910) |
is associated with |
gene regulatory regions of Ib (bHLH, AT5G51780) TFs |
Arabidopsis thaliana |
| (ATOPT3, OPT3, AT4G16370) (oligo peptide transporter 3) |
is involved in |
communicating the shoot iron status to the root |
Arabidopsis thaliana |
| up-regulation of (S8H, AT3G12900) (ATFRO2, FRD1, FRO2, AT1G01580) (ATIRT1, IRT1, AT4G19690) etc |
is obviously sufficient to compensate for |
iron imbalances caused by defective suberin-like (SL) deposition |
Populus trichocarpa |
| (H2B, HTB2, AT5G22880) histone variant (HTB4, AT5G59910) |
binds to promoter regions of |
Ib subgroup basic helix–loop–helix (bHLH) transcription factors |
|
| (bHLH34, IDT1, AT3G23210) (iron deficiency tolerant 1) |
positively regulates |
expression of clade Ib bHLHs |
Arabidopsis thaliana |
| negative correlation between (HTB4, AT5G59910) and genes that encode proteins that negatively regulate clade Ib expression |
is proposed to exist |
between (HTB4, AT5G59910) and (PYE, AT3G47640) (BTS, EMB2454, AT3G18290) (BTSL1, AT1G74770) and (BTSL2, AT1G18910) |
Arabidopsis thaliana |
| Zea mays |
employs |
another iron uptake strategy |
Zea mays |
| (HTB4, AT5G59910) expression |
is repressed under |
iron sufficiency |
Arabidopsis thaliana |
| nia1nia2 mutants |
have altered expression of |
(ATFER1, FER1, AT5G01600) and/or (ATFRO2, FRD1, FRO2, AT1G01580) |
Arabidopsis thaliana |
| Ib (bHLH, AT5G51780) TFs (bHLH034, (bHLH104, AT4G14410) (bHLH105, ILR3, AT5G54680) , and (bHLH115, AT1G51070) ) and (bHLH121, URI, AT3G19860) |
regulate |
Ib (bHLH, AT5G51780) TFs during Fe deficiency |
Arabidopsis thaliana |
| (H2B, HTB2, AT5G22880) histone variant (HTB4, AT5G59910) |
enhances expression of |
Ib subgroup basic helix–loop–helix (bHLH) transcription factors |
|
| (HTB4, AT5G59910) comp plants |
rescue |
(BHLH038, bHLH38, ORG2, AT3G56970) (BHLH039, bHLH39, ORG3, AT3G56980) (BHLH100, AT2G41240) and (BHLH101, AT5G04150) expression decrease |
Arabidopsis thaliana |
| (HTB4, AT5G59910) |
is primarily enriched at |
transcriptional start sites (TSSs) of (BHLH038, bHLH38, ORG2, AT3G56970) (BHLH039, bHLH39, ORG3, AT3G56980) (BHLH100, AT2G41240) and (BHLH101, AT5G04150) |
Arabidopsis thaliana |
| (HTB4, AT5G59910) mutant |
impairs |
root iron uptake |
|
| full-length (BTS, EMB2454, AT3G18290) (BBG) |
complemented bts-1 lines by restoring |
iron reductase activity |
Arabidopsis thaliana |
| plants encounter iron-deficient conditions |
leads to |
(BTS, EMB2454, AT3G18290) accumulation |
Arabidopsis thaliana |
| (ATNRAMP3, NRAMP3, AT2G23150) (ATNRAMP4, NRAMP4, AT5G67330) mutant |
triggers Fe deficiency response even in presence of |
Fe in the medium |
Arabidopsis thaliana |
| (ATNRAMP3, NRAMP3, AT2G23150) |
transcript levels are decreased in |
(ATNRAMP3, NRAMP3, AT2G23150) (ATNRAMP4, NRAMP4, AT5G67330) mutant |
Arabidopsis thaliana |
| mRNA levels |
are up-regulated under |
low-iron conditions |
Arabidopsis thaliana |
| (BHLH038, bHLH38, ORG2, AT3G56970) (BHLH039, bHLH39, ORG3, AT3G56980) (BHLH100, AT2G41240) and (BHLH101, AT5G04150) expression |
are significantly suppressed in |
(HTB4, AT5G59910) mutant plants |
Arabidopsis thaliana |
| regulation of iron homeostasis |
is well-conserved in |
plants |
|
| (BHLH101, AT5G04150) |
is suppressed in |
(HTB4, AT5G59910) mutant |
|
| exogenous Fe application |
suppresses |
(HTB4, AT5G59910) expression |
Arabidopsis thaliana |
| (BHLH038, bHLH38, ORG2, AT3G56970) (BHLH039, bHLH39, ORG3, AT3G56980) (BHLH100, AT2G41240) and (BHLH101, AT5G04150) gene expression |
are significantly downregulated in |
(HTB4, AT5G59910) mutant |
Arabidopsis thaliana |
| (bHLH, AT5G51780) TFs |
play important role in |
Fe deficiency response |
Arabidopsis thaliana |
| (H2B, HTB2, AT5G22880) histone variant (HTB4, AT5G59910) |
directly promotes |
expression of clade Ib bHLHs |
Arabidopsis thaliana |
| dicotyledonous plants |
generally employ |
iron strategy I to acquire iron from root medium |
|
| (HTB4, AT5G59910) pro-GUS/Col-0 seedlings |
shows decreased |
GUS signals under Fe-abundant conditions |
Arabidopsis thaliana |
| bHLH-IRT1 cascade |
is repressed by |
loss of function of (HTB4, AT5G59910) |
Arabidopsis thaliana |
| FIT/bHLH29 (FER-LIKE IRON DEFICIENCY INDUCED TRANSCRIPTION FACTOR; clade IIIa) and (BHLH038, bHLH38, ORG2, AT3G56970) and (BHLH039, bHLH39, ORG3, AT3G56980) and (BHLH100, AT2G41240) and (BHLH101, AT5G04150) (clade Ib) |
form heterodimers with partially overlapping roles |
iron homeostasis regulation |
Arabidopsis thaliana |
| (ATNAS4, NAS4, AT1G56430) (NICOTIANAMINE SYNTHASE 4) expression |
is reduced in |
(HTB4, AT5G59910) mutants |
Arabidopsis thaliana |
| Arabidopsis |
shows iron deficiency-induced |
decreased suberization of roots |
Arabidopsis thaliana |
| (HTB4, AT5G59910) |
plays crucial role in |
maintaining Fe homeostasis |
Arabidopsis thaliana |
| (bHLH121, URI, AT3G19860) (UPSTREAM REGULATOR OF (ATIRT1, IRT1, AT4G19690) ) |
positively regulates |
expression of clade Ib bHLHs |
Arabidopsis thaliana |
| H3K4me3 active mark |
is enriched in |
promoter regions of (BHLH038, bHLH38, ORG2, AT3G56970) (BHLH039, bHLH39, ORG3, AT3G56980) (BHLH100, AT2G41240) and (BHLH101, AT5G04150) |
Arabidopsis thaliana |
| inducible overexpression of (BHLH038, bHLH38, ORG2, AT3G56970) (BHLH039, bHLH39, ORG3, AT3G56980) (BHLH100, AT2G41240) or (BHLH101, AT5G04150) |
significantly increased |
Fe content of estradiol-treated transgenic plants |
Arabidopsis thaliana |
| severe leaf chlorosis |
could be rescued by |
exogenous application of Fe |
Arabidopsis thaliana |
| (ATNAS1, NAS1, AT5G04950) (nicotianamine synthase 1) expression |
is reduced in |
(HTB4, AT5G59910) mutants |
Arabidopsis thaliana |
| plant ferritins |
play important roles in |
binding excess iron to limit oxidative stress |
|
| 35s::GSNOR1 mutants |
had AtFRO2 transcript levels different from |
Col-0 |
Arabidopsis thaliana |
| inducible overexpression of (ATIRT1, IRT1, AT4G19690) |
attenuated |
phenotype of (HTB4, AT5G59910) mutant |
Arabidopsis thaliana |
| genes with decreased expression in (HTB4, AT5G59910) mutant compared to wild-type plants |
include |
(bHLH34, IDT1, AT3G23210) (bHLH, AT5G51780) transcription factor |
Arabidopsis thaliana |
| (bHLH34, IDT1, AT3G23210) (bHLH, AT5G51780) transcription factor |
is a direct positive regulator of |
clade Ib bHLHs expression |
Arabidopsis thaliana |
| heavy metal transport protein |
might play a role in |
regulating Fe accumulation in nectar |
Melianthus minor |
| (ARAPPT, CUE1, NOX1, PPT, AT5G33320) mutants |
downregulated |
(ATFRO2, FRD1, FRO2, AT1G01580) transcripts |
Arabidopsis thaliana |
| (HTB4, AT5G59910) |
may play a role in modulating |
iron uptake/homeostasis in alkaline soil environments |
Arabidopsis thaliana |
| up-regulation of (S8H, AT3G12900) (ATFRO2, FRD1, FRO2, AT1G01580) (ATIRT1, IRT1, AT4G19690) etc |
is a common phenomenon observed in |
plants grown under iron deficiency |
Populus trichocarpa |
| nitric oxide (NO) |
is involved in regulation of |
plant iron homeostasis |
Arabidopsis thaliana |
| disruption or inhibition of heterodimer complex formation between (PYE, AT3G47640) and PYEL proteins |
could potentially perturb |
downstream iron deficiency-responsive genes regulated by (PYE, AT3G47640) |
Arabidopsis thaliana |
| H3K4me3 enrichment at clade Ib (bHLH, AT5G51780) promoters |
promotes |
expression of clade Ib bHLHs |
Arabidopsis thaliana |
| (ZIF1, AT5G13740) |
increases the concentration of |
nicotianamine in the vacuole |
Arabidopsis thaliana |
| (MTP8, AT3G58060) |
is not upregulated in |
germinating (ATNRAMP3, NRAMP3, AT2G23150) (ATNRAMP4, NRAMP4, AT5G67330) mutant |
Arabidopsis thaliana |
| assimilation of Fe |
is under |
complex, multifaceted control |
Arabidopsis thaliana |
| Ib subgroup basic helix–loop–helix (bHLH) transcription factors |
are involved in |
iron (Fe) homeostasis |
|
| (BTS, EMB2454, AT3G18290) |
physically interacts with |
(bHLH115, AT1G51070) |
Arabidopsis thaliana |
| (ATFRD3, FRD3, MAN1, AT3G08040) in pollen grain and embryos |
suggests |
complex mechanism of iron nutrition during embryogenesis |
Arabidopsis thaliana |
| Fe resupply to 10 µm Fe-EDTA |
leads to rise in |
Fe levels in rosette |
Arabidopsis thaliana |
| (ATFER1, FER1, AT5G01600) expression |
was decreased after |
2 days of Fe deficiency |
Arabidopsis thaliana |
| iron limitation |
impacts cytosolic aconitase at |
posttranslational level |
Arabidopsis thaliana |
| citrate |
chelates |
Fe |
|
| YSL (Yellow Stripe-Like) proteins |
transport |
Fe across membranes |
|
| ferritin-mediated checkpoints for iron transport |
is critical for |
healthy embryo development |
Arabidopsis thaliana |
| increased AHA protein levels |
facilitates |
enhanced rhizosphere acidification |
Arabidopsis thaliana |
| decreased (BTS, EMB2454, AT3G18290) activity |
leads to |
elevated rhizosphere acidification, iron reductase activity, and iron uptake |
Arabidopsis thaliana |
| (BTS, EMB2454, AT3G18290) protein under low-iron conditions |
is more stable and |
regulates PYEL/ (PYE, AT3G47640) regulatory activity through E3 ligase activity |
Arabidopsis thaliana |
| enhanced rhizosphere acidification |
could be attributed to |
slight increases in shoot and root iron content |
Arabidopsis thaliana |
| (BTS, EMB2454, AT3G18290) |
contains both |
iron-sensing and E3 ligase activities |
Arabidopsis thaliana |
| (bHLH105, ILR3, AT5G54680) |
controls expression of |
iron transporters |
Arabidopsis thaliana |
| Fe availability |
affects |
Fe content in plant rosettes |
Arabidopsis thaliana |
| ferritin function in the physiology of plants |
is |
more related to the protection against free iron toxicity than to the establishment of a reserve pool |
|
| seed metals from wild-type Arabidopsis and ferritin mutant plants |
was measured in |
wild-type Arabidopsis and ferritin mutant plants |
Arabidopsis thaliana |
| alterations in Fe transport across the vacuolar membrane |
potentially lead to |
major alterations in Fe localization and bioavailability |
Arabidopsis thaliana |
| iron (Fe) homeostasis |
includes |
iron uptake from soil via roots |
|
| identification of additional mechanisms controlling xylem loading of iron (Fe) |
remains |
an important goal for full understanding of plant iron (Fe) homeostasis |
|
| (ABCB23, ATATM1, ATM1, AT4G28630) |
may have |
distinct function |
Arabidopsis thaliana |
| (ABCB24, ATATM2, ATM2, AT4G28620) |
has not yet been fully characterized in function |
function |
Arabidopsis thaliana |
| Nicotianamine synthase 1 and 4 |
are |
up-regulated by iron deficiency |
Arabidopsis thaliana |
| FER-LIKE FE DEFICIENCY-INDUCED TRANSCRIPTION FACTOR (FIT) |
is posttranslationally regulated by |
nitric oxide |
Arabidopsis thaliana |
| MtMATE67 |
has key role in |
Fe uptake into nodule cells |
Medicago truncatula |
| NRAMP overexpressors |
affects |
iron homeostasis of vacuolar and plastidial compartments |
Arabidopsis thaliana |
| ferritin accumulation in 35S::Nramp3 overexpressor lines |
was similar in |
various (ATNRAMP3, NRAMP3, AT2G23150) and (ATNRAMP4, NRAMP4, AT5G67330) overexpressor lines compared to Col |
Arabidopsis thaliana |
| loss of (BTS, EMB2454, AT3G18290) induction |
leads to |
increased tolerance to iron deficiency |
Arabidopsis thaliana |
| Oryza sativa Hemerythrin motif-containing RING and Zinc-Finger Protein1 (OsHRZ1) |
is |
(BTS, EMB2454, AT3G18290) ortholog in rice |
Oryza sativa |
| SUFB, FDX2, and (SAPX, AT4G08390) transcripts |
remained low over |
1-week Fe depletion |
Arabidopsis thaliana |
| MtNramp1 mutant |
compromises |
symbiotic nitrogen fixation (SNF) |
Medicago truncatula |
| citrate transport by MATE proteins |
helps to mobilize |
Fe |
|
| increased growth in (S8H, AT3G12900) mutants and Ox lines |
was accompanied by |
higher shoot Fe content |
Arabidopsis thaliana |
| (BTS, EMB2454, AT3G18290) |
does not interact with |
(PYE, AT3G47640) |
Arabidopsis thaliana |
| rhizosphere acidification coupled with higher (ATFRO2, FRD1, FRO2, AT1G01580) and (ATIRT1, IRT1, AT4G19690) activity |
leads to increased |
solubility and transport of iron into root epidermal cells |
Arabidopsis thaliana |
| (BTS, EMB2454, AT3G18290) |
interacts with |
iron-responsive (bHLH, AT5G51780) transcription factors (bHLH105, ILR3, AT5G54680) and (bHLH115, AT1G51070) |
Arabidopsis thaliana |
| good correlation between protein and mRNA abundance |
was observed |
Fe deficiency response |
Arabidopsis thaliana |
| higher shoot Fe content in (S8H, AT3G12900) mutants and Ox lines |
might be due to |
reduced demand for Fe required as a cofactor for (F6'H1, AT3G13610) and (S8H, AT3G12900) in the mutants and improved Fe uptake due to increased production of Fe-mobilizing compounds in the Ox lines |
Arabidopsis thaliana |
| mutation in (ATVIT1, VIT1, AT2G01770) |
leads to |
mislocalization of Fe in seed |
Arabidopsis thaliana |
| increase in iron accumulation in tissues |
is correlated with |
increase in ferritin abundance |
Arabidopsis thaliana |
| (BTS, EMB2454, AT3G18290) |
is |
critical iron-sensing E3 ubiquitin ligase |
Arabidopsis thaliana |
| (At-NEET, NEET, AT5G51720) ([2Fe-2S] protein) |
is transcriptionally downregulated in |
(ATNRAMP3, NRAMP3, AT2G23150) (ATNRAMP4, NRAMP4, AT5G67330) at days 1 and 3 |
Arabidopsis thaliana |
| ferritin in flowers |
protect against |
iron overload |
|
| mir plants |
may not be able to utilize iron for |
physiological functions |
Oryza sativa |
| (AtTic21, CIA5, PIC1, TIC21, AT2G15290) mutants |
could not be rescued by |
excess Fe |
Arabidopsis thaliana |
| Oryza sativa Hemerythrin motif-containing RING and Zinc-Finger Protein2 (OsHRZ2) |
is |
(BTS, EMB2454, AT3G18290) ortholog in rice |
Oryza sativa |
| (BTS, EMB2454, AT3G18290) |
negatively regulates |
iron deprivation responses |
Arabidopsis thaliana |
| (BTS, EMB2454, AT3G18290) |
could mediate iron homeostasis through interaction with |
other PYEL proteins |
Arabidopsis thaliana |
| (FER, AT3G51550) knockout mutants |
affects |
iron homeostasis of vacuolar and plastidial compartments |
Arabidopsis thaliana |
| Fe in mir plants |
is present in form that cannot be easily used by |
plants |
|
| (BTS, EMB2454, AT3G18290) |
is hypothesized to negatively regulate |
iron homeostasis |
Arabidopsis thaliana |
| (BTS, EMB2454, AT3G18290) |
could mediate |
response to iron deprivation |
Arabidopsis thaliana |
| accumulation of PYEL protein (bHLH105, ILR3, AT5G54680) |
controls |
iron availability for auxin homeostasis |
Arabidopsis thaliana |
| Fe(III) solubility and mobility in the apoplasm |
enables |
uptake of Fe into nodule cells |
Medicago truncatula |
| IAA-LEUCINE RESISTANT3 (bHLH105, ILR3, AT5G54680) |
may transcriptionally control expression of |
iron transporters |
Arabidopsis thaliana |
| plastids |
should play central role in |
maintaining Fe homeostasis in green tissues |
|
| loss of MtMATE67 gene function |
resulted in accumulation of |
Fe in the apoplasm of nodule cells |
Medicago truncatula |
| POPEYE (PYE, AT3G47640) |
interacts with |
IAA-LEUCINE RESISTANT3 (bHLH105, ILR3, AT5G54680) (bHLH104, AT4G14410) and (bHLH115, AT1G51070) |
Arabidopsis thaliana |
| higher accumulation of BBΔHG protein in roots |
could attenuate |
iron deficiency response |
Arabidopsis thaliana |
| (ATFER1, FER1, AT5G01600) |
expression is decreased in |
1-day-old and 3-day-old (ATNRAMP3, NRAMP3, AT2G23150) (ATNRAMP4, NRAMP4, AT5G67330) plants |
Arabidopsis thaliana |
| delay in establishment of photosynthesis |
represents a highly efficient way to |
spare iron |
Arabidopsis thaliana |
| (TTL3, VIT, AT2G42580) (Vacuolar Iron Transporter) proteins |
transport |
Fe across membranes |
|
| nramp3-4 genetic background |
results in lower accumulation of |
(ATFER2, FER2, AT3G11050) protein |
Arabidopsis thaliana |
| ectopic overexpression of (ATNRAMP4, NRAMP4, AT5G67330) |
was tested to alter |
Fe vacuolar transport efflux |
Arabidopsis thaliana |
| (BTS, EMB2454, AT3G18290) |
is induced in response to |
iron deficiency |
Arabidopsis thaliana |
| Fe-deficient plants |
quickly recover after |
Fe resupply |
Arabidopsis thaliana |
| SUFB |
is downregulated in |
(ATNRAMP3, NRAMP3, AT2G23150) (ATNRAMP4, NRAMP4, AT5G67330) mutant at early stages |
Arabidopsis thaliana |
| iron-binding HHE domains |
do not participate directly in |
root growth phenotype, rhizosphere acidification, and iron reductase activity under iron deficiency |
Arabidopsis thaliana |
| iron deficiency response |
allows the mutant to overcome |
defect in vacuolar export |
Arabidopsis thaliana |
| core-promoter element insertion |
can enhance |
iron-regulated transporter1 gene expression |
|
| PYE-like (PYEL) proteins |
interact with |
BRUTUS (BTS, EMB2454, AT3G18290) |
Arabidopsis thaliana |
| bts-1 mutant |
exhibits lower |
(ATIRT1, IRT1, AT4G19690) protein level |
Arabidopsis thaliana |
| loss of (BTS, EMB2454, AT3G18290) function |
may be due to |
perturbations in regulation of iron translocation into developing siliques and embryos |
Arabidopsis thaliana |
| (ATNRAMP4, NRAMP4, AT5G67330) overexpressor |
does not show decrease in |
ferritin abundance |
|
| mitochondrial iron-regulated (MIR) protein |
plays a significant role in |
iron homeostasis |
Oryza sativa |
| YSL ( (ATYSL1, YSL1, AT4G24120) and (ATYSL3, YSL3, AT5G53550) ) |
is critical for |
iron translocation to developing embryo and into seed coat |
Arabidopsis thaliana |
| complex, multifaceted control of Fe assimilation |
is required to |
keep Fe within a tight cellular concentration |
Arabidopsis thaliana |
| MIR |
is not expressed in |
mir plants grown under Fe-sufficient conditions |
|
| up-regulation of Fe-deficiency responsive genes |
appears to be responsible for |
high accumulation of Fe in mir plants |
|
| Chlamydomonas PGRL1 |
is up-regulated under |
iron deprivation |
Chlamydomonas reinhardtii |
| OSOPT4 |
has undetermined role in |
iron homeostasis |
Oryza sativa |
| Fe limitation |
causes significant decrease in |
shoot Fe content |
Arabidopsis thaliana |
| 215 down-regulated genes |
are associated with |
iron ion transport |
Arabidopsis thaliana |
| accumulation of (BTS, EMB2454, AT3G18290) |
is affected by |
binding iron through HHE domains |
Arabidopsis thaliana |
| truncated BBΔHG |
shows in vivo accumulation compared with BBG |
irrespective of iron status in roots |
Arabidopsis thaliana |
| (BTS, EMB2454, AT3G18290) |
accumulates under |
iron deprivation |
Arabidopsis thaliana |
| (BTS, EMB2454, AT3G18290) |
targets |
regulatory components of iron deficiency pathway |
Arabidopsis thaliana |
| alterations in Fe transport across the vacuolar membrane |
influence |
ferritin synthesis during fruit development |
Arabidopsis thaliana |
| (ATVIT1, VIT1, AT2G01770) |
mediates vacuolar influx of |
iron |
Arabidopsis thaliana |
| sparing solubility of Fe |
limits |
availability of Fe to plants |
|
| (ABCB23, ATATM1, ATM1, AT4G28630) |
plays an important role in |
overall cellular Fe homeostasis |
non-plant eukaryotes |
| loss of Fe export mechanisms |
could explain |
Fe homeostasis phenotypes |
Arabidopsis thaliana |
| loading and unloading of iron into and from the vacuole |
are |
important determinants of the control of iron homeostasis in seeds |
Arabidopsis thaliana |
| (ATFER2, FER2, AT3G11050) ferritin abundance in seeds of nramp3-4 mutant |
showed a decrease in |
nramp3-4 mutant |
Arabidopsis thaliana |
| chloronerva (chln) mutant |
indicates |
inadequate iron |
Solanum lycopersicum |
| low-iron conditions |
up-regulate |
(ATFRO2, FRD1, FRO2, AT1G01580) and (ATIRT1, IRT1, AT4G19690) |
Arabidopsis thaliana |
| inhibition of mitochondrial Fe transport |
leads to |
Fe accumulation in vacuoles |
Saccharomyces cerevisiae |
| ferritin |
plays important role in |
Fe homeostasis |
|
| OsYSL2 expression |
suggests a role in |
Fe-uptake process |
Oryza sativa |
| OsOPT1 |
has undetermined role in |
iron homeostasis |
Oryza sativa |
| heme biosynthesis |
occurs in |
plastids |
|
| (ATIREG3, FPN3, IREG3, MAR1, RTS3, AT5G26820) expression in Δmrs3 Δmrs4 |
would be expected if |
(ATIREG3, FPN3, IREG3, MAR1, RTS3, AT5G26820) were a mitochondrial iron importer |
Saccharomyces cerevisiae |
| increased level of (ATIREG3, FPN3, IREG3, MAR1, RTS3, AT5G26820) transcripts in iron-deficient roots |
is primarily driven by |
local iron conditions |
Arabidopsis thaliana |
| transcripts of (ATFER1, FER1, AT5G01600) (ATFER3, FER3, AT3G56090) and (ATFER4, FER4, AT2G40300) |
accumulate under |
iron sufficiency |
Arabidopsis thaliana |
| iron |
undergoes |
solubilization |
|
| iron |
undergoes |
remobilization |
|
| (TTL3, VIT, AT2G42580) overexpressors |
affects |
iron homeostasis of vacuolar and plastidial compartments |
Arabidopsis thaliana |
| samples from Col, (ATFER2, FER2, AT3G11050) fer1-3-4, and fer1-2-3-4 mutant plants |
were grown on |
soil without Fe supplementation |
Arabidopsis thaliana |
| citrate |
may affect |
iron (Fe) distribution at a local level within leaves |
Arabidopsis thaliana |
| AtFPN2 (ATIREG2, FPN2, IREG2, AT5G03570) |
mediates sequestration of toxic metals during |
Fe deficiency |
Arabidopsis thaliana |
| iron deficiency |
induces twofold increase in AtOPT3 expression in |
leaves |
Arabidopsis thaliana |
| chloronerva (chln) mutant |
constitutively activate |
root iron-uptake systems |
Solanum lycopersicum |
| loss of Arabidopsis (ABCB25, ATATM3, ATM3, STA1, AT5G58270) |
resulted in |
severe growth defects and chlorosis |
Arabidopsis thaliana |
| (ATOPT3, OPT3, AT4G16370) |
is in same regulatory network as |
other iron-partitioning genes |
Arabidopsis thaliana |
| (ATYSL1, YSL1, AT4G24120) (ATYSL2, YSL2, AT5G24380) and (ATYSL3, YSL3, AT5G53550) |
participate in |
distinct aspect of iron homeostasis |
Arabidopsis thaliana |
| Iron (Fe) |
is sequestered into |
vacuoles |
Oryza sativa |
| allelic insertion of (TATA, AT5G28750) box in iron-regulated transporter 1 promoter |
increases |
promoter activity |
Malus |
| overexpression of MRS3 and MRS4 |
suppressed |
iron toxicity |
Saccharomyces cerevisiae |
| (ATOPT3, OPT3, AT4G16370) expression upregulation only in GA shoots |
suggests that |
(ATOPT3, OPT3, AT4G16370) regulates shoot-to-root iron signaling |
Noccaea caerulescens |
| Vacuolar Iron Transporter 1 (OsVIT1) |
sequesters |
Iron (Fe) into vacuoles |
Oryza sativa |
| Fe homeostasis perturbation |
leads to |
growth impairments |
|
| (ATVIT1, VIT1, AT2G01770) |
is required for |
cell-specific Fe localization in Arabidopsis embryos |
Arabidopsis thaliana |
| PYE1 and (ATOPT3, OPT3, AT4G16370) |
are |
co-regulated |
Arabidopsis thaliana |
| transcription factor (ATBHLH029, ATBHLH29, ATFIT1, BHLH029, FIT, FIT1, FRU, AT2G28160) |
in concert with members of subgroup I of bHLH proteins triggers expression of |
(ATFRO2, FRD1, FRO2, AT1G01580) |
Arabidopsis thaliana |
| Fe deficiency |
induces expression of |
POPEYE (PYE, AT3G47640) |
Arabidopsis thaliana |
| IRON MAN (IMA) peptide class |
is preferentially expressed in |
leaves |
Arabidopsis |
| ethylene |
is involved in the up-regulation of |
NICOTIANAMINE SYNTHASE 2 (ATNAS2, NAS2, AT5G56080) |
Arabidopsis thaliana |
| OsNAS1 |
is |
nicotianamine synthase |
Oryza sativa |
| mir plants |
accumulated more than twice the amount of iron in |
shoot tissue |
Oryza sativa |
| (ATYSL1, YSL1, AT4G24120) (ATYSL2, YSL2, AT5G24380) and (ATYSL3, YSL3, AT5G53550) |
are not involved in |
iron acquisition |
Arabidopsis thaliana |
| Fe content in (AtTic21, CIA5, PIC1, TIC21, AT2G15290) mutants |
was unchanged |
(AtTic21, CIA5, PIC1, TIC21, AT2G15290) mutants |
Arabidopsis thaliana |
| mir plants grown under Fe-deficient conditions |
still showed symptoms of |
Fe deficiency |
|
| AtFPN1 |
mediates loading of Fe into |
xylem |
Arabidopsis thaliana |
| OsYSL2 |
mediates translocation of Fe from |
root to shoot |
Oryza sativa |
| ysl1ysl3 double mutant leaves grown on standard tissue culture medium |
show |
decreased iron levels |
Arabidopsis thaliana |
| atm3-1 mitochondria |
did not contain elevated levels of |
iron (Fe) |
Arabidopsis thaliana |
| a plastid Fe sensor (ABCI11, ATNAP14, NAP14, AT5G14100) |
monitors |
Fe status |
Arabidopsis thaliana |
| MIR |
plays significant role in |
rice Fe homeostasis via mitochondrion |
Oryza sativa |
| atm3-1 mutants |
had low levels of IRT1 protein at |
10 and 20 μM Fe |
Arabidopsis thaliana |
| levels of Fe in the chloroplast |
must be tightly regulated |
chloroplast function and homeostasis |
|
| mitochondria and chloroplasts |
are |
organelles with high iron demand |
Arabidopsis thaliana |
| (ATIREG3, FPN3, IREG3, MAR1, RTS3, AT5G26820) |
may be involved in |
iron homeostasis |
Arabidopsis thaliana |
| HsFPN Asp325 |
is conserved among |
vertebrate FPNs |
Vertebrata |
| shoot-to-root iron signaling |
could be regulated by |
(ATOPT3, OPT3, AT4G16370) |
Noccaea caerulescens |
| transporter proteins |
feature prominently as mediators of |
Fe homeostatic control |
|
| mitochondria |
have iron as the major micronutrient present with a molar ratio of |
26:8:6:1 for Fe:Zn:Cu:Mn |
|
| mitochondrial frataxin |
is involved in |
Fe–S cluster and heme biogenesis |
|
| (MIT1, AT2G30160) and (MIT2, AT1G07030) |
are essential for |
embryogenesis |
Arabidopsis thaliana |
| transcript levels of organellar iron-responsive genes |
would be affected in |
(ATIREG3, FPN3, IREG3, MAR1, RTS3, AT5G26820) mutant lines |
Arabidopsis thaliana |
| disruption of iron fluxes between seed vacuoles and plastids |
reveals |
post-transcriptional control of (ATFER2, FER2, AT3G11050) seed-specific ferritin gene |
Arabidopsis thaliana |
| ferritin accumulation in 35S::NRamp4 overexpressor lines |
was similar in |
various (ATNRAMP3, NRAMP3, AT2G23150) and (ATNRAMP4, NRAMP4, AT5G67330) overexpressor lines compared to Col |
Arabidopsis thaliana |
| low basal levels of transcripts of key iron transporters such as OsIRT2 |
suggests that salt-tolerant lines may be inherently more able to tolerate |
Fe-deficiency conditions |
|
| (ATIRT1, IRT1, AT4G19690) |
is primary iron uptake transporter from |
soil |
Arabidopsis thaliana |
| iron-deficiency response in roots |
is regulated by |
local signal determined by iron level in rhizosphere |
Arabidopsis thaliana; multiple plant species |
| (AtYSL4, YSL4, AT5G41000) and (AtYSL6, YSL6, AT3G27020) |
encode |
transporters that efflux iron–NA from chloroplasts or vacuoles |
Arabidopsis thaliana |
| iron subcellular localization |
is tightly regulated to ensure |
optimal utilization and bioavailability |
|
| 215 down-regulated genes |
are associated with |
cellular response to iron starvation |
Arabidopsis thaliana |
| BRUTUS (BTS, EMB2454, AT3G18290) |
is induced in response to |
low iron |
Arabidopsis thaliana |
| (BTS, EMB2454, AT3G18290) |
interacts with |
(bHLH115, AT1G51070) |
Nicotiana benthamiana |
| higher (ATFRO2, FRD1, FRO2, AT1G01580) activity |
facilitates |
enhanced rhizosphere acidification |
Arabidopsis thaliana |
| SCF FBXL5 E3 ligase complex |
regulates |
iron homeostasis |
Homo sapiens |
| Fe deficiency |
causes decrease in abundance of |
several Fe binding proteins |
Arabidopsis thaliana |
| Iron (Fe) |
is essential for |
multiple pathways in plants |
|
| aconitase activity |
could not be restored by providing |
high concentration of external iron |
Arabidopsis thaliana |
| (ATIREG3, FPN3, IREG3, MAR1, RTS3, AT5G26820) |
is expressed in |
Δmmt1/2 yeast mutant |
Saccharomyces cerevisiae |
| higher level of (ATFRO8, FRO8, AT5G50160) in iron-deficient (ATIREG3, FPN3, IREG3, MAR1, RTS3, AT5G26820) shoots |
may imply |
dysregulation of iron-dependent mitochondrial function |
Arabidopsis thaliana |
| iron |
undergoes |
chelation |
|
| (ATNRAMP3, NRAMP3, AT2G23150) and (ATNRAMP4, NRAMP4, AT5G67330) |
mediate vacuolar efflux of |
iron |
Arabidopsis thaliana |
| (ATYSL1, YSL1, AT4G24120) (ATYSL2, YSL2, AT5G24380) and (ATYSL3, YSL3, AT5G53550) expression |
is down-regulated by |
iron limitation |
Arabidopsis thaliana |
| ferritin protein |
had a corresponding increase in |
protein level in (AtTic21, CIA5, PIC1, TIC21, AT2G15290) mutants |
Arabidopsis thaliana |
| (ATIREG3, FPN3, IREG3, MAR1, RTS3, AT5G26820) |
contains conserved |
iron transport residues |
Arabidopsis thaliana; Homo sapiens; Mus musculus; Danio rerio; Xenopus laevis; bacteria |
| iron content in (ATIREG3, FPN3, IREG3, MAR1, RTS3, AT5G26820) shoots |
was reduced in |
(ATIREG3, FPN3, IREG3, MAR1, RTS3, AT5G26820) shoots |
Arabidopsis thaliana |
| Ib subgroup (bHLH, AT5G51780) genes |
are required for |
regulation of iron uptake and homeostasis |
Arabidopsis thaliana |
| (ATFER3, FER3, AT3G56090) mRNA |
abundance increases in response to |
iron treatment |
Arabidopsis thaliana |
| MIR transcripts |
are less abundant in |
Fe-sufficient WT roots and shoots |
|
| (ATYSL1, YSL1, AT4G24120) (ATYSL2, YSL2, AT5G24380) and (ATYSL3, YSL3, AT5G53550) |
mediate influx of |
Fe(II)–NA complexes |
Arabidopsis thaliana |
| chloroplasts |
are the most iron-rich organelle in plant cells and account for |
60–80% of the iron found in a leaf cell |
|
| expression of MMT1/2 |
resulted in |
reduced growth under high iron conditions |
Saccharomyces cerevisiae |
| abnormal mitochondrial morphology in iron-deficient (ATIREG3, FPN3, IREG3, MAR1, RTS3, AT5G26820) leaves |
suggests |
critical role for (ATIREG3, FPN3, IREG3, MAR1, RTS3, AT5G26820) in the mitochondria under iron deficiency |
Arabidopsis thaliana |
| (MIT1, AT2G30160) and (MIT2, AT1G07030) |
mediate |
cellular iron homeostasis |
Arabidopsis thaliana |
| iron-dependent mitochondrial ultrastructure phenotype |
strongly suggests that |
(ATIREG3, FPN3, IREG3, MAR1, RTS3, AT5G26820) function is critical for mitochondria under iron-deficient conditions |
Arabidopsis thaliana |
| nicotianamine biosynthesis pathway |
was overrepresented pathway upregulated by |
cadmium |
Noccaea caerulescens |
| milder iron deficiency response in LC roots |
could be due to |
absence of iron deficiency signal from shoot |
Noccaea caerulescens |
| (AtPMRT5, CAU1, PRMT5, SKB1, AT4G31120) mutant |
results in higher |
iron accumulation in shoots |
Arabidopsis thaliana |
| cells |
have evolved |
co-ordinated mechanisms to maintain labile Fe pool (LIP) within physiological values |
|
| nicotianamine (NA) |
has role in |
establishment of extracellular iron pool |
|
| ferritin |
is present in |
mitochondria and plastids |
|
| (ATIREG3, FPN3, IREG3, MAR1, RTS3, AT5G26820) |
is not likely to import |
iron into the mitochondria |
Saccharomyces cerevisiae |
| overall distribution of iron |
did not differ among |
genotypes |
Arabidopsis thaliana |
| mitochondrial ultrastructure phenotypes |
were not detected under |
iron-sufficient conditions |
Arabidopsis thaliana |
| iron |
undergoes |
oxidation/reduction |
|
| success of iron biofortification |
relies on |
knowledge of the cross-talks integrating unloading transport mechanisms to intracellular storage processes |
|
| down-regulation of Fe transporters in response to salinity |
indicates that IR29 may be vulnerable to |
Fe deficiency under saline conditions |
|
| ZmYS1, HvYS1, and OsYSL15 |
mediate influx of |
Fe(III)–PS complexes |
Zea mays; Hordeum vulgare; Oryza sativa |
| chlorosis in ysl1ysl3 double mutant |
can be reversed by |
application of Fe-EDDHA solution to soil |
Arabidopsis thaliana |
| disruption of (ABCB23, ATATM1, ATM1, AT4G28630) |
causes |
phenotype of cytosolic Fe deficiency |
non-plant eukaryotes |
| subcellular localization of (ATIREG3, FPN3, IREG3, MAR1, RTS3, AT5G26820) in mitochondria and chloroplasts |
and yeast results suggest |
(ATIREG3, FPN3, IREG3, MAR1, RTS3, AT5G26820) is exporting iron from these organelles |
Arabidopsis thaliana; Saccharomyces cerevisiae |
| mitochondria of iron-deficient (ATIREG3, FPN3, IREG3, MAR1, RTS3, AT5G26820) mutants |
were enlarged |
|
Arabidopsis thaliana |
| (ATIREG3, FPN3, IREG3, MAR1, RTS3, AT5G26820) mutants |
cannot grow as well as |
wild type under iron-deficient conditions |
Arabidopsis thaliana |
| ferrous iron |
is |
major substrate of FPN orthologs |
|
| transcripts of (ATFER1, FER1, AT5G01600) (ATFER3, FER3, AT3G56090) and (ATFER4, FER4, AT2G40300) |
decrease when |
iron levels are low |
Arabidopsis thaliana |
| ultrastructure of mitochondria |
has also been shown to be affected by |
iron deficiency in plants |
plants |
| chloroplasts of (ATIREG3, FPN3, IREG3, MAR1, RTS3, AT5G26820) and wild type |
showed no discernable differences |
|
Arabidopsis thaliana |
| intricate balance of mitochondrial iron trafficking |
is necessary for |
optimal iron regulation at the tissue level |
Arabidopsis thaliana |
| Fe overload stress |
is associated with |
increase in labile iron pool (LIP) |
|
| tomato chl mutant |
shows apparent iron deficiency phenotype in |
NA-free condition |
Solanum lycopersicum |
| leaves of (ATIREG3, FPN3, IREG3, MAR1, RTS3, AT5G26820) mutants |
accumulated less |
iron compared with wild type |
Arabidopsis thaliana |
| (ATFRO7, FRO7, AT5G49740) transcript levels |
were similar across |
all three genotypes |
Arabidopsis thaliana |
| (ATIREG3, FPN3, IREG3, MAR1, RTS3, AT5G26820) on mitochondrial and chloroplast metabolism and oxidative stress |
requires further studies to elucidate |
mechanisms underlying the phenotypes observed |
Arabidopsis thaliana |
| roots of both accessions |
showed upregulation of |
iron(III) reduction and iron(II) transport |
Noccaea caerulescens |
| growth of Δccc1 Δmmt1/2 expressing (ATIREG3, FPN3, IREG3, MAR1, RTS3, AT5G26820) |
was decreased under high iron conditions and approximated that of |
Δccc1 Δmmt1/2 expressing MMT1/2 |
Saccharomyces cerevisiae |
| iron export by (ATIREG3, FPN3, IREG3, MAR1, RTS3, AT5G26820) |
is necessary for |
optimal iron regulation at the tissue level |
Arabidopsis thaliana |
| iron |
participates in |
transport activities |
|
| cellular responses to iron deficiency |
is examined for advances in understanding |
iron homeostasis |
|
| (ATIREG3, FPN3, IREG3, MAR1, RTS3, AT5G26820) |
exports iron from |
mitochondria |
Saccharomyces cerevisiae |
| iron content of (ATIREG3, FPN3, IREG3, MAR1, RTS3, AT5G26820) mutant shoot |
is significantly lower than that of |
wild type under both iron-sufficient and iron-deficient conditions |
Arabidopsis thaliana |
| iron |
often limits |
plant growth |
|
| (ATFER4, FER4, AT2G40300) mRNA |
abundance increases in response to |
iron treatment |
Arabidopsis thaliana |
| (ABCB25, ATATM3, ATM3, STA1, AT5G58270) |
suppresses |
high-affinity Fe uptake associated with loss of chromosomal ScATM1 |
Saccharomyces cerevisiae |
| iron (Fe) deficiency |
triggers |
transcription factor (ATBHLH029, ATBHLH29, ATFIT1, BHLH029, FIT, FIT1, FRU, AT2G28160) and (bHLH, AT5G51780) proteins triggering expression of (ATFRO2, FRD1, FRO2, AT1G01580) and (ATIRT1, IRT1, AT4G19690) |
Arabidopsis thaliana |
| General Control Non-repressed 5 (BGT, GCN5, HAC3, HAG01, HAG1, HAT1, AT3G54610) |
mutation of results in impaired |
iron translocation from root to shoot |
Arabidopsis thaliana |
| accumulation of iron in (ATIREG3, FPN3, IREG3, MAR1, RTS3, AT5G26820) mutant chloroplasts and mitochondria |
provides strong evidence that supports |
role of (ATIREG3, FPN3, IREG3, MAR1, RTS3, AT5G26820) in exporting iron from mitochondria and chloroplast |
Arabidopsis thaliana |
| transcript levels of (ATFER1, FER1, AT5G01600) and (ATFER3, FER3, AT3G56090) |
were significantly lower in iron-sufficient shoots of fpn3 compared with |
wild type |
Arabidopsis thaliana |
| roots of both accessions |
showed upregulation of |
nicotianamine biosynthesis |
Noccaea caerulescens |
| HvID17 expression |
is strongly induced by |
iron deficiency |
Hordeum vulgare |
| (ATIREG3, FPN3, IREG3, MAR1, RTS3, AT5G26820) |
is expressed in |
Δmrs3 Δmrs4 yeast mutant |
Saccharomyces cerevisiae |
| abnormal chloroplast ultrastructure |
has been observed in mutants grown under |
iron deficiency |
multiple plant species |
| young nramp3nramp4 double mutant seedlings |
exhibited |
transient pale cotyledon phenotype |
Arabidopsis thaliana |
| allelic insertion of (TATA, AT5G28750) box in iron-regulated transporter 1 promoter |
allows |
adaptation to iron deficiency |
Malus |
| iron released from haem degradation |
induces |
iron-sequestering proteins such as ferritin |
|
| K1 line |
shows iron-starved molecular phenotype in |
iron-sufficient conditions |
Arabidopsis thaliana |
| (ATIREG3, FPN3, IREG3, MAR1, RTS3, AT5G26820) expression |
increased under |
iron deficiency |
Arabidopsis thaliana |
| inter- and intracellular distribution of Fe |
had to be established by |
organisms such as plants |
|
| Ala at the corresponding position in AtFPN1 and AtFPN2 |
is found in lieu of |
Glu or Asp |
Arabidopsis thaliana |
| split roots pre-grown under iron deficiency |
exhibited higher levels of FPN3 only when subjected to |
additional duration of iron deficiency |
Arabidopsis thaliana |
| ethylene |
is involved in the up-regulation of |
MYB DOMAIN PROTEIN 72 (ATMYB72, MYB72, AT1G56160) |
Arabidopsis thaliana |
| ethylene |
is involved in the up-regulation of |
FERRIC REDUCTASE DEFECTIVE 3 (ATFRD3, FRD3, MAN1, AT3G08040) |
Arabidopsis thaliana |
| Fe concentration in roots and shoots |
shows no difference among |
wild-type rice (WT), vector control (VC), and OsHMA3 overexpressed line (OX) |
Oryza sativa |
| Asn174 and Arg466 of HsFPN |
are highly preserved in |
(ATIREG3, FPN3, IREG3, MAR1, RTS3, AT5G26820) and other FPNs |
Homo sapiens; Arabidopsis thaliana; bacteria |
| (ATIREG3, FPN3, IREG3, MAR1, RTS3, AT5G26820) single mutants grown in alkaline soil |
phenotype was recovered when watered with |
soluble iron |
Arabidopsis thaliana |
| function of (ATIREG3, FPN3, IREG3, MAR1, RTS3, AT5G26820) |
is necessary in roots under |
iron deficiency |
Arabidopsis thaliana |
| plants supplied with both S and Fe |
maintain very low levels of |
PS release |
Hordeum vulgare |
| accumulation of FSD in white sectors |
is explained by |
lack of Reiske Fe-S protein in cytochrome b6/f |
Arabidopsis thaliana |
| Fe deficiency |
up-regulates |
Fe-related genes |
Arabidopsis thaliana |
| (ATFRD3, FRD3, MAN1, AT3G08040) (ferric reductase defective 3, ) |
is involved in |
root iron metabolism |
Arabidopsis thaliana |
| Fe requirement for proper microspore development or pollen germination |
could be met in N22 and IR64 through |
chelating and transportation mechanism across the plasma membrane |
Oryza sativa |
| ethylene |
is involved in the up-regulation of |
BASIC HELIX-LOOP-HELIX 38 (AtbHLH38) |
Arabidopsis thaliana |
| (ATIREG3, FPN3, IREG3, MAR1, RTS3, AT5G26820) |
plays a critical role in |
iron homeostasis |
Arabidopsis thaliana |
| chloroplasts |
may be better equipped with mechanisms that compensate for |
defective (ATIREG3, FPN3, IREG3, MAR1, RTS3, AT5G26820) function under iron-deficient conditions |
Arabidopsis thaliana |
| iron homeostasis |
is mediated by |
regulatory networks |
|
| iron (Fe) limitation |
invokes |
ethylene production |
|
| labile Fe pool (LIP) |
can be scavenged by |
permeant chelators |
|
| small organic molecules including organic acids, amino acids and their derivatives |
play key roles in |
iron homeostasis in plants |
|
| deregulation of iron acquisition systems in K1 line |
results in |
high sensitivity to iron starvation |
Arabidopsis thaliana |
| biological targets |
include |
effect on Fe homeostasis |
|
| higher Fe-deficiency protein expression |
is similar to |
barley roots under Fe deficiency |
Hordeum vulgare |
| exogenously applied NO |
induces |
greening in Fe-deficient maize plants |
Zea mays |
| iron deficiency |
occurs frequently |
plants |
|
| iron transport across subcellular compartments |
is crucial for |
proper iron homeostasis |
|
| elevated (ATFRO3, FRO3, AT1G23020) expression levels in (ATIREG3, FPN3, IREG3, MAR1, RTS3, AT5G26820) shoots |
are consistent with |
less cytosolic iron |
Arabidopsis thaliana |
| mitochondrial phenotype of (ATIREG3, FPN3, IREG3, MAR1, RTS3, AT5G26820) |
signifies |
importance of iron export from the mitochondria under iron-deficient conditions |
Arabidopsis thaliana |
| OsIRO2 |
is |
iron-regulated (bHLH, AT5G51780) transcription factor |
Oryza sativa |
| ethylene |
no ethylene production or ethylene-mediated effects of iron response could be detected in |
Hordeum vulgare L. (barley) |
Hordeum vulgare L. |
| lpa1-241 mutant |
contained about 50% more |
free or weakly bound iron |
Zea mays |
| mechanisms to control iron uptake, transport, and storage |
prevent |
iron deficiency |
|
| K1 line |
shows similar iron levels in roots and shoots compared to |
wild-type plants |
Arabidopsis thaliana |
| exogenous DNA methyltransferase inhibitor (5-azacytidine) treatment |
results in decreased |
Fe content in rice plants |
Oryza sativa |
| plant cells |
must regulate iron to ensure adequate supply while avoiding |
oxidative stress |
|
| iron transport in mitochondria and chloroplasts |
is not as well understood as |
mechanisms of iron acquisition in the roots |
|
| (ATFRO3, FRO3, AT1G23020) and (ATFRO8, FRO8, AT5G50160) |
are likely to play |
non-overlapping roles |
Arabidopsis thaliana |
| increased iron levels in roots |
is in apparent contradiction with finding that |
GA roots exhibited iron deficiency response |
Noccaea caerulescens |
| (ATFRD3, FRD3, MAN1, AT3G08040) |
is involved with |
Fe nutrition |
Arabidopsis thaliana |
| Fe re-supply |
restores |
Fe concentration in leaves |
Oryza sativa |
| exogenous nitric oxide (NO) |
interacts with |
iron (Fe) |
Sorghum bicolor |
| ferritin |
is |
main Fe storage protein |
|
| oldest leaf |
had similar SPAD values in +Fe- and –Fe-treated plants |
SPAD values |
Zea mays |
| K1 line |
shows decrease of |
water-extractable iron fraction |
Arabidopsis thaliana |
| functional analysis of HvYS1 homologues |
will help understand |
iron transport system in whole plants |
Hordeum vulgare |
| ZmYS1 |
expression is regulated by |
Fe status in leaf blades |
Zea mays |
| OsIRT1 |
is |
iron-regulated transporter |
Oryza sativa |
| iron (Fe)-limiting conditions |
increased |
ethylene production |
Oryza sativa |
| NA-overaccumulating line |
has similar iron levels in roots under |
iron-deficient conditions |
Arabidopsis thaliana |
| ACC treatment |
significantly increases |
soluble Fe concentration |
Oryza sativa |
| ethylene inhibitors |
has no significant effect on |
total Fe concentration |
Oryza sativa |
| exogenous GB application |
enhanced expression of |
genes for NADP-dependent ferric reductase located on plasma membrane |
Arabidopsis thaliana |
| rice roots grown under iron-depleted conditions |
show significantly increased |
ethylene production |
Oryza sativa |
| OsIRO2 RNA interference in transgenic rice |
showed that ethylene acted via OsIRO2 to induce expression of |
OsNAS1, OsNAS2, OsYSL15, and OsIRT1 |
Oryza sativa |
| AVG treatment |
further increases Fe content in WT by ~22% in |
shoot |
Arabidopsis thaliana |
| 1-aminocyclopropane-1-carboxylic acid (ACC) treatment |
increases |
internal iron (Fe) availability |
Oryza sativa |
| iron (Fe)-limiting conditions |
increased |
ethylene signalling |
Oryza sativa |
| modulation of cellular iron (Fe) status |
is important factor for |
regulation of plant physiology |
Sorghum bicolor |
| nitric oxide (NO) |
reacts with |
Fe |
|
| (ATFER1, FER1, AT5G01600) |
expression is stimulated in both WT and eto1-1 in response to |
excess Fe |
Arabidopsis thaliana |
| unicellular algae |
utilize unique mechanisms of |
iron uptake |
|
| surface-binding properties of E. siliculosus |
function as |
a sort of metal ion 'buffer' allowing iron uptake under widely varying external iron concentrations |
Ectocarpus siliculosus |
| labile Fe pool (LIP) |
is defined operationally as |
cell chelatable pool comprising both ionic forms of Fe (Fe2+ and Fe3+) associated with diverse population of ligands |
|
| extracellular NA in the apoplast |
could be |
major checkpoint to control plant iron homeostasis |
Arabidopsis thaliana |
| Fe-related genes up-regulated by ethylene |
are responsive to |
nitric oxide (NO) |
Arabidopsis thaliana |
| nitric oxide (NO) |
is involved in the up-regulation of |
FERRIC REDUCTASE DEFECTIVE 3 (ATFRD3, FRD3, MAN1, AT3G08040) |
Arabidopsis thaliana |
| ethylene-mediated iron response |
is novel in |
Strategy II plant species |
Oryza sativa |
| K1 line phenotype |
mimics |
apparent iron deficiency phenotype |
Arabidopsis thaliana |
| NO |
has effects on |
Fe homeostasis upon early stages of germination |
Sorghum bicolor |
| low level of (ATIRT1, IRT1, AT4G19690) and (ATFRO2, FRD1, FRO2, AT1G01580) activities |
prevents |
excess iron uptake |
Arabidopsis thaliana |
| ethylene inhibitors |
has no significant effect on |
soluble Fe concentration |
Oryza sativa |
| Mn deficiency |
causes down-regulation of genes involved in |
Fe acquisition |
Arabidopsis thaliana |
| NA-overaccumulating Arabidopsis line |
enabled insights into |
potential role of nicotianamine (NA) in iron homeostasis |
Arabidopsis thaliana |
| (HTB4, AT5G59910) |
controls |
(ATFRO2, FRD1, FRO2, AT1G01580) and (ATIRT1, IRT1, AT4G19690) expression |
Arabidopsis thaliana |
| regulation of iron homeostasis |
is primarily controlled at |
transcriptional level |
|
| downregulated genes in (HTB4, AT5G59910) mutant |
are involved in |
cellular response to iron ion starvation |
Arabidopsis thaliana |
| loss of function of (HTB4, AT5G59910) |
disrupts |
Fe homeostasis |
Arabidopsis thaliana |
| (HTB4, AT5G59910) |
might enhance gene expression of |
(BHLH038, bHLH38, ORG2, AT3G56970) (BHLH039, bHLH39, ORG3, AT3G56980) (BHLH100, AT2G41240) and (BHLH101, AT5G04150) |
Arabidopsis thaliana |
| (PYE, AT3G47640) and clade IVc (bHLH, AT5G51780) interaction |
negatively regulates |
(PYE, AT3G47640) expression |
Arabidopsis thaliana |
| IMA-encoded peptides |
inhibit |
activity of hemerythrin E3 ubiquitin ligases ( (BTS, EMB2454, AT3G18290) (BTSL1, AT1G74770) and (BTSL2, AT1G18910) ) |
Arabidopsis thaliana |
| iron uptake and storage mechanisms |
have been well studied in |
terrestrial/higher plants |
|
| (ASA1, BIG, CRM1, DOC1, LPR1, TIR3, UMB1, AT3G02260) homology model |
predicts |
acidic triad (E269, D370, and D462) for Fe2+-binding |
Arabidopsis thaliana |
| iron uptake and iron storage balance |
is allowed by |
interactions between regulatory proteins |
Arabidopsis thaliana |
| (HTB4, AT5G59910) mutant plants under Fe deficiency conditions |
shows decreased induction of |
(ATFRO2, FRD1, FRO2, AT1G01580) expression |
Arabidopsis thaliana |
| epigenetic regulation |
is one of the most important mechanisms to regulate |
iron homeostasis |
|
| iron uptake and storage mechanisms |
have received far less attention in |
marine algae |
|
| (UBC13, AT3G46460) |
is responsive to |
iron (Fe) regime |
Cucumis sativus; Arabidopsis thaliana |
| iron |
in excess is |
detrimental to the plant |
|
| (HTB4, AT5G59910) expression |
is induced under |
iron deficiency |
Arabidopsis thaliana |
| (BHLH100, AT2G41240) |
is suppressed in |
(HTB4, AT5G59910) mutant |
|
| Fe starvation |
induces |
(HTB4, AT5G59910) expression |
Arabidopsis thaliana |
| Col-0 plants under Fe-deficient conditions |
shows induced |
(ATFRO2, FRD1, FRO2, AT1G01580) expression |
Arabidopsis thaliana |
| accumulation of excess free Fe 2+ |
must be prevented |
plant survival |
|
| (ATFER2, FER2, AT3G11050) |
expression is stimulated in both WT and eto1-1 in response to |
excess Fe |
Arabidopsis thaliana |
| SNP (NO donor) |
partially reversed |
Fe deficiency-induced retardation of plant growth |
|
| small organic molecules including organic acids, amino acids and their derivatives |
form chelates involved in |
long distance trafficking of iron |
|
| phytosiderophore secretion into rhizosphere |
allows |
iron chelation and uptake |
|
| carbon monoxide (CO) |
plays an important signal in |
iron homeostasis |
|
| WT shoots under excess Fe |
contain ~68% more Fe than |
eto1-1 mutant shoots |
Arabidopsis thaliana |
| receptor kinase (SRF3, AT4G03390) |
coordinates |
iron homeostasis |
Arabidopsis thaliana |
| (MIA, PDR2, AT5G23630) /AtP5A |
restricts |
LOW PHOSPHATE ROOT 1 (ASA1, BIG, CRM1, DOC1, LPR1, TIR3, UMB1, AT3G02260) function |
Arabidopsis thaliana |
| (ASA1, BIG, CRM1, DOC1, LPR1, TIR3, UMB1, AT3G02260) |
exhibits optimal activity at |
pH 5.8 |
Arabidopsis thaliana |
| quasibiological metal ion buffer function of Ectocarpus siliculosus |
allows |
iron uptake under widely varying external iron concentrations |
Ectocarpus siliculosus |
| ferritin genes induction |
is significantly higher in |
eto1-1 than in WT under excess Fe |
Arabidopsis thaliana |
| (BHLH100, AT2G41240) |
is |
Fe-deficiency responsive gene |
Arabidopsis thaliana |
| plants |
apply diverse mechanisms to regulate |
expression and activity of iron homeostasis components |
|
| ethylene |
acted via |
OsIRO2 |
Oryza sativa |
| IDEF1 overexpression |
did not change |
total Fe content in rice |
Oryza sativa |
| SNP (NO donor) |
partially reversed |
Fe deficiency-induced chlorosis |
|
| (AtPHR1, PHR1, AT4G28610) |
regulates |
expression of the iron-storage protein FERRITIN 1 |
Arabidopsis thaliana |
| coccolithophores, diatoms, and unicellular green algae |
utilize unique mechanisms of |
iron uptake |
|
| (ATHO1, GUN2, HO1, HY1, HY6, TED4, AT2G26670) |
was induced by |
iron deficiency |
Arabidopsis thaliana |
| PYE-like (PYEL) proteins |
are up-regulated during |
iron deficiency |
Arabidopsis thaliana |
| bts-1 /BBG line 1-2 |
exhibits recovery of |
(ATIRT1, IRT1, AT4G19690) protein levels similar to wild-type |
Arabidopsis thaliana |
| BRUTUS and BRUTUS LIKE1 |
are upregulated in |
(ATNRAMP3, NRAMP3, AT2G23150) (ATNRAMP4, NRAMP4, AT5G67330) mutant |
Arabidopsis thaliana |
| MATE (Multidrug And Toxic-compound Extrusion) proteins |
transport |
citrate |
|
| SCF FBXL5 E3 ligase complex |
interacts with |
iron homeostasis proteins |
Homo sapiens |
| (BTS, EMB2454, AT3G18290) |
interacts with |
(bHLH105, ILR3, AT5G54680) |
Nicotiana benthamiana |
| (BTS, EMB2454, AT3G18290) |
is structurally and functionally similar to |
FBXL5 |
Arabidopsis thaliana; Homo sapiens |
| Iron (Fe) uptake, storage, redistribution, and recycling |
are highly regulated |
iron homeostasis |
|
| cross-talk between the vacuolar and plastidial seed compartments for iron store allocation |
was studied in |
various genetic backgrounds affecting iron homeostasis of both compartments |
Arabidopsis thaliana |
| (ATFER2, FER2, AT3G11050) accumulation at the late developmental stages of the fruit |
requires |
functional vacuolar iron efflux transport system in the seed |
Arabidopsis thaliana |
| mir T-DNA knockout rice mutant |
shows significantly impaired growth when grown under |
iron-deficient conditions |
Oryza sativa |
| mir plants |
accumulated more than twice the amount of iron in |
root tissue |
Oryza sativa |
| mir plants |
accumulated more iron when grown under |
iron-deficient conditions |
Oryza sativa |
| WT plants |
grown under |
Fe-sufficient conditions |
|
| high iron treatment |
represses |
(BHLH038, bHLH38, ORG2, AT3G56970) |
Arabidopsis thaliana |
| high iron treatment |
represses |
(BHLH101, AT5G04150) |
Arabidopsis thaliana |
| iron uptake from the soil |
is tightly regulated to allow |
optimal growth and development |
Arabidopsis thaliana |
| (ASA1, BIG, CRM1, DOC1, LPR1, TIR3, UMB1, AT3G02260) |
exhibits |
Michaelis-Menten kinetics for Fe2+ oxidation |
Arabidopsis thaliana |
| site-directed mutagenesis and ferroxidase assays |
confirmed |
acidic triad (E269, D370, and D462) for Fe2+-binding |
Arabidopsis thaliana; Nicotiana benthamiana |
| E3 ubiquitin ligase |
may posttranslationally control |
components of the transcriptional regulatory network involved in the iron deficiency response |
Arabidopsis thaliana |
| (BTS, EMB2454, AT3G18290) |
does not interact with |
(PYE, AT3G47640) |
Nicotiana benthamiana |
| (BTS, EMB2454, AT3G18290) and its target (bHLH, AT5G51780) transcription factors |
will elucidate |
function in plant iron homeostasis signaling network |
Arabidopsis thaliana |
| Iron-Regulated Proteins ( (IRP1, AT3G07170) (AtLa1, IRP2, La1, AT4G32720) (IRP4, MEE34, AT3G11270) (ATDRH1, DRH1, IRP6, RH14, AT3G01540) ) |
are upregulated in |
(ATNRAMP3, NRAMP3, AT2G23150) (ATNRAMP4, NRAMP4, AT5G67330) mutant |
Arabidopsis thaliana |
| (HTB4, AT5G59910) mutation-induced changes in Fe deficiency-responsive (bHLH, AT5G51780) TF expression |
resulted in |
decrease in endogenous iron (Fe) levels |
|
| (bHLH104, AT4G14410) |
positively regulates |
expression of FIT |
Arabidopsis thaliana |
| (HTB4, AT5G59910) expression |
is proposed to be under the control of |
clade Ib bHLHs |
Arabidopsis thaliana |
| genes with decreased expression in (HTB4, AT5G59910) mutant compared to wild-type plants |
include |
(FEP2, IMA2, AT1G47395) (IRONMAN 2 FE-UPTAKE-INDUCING PEPTIDE 2) |
Arabidopsis thaliana |
| (AtVTL2, VTL2, AT1G76800) and (AtVTL5, VTL5, AT3G25190) |
are proposed to participate in |
maintenance of Fe homeostasis in planta |
Arabidopsis thaliana |
| (ASA1, BIG, CRM1, DOC1, LPR1, TIR3, UMB1, AT3G02260) |
is unable to oxidize |
2,2′-azino-bis[3-ethylbenzothiazoline-6-sulfonic acid] (ABTS) |
Arabidopsis thaliana |
| reduced (ATIRT1, IRT1, AT4G19690) protein levels |
could be |
rate-limiting step for iron uptake in (BTS, EMB2454, AT3G18290) mutants |
Arabidopsis thaliana |
| elevated rhizosphere acidification, iron reductase activity, and iron uptake |
results in |
increased growth of (BTS, EMB2454, AT3G18290) mutants under low iron |
Arabidopsis thaliana |
| (BTS, EMB2454, AT3G18290) ΔHHE (BBΔHG) |
complemented bts-1 lines by restoring |
iron reductase activity |
Arabidopsis thaliana |
| ferritin protein |
levels are decreased in |
(ATNRAMP3, NRAMP3, AT2G23150) (ATNRAMP4, NRAMP4, AT5G67330) mutant |
Arabidopsis thaliana |
| Arabidopsis IRON-REGULATED TRANSPORTER1 |
encodes |
metal transporter |
Arabidopsis thaliana |
| Fe chelation by citrate and nicotianamine |
facilitates |
Fe transport |
|
| functional heterodimer of (bHLH105, ILR3, AT5G54680) and (bHLH115, AT1G51070) with (PYE, AT3G47640) |
facilitates |
iron deficiency response |
Arabidopsis thaliana |
| mitochondria |
are protected from |
iron deficiency |
Arabidopsis thaliana |
| PDR2-dependent compensatory processes |
are primed in |
low-Fe condition |
Arabidopsis thaliana |
| (ASA1, BIG, CRM1, DOC1, LPR1, TIR3, UMB1, AT3G02260) and (LPR2, AT1G71040) |
influence growth in P deprived roots through effects on |
Fe accumulation in root meristem and elongation zone |
Arabidopsis thaliana |
| (ATIRT1, IRT1, AT4G19690) |
is |
Fe-deficiency responsive gene |
Arabidopsis thaliana |
| excess Fe in the medium |
can elevate |
normal shoot Fe level |
Arabidopsis thaliana |
| wild-type Arabidopsis line |
was analyzed in |
parallel proteomic and transcriptomic study |
Arabidopsis thaliana |
| Fe supplementation |
reverses |
chlorosis in LC5 |
Oryza sativa |
| FIT |
acts as central regulator of |
Fe acquisition |
Arabidopsis |
| ethylene |
induces expression of |
OsNAS1 |
Oryza sativa |
| insensitive (ASA1, BIG, CRM1, DOC1, LPR1, TIR3, UMB1, AT3G02260) mutations |
prevent |
Fe accumulation in root tips |
Arabidopsis thaliana |
| trivalent cations (Fe3+, Al3+, and Ga3+) |
are not effective inhibitors of |
(ASA1, BIG, CRM1, DOC1, LPR1, TIR3, UMB1, AT3G02260) |
Arabidopsis thaliana |
| (ATVIT1, VIT1, AT2G01770) mutant |
does not show decrease in |
ferritin abundance |
|
| expression of (ATNRAMP3, NRAMP3, AT2G23150) or (ATNRAMP4, NRAMP4, AT5G67330) alone |
could rescue |
hypersensitivity to low-iron conditions in nramp3nramp4 double mutants |
Arabidopsis thaliana |
| (ATNRAMP3, NRAMP3, AT2G23150) |
is up-regulated under |
iron deficiency |
Arabidopsis thaliana |
| (ATOPT3, OPT3, AT4G16370) |
mediates |
long-distance signaling between shoots and roots |
Arabidopsis thaliana |
| Fe transporter (ATIRT1, IRT1, AT4G19690) downregulation |
avoids |
Fe toxicity |
Oryza sativa |
| (HTB4, AT5G59910) |
is |
Fe responsive |
Arabidopsis thaliana |
| (HTB4, AT5G59910) mutant plants under Fe deficiency conditions |
shows decreased induction of |
(ATIRT1, IRT1, AT4G19690) expression |
Arabidopsis thaliana |
| (H2B, HTB9, AT3G45980) |
does not show evident enrichment at |
TSSs of (BHLH038, bHLH38, ORG2, AT3G56970) (BHLH039, bHLH39, ORG3, AT3G56980) (BHLH100, AT2G41240) and (BHLH101, AT5G04150) genes |
Arabidopsis thaliana |
| (BTS, EMB2454, AT3G18290) |
is expressed in |
root vasculature |
Arabidopsis thaliana |
| (ATFER4, FER4, AT2G40300) |
expression is decreased in |
1-day-old and 3-day-old (ATNRAMP3, NRAMP3, AT2G23150) (ATNRAMP4, NRAMP4, AT5G67330) plants |
Arabidopsis thaliana |
| insufficient Fe in soil or growth medium |
limits |
symbiotic nitrogen fixation (SNF) |
|
| (ATIRT2, IRT2, AT4G19680) |
mediates Fe influx into |
cortical vesicles |
Arabidopsis thaliana |
| (AtTic21, CIA5, PIC1, TIC21, AT2G15290) |
mediates Fe influx to |
chloroplasts |
|
| Iron (Fe) |
must be transported into and exported from |
vacuoles |
|
| Fe deficiency |
induces expression of |
BRUTUS (BTS, EMB2454, AT3G18290) |
Arabidopsis thaliana |
| downregulated genes in (HTB4, AT5G59910) mutant |
are involved in |
response to iron ion |
Arabidopsis thaliana |
| poplar mutants |
showed significantly up-regulated |
iron deficiency response in roots |
Populus trichocarpa |
| Ib (bHLH, AT5G51780) TFs ( (BHLH038, bHLH38, ORG2, AT3G56970) (BHLH039, bHLH39, ORG3, AT3G56980) (BHLH100, AT2G41240) and (BHLH101, AT5G04150) ) |
are regulated by |
upstream IVc (bHLH, AT5G51780) TFs (bHLH034, (bHLH104, AT4G14410) (bHLH105, ILR3, AT5G54680) , and (bHLH115, AT1G51070) ) and (bHLH121, URI, AT3G19860) |
Arabidopsis thaliana |
| TSS enrichment in (BHLH038, bHLH38, ORG2, AT3G56970) (BHLH039, bHLH39, ORG3, AT3G56980) (BHLH100, AT2G41240) and (BHLH101, AT5G04150) genes |
is |
(HTB4, AT5G59910) specific |
Arabidopsis thaliana |
| loss of (ATIRT1, IRT1, AT4G19690) function |
results in |
reduced leaf iron content |
Arabidopsis thaliana |
| 17 different (bHLH, AT5G51780) proteins from six clades |
regulate |
iron homeostasis |
Arabidopsis thaliana |
| (bHLH34, IDT1, AT3G23210) (iron deficiency tolerant 1) |
positively regulates |
expression of FIT |
Arabidopsis thaliana |
| (BTS, EMB2454, AT3G18290) E3 ubiquitin ligase |
promotes ubiquitin-mediated degradation via the 26S proteasome of |
(bHLH105, ILR3, AT5G54680) and (bHLH115, AT1G51070) |
Arabidopsis thaliana |
| iron-regulated transporter (ATIRT1, IRT1, AT4G19690) |
mediates uptake of |
Fe 2+ |
|
| phosphorylated HA-FIT |
present in roots of |
Fe-sufficient and Fe-deficient plants |
|
| FIT-GFP / fit plants |
express constitutively |
FIT-GFP protein |
|
| FIT-GFP fusion |
can fully rescue |
Fe-deficient phenotype of fit plants |
|
| embryonic Fe accumulation conferred by decreased INNER NO OUTER (INO, AT1G23420) expression |
is rescued by |
(ATNRAMP1, NRAMP1, PMIT1, AT1G80830) loss-of-function mutation |
Arabidopsis thaliana |
| (CDI, AT1G64980) responsiveness to Fe deficiency |
leads to hypothesis that |
(CDI, AT1G64980) might actively modulate Fe homeostasis |
Arabidopsis thaliana |
| Pro bHLH100:bHLH104-GFP plants |
displayed |
slight tolerance to Fe deficiency |
Arabidopsis thaliana |
| TaZIPs |
heterologously expressed in fet3/fet4 Fe-uptake mutant strain were unable to rescue |
Fe-deficient phenotype |
Saccharomyces cerevisiae |
| (FEP2, IMA2, AT1G47395) (IRONMAN 2 FE-UPTAKE-INDUCING PEPTIDE 2) and (FEP1, IMA3, AT2G30766) |
encode peptides that are |
positive regulators of the iron deficiency response |
Arabidopsis thaliana |
| (bHLH121, URI, AT3G19860) (UPSTREAM REGULATOR OF (ATIRT1, IRT1, AT4G19690) ) |
positively regulates |
expression of FIT |
Arabidopsis thaliana |
| (HTB4, AT5G59910) mutation |
affected |
expression of genes encoding iron (Fe) deficiency-responsive (bHLH, AT5G51780) transcription factors (TFs) |
|