| (PIP2, prePIP2, AT4G37290) ;4 mutants |
exhibit |
longer root hairs |
Arabidopsis thaliana |
| auxin or ACC |
vastly increases |
root hair length in Atbuzz mutants and wild-type |
Arabidopsis thaliana |
| tip growth in root hairs |
is not regulated by |
components of the cell cycle |
Arabidopsis thaliana |
| GLABRA2 (GL2, AT1G79840) |
is |
suppressor of root hair outgrowth in nonhair cells (atrichoblasts) |
Arabidopsis thaliana |
| ROOT HAIR DEFECTIVE 6 (AtRHD6, RHD6, AT1G66470) -LIKE1 (ATRSL1, RSL1, AT5G37800) and -LIKE 4 |
turns on |
genes needed to build and manage a root hair |
Arabidopsis thaliana |
| TAR2-LIKE loss-of-function alleles |
exhibit shorter |
root hairs |
Brachypodium distachyon |
| bottle-like shape of triple mutant root hair |
matches |
previously reported root hair of xxt1xxt2 double mutant |
Arabidopsis thaliana |
| BUZZ mRNA and NRT1.1A mRNA overlap |
is striking at |
root hair tip |
Brachypodium distachyon |
| peroxidase (PRX35, AT3G49960) |
has root hair phenotype reported previously for |
corresponding mutant |
Arabidopsis thaliana |
| (KAI2, AT4G37470) mutations |
lead to a decrease in |
root hair length (RHL) |
|
| root hairless mutants |
have been described in |
grasses |
|
| double knockdowns of class I RSL genes |
exhibit decreased |
root hair length |
Arabidopsis thaliana |
| TuRSL4 |
exhibited |
significantly higher transcription levels in A-4x than A-2x |
Triticum urartu |
| rhd3-8 mutant |
exhibits |
short and wavy root hairs |
Arabidopsis thaliana |
| BUZZ |
is hypothesized to regulate |
new targets in root hair |
Brachypodium distachyon |
| actin-dependent outer polar nuclear migration |
occurs in |
root epidermal hair cells |
Arabidopsis thaliana |
| trajectories of nuclear movement in scn1-1 |
clearly differ from |
trajectories in wild type and spk1-5 mutant |
Arabidopsis thaliana |
| factors regulating directional movement toward the hair during outer polar nuclear migration |
little was known about |
root trichoblasts |
Arabidopsis thaliana |
| (ARP6, ATARP6, ESD1, SUF3, AT3G33520) and (OTU5, AT3G62940) double mutant mutations |
act synergistically on |
elongation of root hairs |
Arabidopsis thaliana |
| (AtMAX2, MAX2, ORE9, PPS, AT2G42620) overexpression line |
shows normal |
root hair length (RHL) and root hair density (RHD) |
Arabidopsis thaliana |
| (XXT5, AT1G74380) single mutant |
had |
shorter and thicker root hairs |
Arabidopsis thaliana |
| root hair mutants |
have laid the groundwork for |
transcriptomic and proteomic studies on whole roots and single cells |
|
| buzz mutant |
exhibits no difference in |
root hair density |
Brachypodium distachyon |
| BUZZ |
promotes |
tip growth in root hairs |
Brachypodium distachyon |
| BUZZ |
is necessary for |
root hair elongation |
Brachypodium distachyon |
| buzz defect |
inhibits |
root tip growth |
Brachypodium distachyon |
| xxt1xxt2xxt5 triple mutant |
had |
shorter and thicker root hairs |
Arabidopsis thaliana |
| root hairless mutants |
have been useful for uncovering |
function |
|
| ribosomal RNA processing and mature ribosome assembly |
might play disproportionate role in |
formation and elongation of root hairs |
Brachypodium distachyon |
| whole-genome resequencing |
pinpoints |
causal mutation to a putative cyclin-dependent kinase (CDK)-like gene |
Brachypodium distachyon |
| root hair mutants |
are identified by |
identifying root hair mutants with aberrant cell-fate determination or defective root hair growth |
|
| RSL3 |
is repressed in |
Atbuzz mutant |
Arabidopsis thaliana |
| root hair length |
is a sensitive function of |
environment |
|
| ROOT HAIR DEFECTIVE3 (GOM8, RHD3, AT3G13870) |
was initially discovered by |
genetic screen of root hair-defective mutants |
Arabidopsis thaliana |
| xxt3xxt4xxt5 triple mutant |
had root hair shape somewhat different from |
(XXT5, AT1G74380) single mutant |
Arabidopsis thaliana |
| buzz mutant |
overexpresses |
ROOT HAIRLESS LIKE SIX -2 |
Brachypodium distachyon |
| mutations of ROOT HAIR DEFECTIVE3 (GOM8, RHD3, AT3G13870) |
cause |
short and wavy root hairs |
Arabidopsis thaliana |
| root hair development |
is influenced by |
physiology |
|
| auxin and ethylene |
regulate |
root hair initiation and elongation |
Brachypodium distachyon |
| nucleus in scn1-1 mutant |
sometimes moved randomly between |
ectopically formed apical and basal hair bulges |
Arabidopsis thaliana |
| ROP recruitment to the hair initiation site |
is shifted toward the basal-most ends of cells in |
(AtCTR1, CTR1, SIS1, AT5G03730) btk and other auxin-overproducing mutants |
Arabidopsis thaliana |
| FERONIA (FER, AT3G51550) |
targets |
Rho-related GTPase of Plants2 (ARAC4, ATRAC4, ATROP2, ROP2, AT1G20090) |
Arabidopsis thaliana |
| (RSL4, AT1G27740) in Arabidopsis thaliana buzz mutant |
is not misexpressed in |
Arabidopsis thaliana buzz mutant |
Arabidopsis thaliana |
| (ATKT3, KUP4, TRH1, AT4G23640) in Arabidopsis thaliana buzz mutant |
is overexpressed in |
Arabidopsis thaliana buzz mutant |
Arabidopsis thaliana |
| root hair signaling pathway |
shows divergence between |
monocots and eudicots |
Brachypodium distachyon; Arabidopsis thaliana |
| auxin |
instructs position of |
Rho-of-Plant (ROP) GTPases |
Arabidopsis thaliana |
| Rho-of-Plant (ROP) GTPases |
remain at |
tip of growing root hair |
Arabidopsis thaliana |
| loss of (ACT7, AtACT7, AT5G09810) function |
clearly altered |
trajectories of nuclear migration |
Arabidopsis thaliana |
| root hair character |
is a sensitive function of |
environment |
|
| Arabidopsis thaliana pimilio23 (Atpum23) allele |
causes root hairs to adopt |
nonhair cell fate |
Arabidopsis thaliana |
| repression of primary nitrate response genes by AtGRXS8 overexpression |
eliminates or shortens |
root hairs |
Arabidopsis thaliana |
| GLABRA2 (GL2, AT1G79840) |
has been reported to act as |
repressor of root hair formation |
Arabidopsis thaliana |
| nuclei in act7-6 mutant |
are sometimes observed at |
extreme apical or basal end of cells |
Arabidopsis thaliana |
| (CPC, AT2G46410) and (GL2, AT1G79840) |
negatively regulate |
root hair formation |
Arabidopsis thaliana |
| nucleus and F-actin association |
occurs throughout |
nuclear migration process |
Arabidopsis thaliana |
| directionality and velocity of outer polar nuclear migration |
require |
(ACT7, AtACT7, AT5G09810) function |
Arabidopsis thaliana |
| nucleus surrounded by actin bundles in wild-type trichoblasts |
is initially located in proximity to |
inner lateral membrane |
Arabidopsis thaliana |
| increased auxin concentration in (AtCTR1, CTR1, SIS1, AT5G03730) btk mutant |
mainly affects |
velocity of nuclear movement |
Arabidopsis thaliana |
| (TOR, AT1G50030) RNAi lines |
exhibit |
root hair phenotype |
Arabidopsis thaliana |
| transcriptional down-regulation of cell wall-related genes |
is associated with |
root hair phenotype |
Arabidopsis thaliana |
| leaf-and-root (CPC, AT2G46410) overexpression lines |
show increased |
root hair numbers |
|
| nucleus-localized plant homeodomain-containing protein ALFIN-LIKE6 ( (AL6, AT2G02470) /PER2) |
is |
regulator of root hair formation during Pi starvation |
Arabidopsis thaliana |
| proteins from root hair-related group with predicted or validated PPIs |
cooperatively induce |
root hair phenotype typical of Pi-deficient plants |
Arabidopsis thaliana |
| (ATEXO70A1, EXO70A1, AT5G03540) |
is required for |
polar growth of root hairs |
Arabidopsis thaliana |
| LJRHL1-like 3 (DROP3, LRL3, AT5G58010) |
acts downstream of |
ROOT HAIR DEFECTIVE6 (AtRHD6, RHD6, AT1G66470) |
|
| fer-5 mutant |
shows altered localization of |
(ARAC4, ATRAC4, ATROP2, ROP2, AT1G20090) |
Arabidopsis thaliana |
| (OTU5, AT3G62940) mutants |
show increased formation of root hairs in H position by |
root hair formation in H position |
Arabidopsis thaliana |
| (OTU5, AT3G62940) mutants |
form markedly more root hairs in ectopic N positions than |
root hair formation in N position |
Arabidopsis thaliana |
| clusters of transcripts that tightly overlay on the root hair kinetics |
may identify |
transcripts that drive development and execute the developmental changes |
|
| ROP signaling |
contributes to |
outer polar nuclear migration |
Arabidopsis thaliana |
| ATP-competitive (TOR, AT1G50030) inhibitors |
cause |
root hair phenotype |
Arabidopsis thaliana |
| single-repeat R3 MYB factors |
play important roles in regulating |
root hair differentiation |
Arabidopsis thaliana |
| (ARP6, ATARP6, ESD1, SUF3, AT3G33520) mutants |
form significantly more root hairs than |
wild-type root hair number |
Arabidopsis thaliana |
| locations of mutations |
likely responsible for |
different phenotypes of etr1-6 and etr1-7 |
Arabidopsis thaliana |
| velocity of nuclear movement in scn1-1 |
is reduced significantly |
nuclear migration velocity |
Arabidopsis thaliana |
| velocity of nuclear movement in (AtCTR1, CTR1, SIS1, AT5G03730) btk |
is reduced significantly compared with |
velocity of nuclear movement in wild type |
Arabidopsis thaliana |
| wild-type plants grown on low-Pi medium |
show significantly increased |
number of root hairs |
Arabidopsis thaliana |
| subset of proteins from root hair-related group with decreased abundance in (OTU5, AT3G62940) |
showed predicted or validated |
protein-protein interactions (PPIs) |
Arabidopsis thaliana |
| root hairs |
develop from |
epidermal cells |
Arabidopsis thaliana |
| individual trichoblasts in (ATUBP14, DA3, PER1, TARANI, TNI, TTN6, UBP14, AT3G20630) |
were interspersed with |
atrichoblasts cell files |
Arabidopsis thaliana |
| root hair initiation |
involves both growth modes occurring |
simultaneously within same cell |
Arabidopsis thaliana |
| (AT.EIF4E1, CUM1, EIF4E, eIF4E1, AT4G18040) |
shows polar localization in |
developing root hairs |
Arabidopsis thaliana |
| (ATMYB30, MYB30, AT3G28910) and (AtEIN3, EIN3, AT3G20770) |
antagonistically regulate |
(RHS14, AT4G22080) |
Arabidopsis thaliana |
| root hairs |
form at the edge of meristem in |
(AQC1, HPS7, TPST, AT1G08030) mutant on inorganic phosphate-deficient medium at 5 days after germination |
Arabidopsis thaliana |
| (OTU5, AT3G62940) plants grown on low-Pi medium |
show constitutively higher number of root hairs further increased upon Pi starvation by |
68% |
Arabidopsis thaliana |
| ROP signaling |
has |
regulatory role during outer polar nuclear movement |
Arabidopsis thaliana |
| etr1-7 |
has higher than wild-type number of root hairs under control conditions, with smaller, additional induction by ACC than |
Col-0 |
Arabidopsis thaliana |
| FERONIA (FER, AT3G51550) knockout |
causes |
severe root hair defects |
Arabidopsis thaliana |
| peroxidases (PRX73, RHS19, AT5G67400) (PR9, PRX01, AT1G05240) (PRX44, AT4G26010) and (PRX35, AT3G49960) |
show highly enriched transcript levels in root hairs over other root tissue by |
758-, 584-, 134-, and 81-fold, respectively |
Arabidopsis thaliana |
| CAPRICE (CPC, AT2G46410) |
is involved in |
root hair development |
Arabidopsis thaliana |
| longer root hairs in (ABCB4, AtABCB4, ATPGP4, MDR4, PGP4, AT2G47000) mutants |
is attributed to |
auxin accumulation due to impaired efflux |
Arabidopsis thaliana |
| high auxin concentration in (AtCTR1, CTR1, SIS1, AT5G03730) btk mutant |
alters |
trajectory of movement toward basal-most direction |
Arabidopsis thaliana |
| (ATRHM1, RHM1, ROL1, AT1G78570) (LRX1, AT1G12040) suppressor |
was shown to recover |
root hair growth in (LRX1, AT1G12040) plants |
Arabidopsis thaliana |
| UBIQUITIN-SPECIFIC PROTEASE14 ( (ATUBP14, DA3, PER1, TARANI, TNI, TTN6, UBP14, AT3G20630) ) |
is |
regulator of root hair formation during Pi starvation |
Arabidopsis thaliana |
| polar nuclear migration |
occurs in |
root epidermal hair cells (trichoblasts) |
Arabidopsis thaliana |
| precise nuclear placement within the root hair |
contributes to |
tip growth |
Arabidopsis thaliana |
| nuclear movement inside the hair |
had been described to some extent |
root trichoblasts |
Arabidopsis thaliana |
| (ATRAPTOR1B, RAPTOR1, RAPTOR1B, AT3G08850) mutation |
led to delay in |
root hair initiation |
Arabidopsis thaliana |
| extra root hairs in (ARP6, ATARP6, ESD1, SUF3, AT3G33520) mutants |
are due chiefly to |
formation of hairs in ectopic positions |
Arabidopsis thaliana |
| incomplete insensitivity |
applies to |
root hair initiation |
Arabidopsis thaliana |
| (CPL3, ETC3, AT4G01060) protein |
controls |
root hair formation |
Arabidopsis thaliana |
| Pi deficiency |
induces |
hair fate assignment in N positions |
Arabidopsis thaliana |
| (OTU5, AT3G62940) (ARP6, ATARP6, ESD1, SUF3, AT3G33520) double mutants |
show synergistic phenotype with respect to |
root hair length |
Arabidopsis thaliana |
| plasma membrane intrinsic protein subfamily protein (PIP2, prePIP2, AT4G37290) ;4 |
has root hair phenotype reported previously for |
corresponding mutant |
Arabidopsis thaliana |
| scn1-1 mutant |
displays |
two or multiple hairs emerging from single cell |
Arabidopsis thaliana |
| (ROL5, AT2G44270) (LRX1, AT1G12040) suppressor |
was shown to recover |
root hair growth in (LRX1, AT1G12040) plants |
Arabidopsis thaliana |
| Pi-responsive genes |
play critical roles in |
root hair morphogenesis |
Arabidopsis thaliana |
| (ACT7, AtACT7, AT5G09810) function |
is required for |
polar placement of root hair along apical-basal axis |
Arabidopsis thaliana |
| FERONIA (FER, AT3G51550) |
is decreased in |
(ATRAPTOR1B, RAPTOR1, RAPTOR1B, AT3G08850) plants |
Arabidopsis thaliana |
| (OTU5, AT3G62940) (ARP6, ATARP6, ESD1, SUF3, AT3G33520) double mutants under Pi-deficient conditions |
show synergistic phenotype with respect to |
root hair density |
Arabidopsis thaliana |
| Col-0 |
observed greater than 5-fold increase in number and length of root hairs in |
after ACC treatment |
Arabidopsis thaliana |
| ROOT HAIR DEFECTIVE6 (AtRHD6, RHD6, AT1G66470) |
specifies |
position of root hair (RH) emergence |
|
| RALF1–FER pathway |
modulates translation of |
(RSL4, AT1G27740) |
Arabidopsis thaliana |
| RALF1–FER–eIF4Es |
upregulate translation of |
(AtRHD6, RHD6, AT1G66470) |
|
| knockout mutants of two root-preferred expressed basic helix-loop-helix (bHLH) transcription factors |
generated |
|
Oryza sativa |
| (LRX1, AT1G12040) (LRX2, AT1G62440) mutant |
displays |
severe defects in root hair elongation |
Arabidopsis thaliana |
| distribution of reactive oxygen species (ROS) |
strongly affects |
pattern and length of root hairs |
Arabidopsis thaliana |
| magnitude of responses |
suggest that |
(AtETR1, EIN1, ETR, ETR1, RDO3, AT1G66340) and (EIN4, AT3G04580) both play role in modulating root hair initiation and elongation in response to ACC in Arabidopsis roots |
Arabidopsis thaliana |
| plants overexpressing (CPC, AT2G46410) in roots |
have more |
root hairs |
Arabidopsis thaliana |
| (AtRHD6, RHD6, AT1G66470) in Arabidopsis thaliana buzz mutant |
is not misexpressed in |
Arabidopsis thaliana buzz mutant |
Arabidopsis thaliana |
| root hairs |
emerge from |
trichoblasts |
Arabidopsis thaliana |
| RALF1–FER–eIF4E1 module |
regulates |
spatially precise accumulation of (ARAC4, ATRAC4, ATROP2, ROP2, AT1G20090) |
Arabidopsis thaliana |
| results obtained for RSL class I genes |
consistent with |
|
Oryza sativa |
| Pi-responsive genes |
has been associated with |
root hair formation |
Arabidopsis thaliana |
| CAPRICE (CPC, AT2G46410) |
is |
positive regulator of root hair growth |
Arabidopsis thaliana |
| (OTU5, AT3G62940) and (ARP6, ATARP6, ESD1, SUF3, AT3G33520) |
act independently in |
same process |
Arabidopsis thaliana |
| (OTU5, AT3G62940) plants grown on low-Pi medium |
show constitutively higher number of root hairs further increased upon Pi starvation by |
68% increase |
Arabidopsis thaliana |
| (PR9, PRX01, AT1G05240) and (PRX35, AT3G49960) |
have been identified previously as being critical for |
proper root hair elongation |
Arabidopsis thaliana |
| (ATRBOHC, RBOHC, RHD2, AT5G51060) mutant |
is defective in |
root hair elongation |
Arabidopsis thaliana |
| growing plants at 70 μmol m⁻¹ s⁻¹ on control media |
did not affect |
root hair initiation |
|
| (AT.EIF4E1, CUM1, EIF4E, eIF4E1, AT4G18040) mutA-OE |
does not rescue |
fer-4 root hair length defect |
Arabidopsis thaliana |
| (AT.EIF4E1, CUM1, EIF4E, eIF4E1, AT4G18040) eif (iso) 4e (4e iso) mutant |
exhibited |
reduced sensitivity to (ATRALF1, RALF1, RALFL1, AT1G02900) treatment |
Arabidopsis thaliana |
| (ATRALF1, RALF1, RALFL1, AT1G02900) treatment |
does not increase eIF4E1 binding to |
(DROP3, LRL3, AT5G58010) mRNA |
Arabidopsis thaliana |
| inhibition of elongation of root hairs |
occurs early in |
root hair development |
Arabidopsis thaliana |
| (ATMYB30, MYB30, AT3G28910) |
represses transcription of |
ROOT HAIR DEFECTIVE SIX-LIKE4 (RSL4, AT1G27740) |
Arabidopsis thaliana |
| ROOT HAIR DEFECTIVE SIX-LIKE (RSL) proteins |
modulate |
battery of downstream genes |
Arabidopsis thaliana |
| (ATMYB30, MYB30, AT3G28910) and (AtEIN3, EIN3, AT3G20770) |
antagonistically regulate |
(RHS16, AT4G29180) |
Arabidopsis thaliana |
| reinforced lateral cell walls |
sustains |
long and straight root hair growth |
|
| root hair pattern in (ATUBP14, DA3, PER1, TARANI, TNI, TTN6, UBP14, AT3G20630) plants |
was less regular than |
root hair pattern in wild-type |
Arabidopsis thaliana |
| 4e/iso/4eb triple mutant |
profoundly affects |
root hair growth |
Arabidopsis thaliana |
| RALF1–FER–eIF4Es |
upregulate translation of |
(ARAC4, ATRAC4, ATROP2, ROP2, AT1G20090) |
|
| exogenous (ATRALF1, RALF1, RALFL1, AT1G02900) peptide treatment |
rescues |
ralf1-1 root hair growth defect |
Arabidopsis thaliana |
| (RSL4, AT1G27740) transcripts |
rapidly accumulate in |
hair cells before the elongation stage |
Arabidopsis thaliana |
| OsRSL2 |
generated homozygous knockout mutant (Osrsl2) that contains |
1 bp insertion |
Oryza sativa |
| trichoblasts |
combine |
diffusive expansion and polar growth |
Arabidopsis thaliana |
| FER-mediated phosphorylation of (AT.EIF4E1, CUM1, EIF4E, eIF4E1, AT4G18040) |
is important for |
eIF4E1-regulated root hair growth |
Arabidopsis thaliana |
| negative feedback on (ATRALF1, RALF1, RALFL1, AT1G02900) signaling |
stops |
root hair growth |
|
| Phospholipase Dα1-YFP |
accumulated in |
cytosol of root cells in emerging root hairs |
Arabidopsis thaliana |
| short root hair phenotype of (ATUBP14, DA3, PER1, TARANI, TNI, TTN6, UBP14, AT3G20630) mutant |
is specifically induced under |
Pi deprivation |
Arabidopsis thaliana |
| (AT.EIF4E1, CUM1, EIF4E, eIF4E1, AT4G18040) eif (iso) 4e (4e iso) mutant |
exhibits |
shorter root hairs |
Arabidopsis thaliana |
| (ATRALF1, RALF1, RALFL1, AT1G02900) treatment |
does not increase eIF4E1 binding to |
GEF1/10/14 mRNA |
Arabidopsis thaliana |
| (AT.EIF4E1, CUM1, EIF4E, eIF4E1, AT4G18040) mutD-OE line |
presents longer |
root hairs |
Arabidopsis thaliana |
| single mutant of each gene |
obtained |
|
Oryza sativa |
| ETHYLENE INSENSITIVE3 (AtEIN3, EIN3, AT3G20770) |
reduces the enrichment of |
(ATMYB30, MYB30, AT3G28910) to (RSL4, AT1G27740) promoter |
Arabidopsis thaliana |
| localized regulation of the growth machinery at the site of root hair emergence |
is needed |
during the initiation of root hairs |
|
| eIF4E1-OE |
partially rescues |
fer-4 root hair length defect |
Arabidopsis thaliana |
| (ATRALF1, RALF1, RALFL1, AT1G02900) |
promotes translation of |
(RSL4, AT1G27740) |
Arabidopsis thaliana |
| (ATMYB30, MYB30, AT3G28910) and ETHYLENE INSENSITIVE3 (AtEIN3, EIN3, AT3G20770) |
antagonistically regulate |
subset of core root hair (RH) genes |
Arabidopsis thaliana |
| root hair initiation |
involves |
formation of a cell wall bulge close to the basal end of the cell |
Arabidopsis thaliana |
| RSL4-OE |
partially rescues |
fer-4 root hair length defect |
Arabidopsis thaliana |
| (ATMYB30, MYB30, AT3G28910) and (AtEIN3, EIN3, AT3G20770) |
antagonistically regulate |
(AT103-1A, ATGSTU1, ATGSTU5, GSTU5, AT2G29450) |
Arabidopsis thaliana |
| Phospholipase Dα1-YFP |
accumulated in |
tips of growing root hairs |
Arabidopsis thaliana |
| root hairs |
have main purpose of |
invading the surrounding soil to contribute to plant nutrition and water supply |
|
| 4e/iso mutant |
affects |
tip-localized (ARAC4, ATRAC4, ATROP2, ROP2, AT1G20090) accumulation |
Arabidopsis thaliana |
| ETHYLENE INSENSITIVE3 (AtEIN3, EIN3, AT3G20770) |
antagonistically regulates expression of |
ROOT HAIR DEFECTIVE SIX-LIKE4 (RSL4, AT1G27740) |
Arabidopsis thaliana |
| (ATMYB30, MYB30, AT3G28910) |
binds the promoter region of |
(RSL4, AT1G27740) |
Arabidopsis thaliana |
| ETHYLENE INSENSITIVE3 (AtEIN3, EIN3, AT3G20770) |
reduces enrichment of MYB30 to RSL4 promoter via |
direct protein–protein interaction |
Arabidopsis thaliana |
| (ATMYB30, MYB30, AT3G28910) and ETHYLENE INSENSITIVE3 (AtEIN3, EIN3, AT3G20770) transcriptional network |
modulates |
root hair growth |
Arabidopsis thaliana |
| (ATRALF1, RALF1, RALFL1, AT1G02900) |
promotes translation of |
(SCN1, AT3G07880) |
Arabidopsis thaliana |
| (ATRALF1, RALF1, RALFL1, AT1G02900) |
shows polar localization in |
developing root hairs |
Arabidopsis thaliana |
| phosphate (Pi) starvation |
can promote |
root hair (RH) growth |
Arabidopsis thaliana |
| brassinosteroids (BRs) |
regulate |
GLABRA2 expression level and pattern |
Arabidopsis thaliana |
| RALF1–FER pathway |
promotes |
(RSL4, AT1G27740) protein synthesis |
Arabidopsis thaliana |
| RALF1–FER–eIF4Es |
upregulate translation of |
(RSL4, AT1G27740) |
|
| root hair (RH) growth |
is induced by |
diverse environmental stimuli |
Arabidopsis thaliana |
| GEF4-activated ROPs |
initiate |
emergence of root hair |
Arabidopsis thaliana |
| inhibition of elongation of root hairs in (ATUBP14, DA3, PER1, TARANI, TNI, TTN6, UBP14, AT3G20630) |
results in |
short and deformed hairs |
Arabidopsis thaliana |
| (RSL4, AT1G27740) binding to (ATRALF1, RALF1, RALFL1, AT1G02900) gene promoter |
determines |
final root hair size |
Arabidopsis thaliana |
| (ATRALF1, RALF1, RALFL1, AT1G02900) treatment |
increases eIF4E1 binding to |
(SCN1, AT3G07880) mRNA |
Arabidopsis thaliana |
| (ATRALF1, RALF1, RALFL1, AT1G02900) treatment |
increases eIF4E1 binding to |
KOJAK mRNA |
Arabidopsis thaliana |
| FER–GEF1/4/10/14 interaction |
mediates |
FER-based recruitment of (ARAC4, ATRAC4, ATROP2, ROP2, AT1G20090) |
Arabidopsis thaliana |
| phosphorylation of (AT.EIF4E1, CUM1, EIF4E, eIF4E1, AT4G18040) by RALF1-FER |
leads to increased translation of |
proteins involved in polar root hair growth |
Arabidopsis thaliana |
| (ATRALF1, RALF1, RALFL1, AT1G02900) treatment |
increases eIF4E1 binding to |
(ATEXP7, ATEXPA7, ATHEXP ALPHA 1.26, EXP7, EXPA7, AT1G12560) mRNA |
Arabidopsis thaliana |
| suppression of GLABRA2 (GL2, AT1G79840) transcription |
releases |
regulatory role of ROOT HAIR DEFECTIVE6 (AtRHD6, RHD6, AT1G66470) /RHD SIX-LIKE1 (ATRSL1, RSL1, AT5G37800) on downstream target genes |
Arabidopsis thaliana |
| RHD SIX-LIKE1 (ATRSL1, RSL1, AT5G37800) |
promote |
root hair (RH) elongation/growth |
Arabidopsis thaliana |
| eIF4E1-OE line |
presents longer |
root hairs |
Arabidopsis thaliana |
| (ARAC4, ATRAC4, ATROP2, ROP2, AT1G20090) |
functions in |
cell morphogenesis |
Arabidopsis thaliana |
| (ATMYB30, MYB30, AT3G28910) |
antagonistically regulates expression of |
core root hair genes |
Arabidopsis thaliana |
| ROOT HAIR DEFECTIVE6 (AtRHD6, RHD6, AT1G66470) |
promote |
root hair (RH) elongation/growth |
Arabidopsis thaliana |
| root hairs in (AtSFH1, COW1, SRH1, AT4G34580) mutants |
initiate at |
correct position |
Arabidopsis thaliana |
| root hairs |
emerge from |
specialized epidermis cells in plant roots, so-called trichoblasts |
|
| (ATRALF1, RALF1, RALFL1, AT1G02900) |
promotes translation of |
(ARAC4, ATRAC4, ATROP2, ROP2, AT1G20090) /6 |
Arabidopsis thaliana |
| (ATRALF1, RALF1, RALFL1, AT1G02900) treatment |
increases eIF4E1 binding to |
(RSL4, AT1G27740) mRNA |
Arabidopsis thaliana |
| Osrsl1 / Osrsl2 double mutant |
observed significantly shorter root hair length in |
compared with wild-type counterpart and two single mutants |
Oryza sativa |
| WERWOLF (ATMYB66, MYB66, WER, WER1, AT5G14750) |
is |
negative regulator of root hair development |
|
| Mn-deficiency-induced formation of root hairs |
is not due to |
secondary Fe deficiency |
Arabidopsis thaliana |
| (ATUBP14, DA3, PER1, TARANI, TNI, TTN6, UBP14, AT3G20630) mutant |
behaves similar to wild-type under |
Fe deficiency |
Arabidopsis thaliana |
| ralf1-1 mutants |
exhibit |
root hair growth defect |
Arabidopsis thaliana |
| RALF1–FER–eIF4E1-mediated pathway |
determines |
final size of root hair cells |
|
| xylan deposition |
reinforces |
lateral cell walls |
|
| Mn-deficient seedlings |
display stimulated |
root hair development |
Arabidopsis thaliana |
| light intensity |
has a promotive effect on |
root hair formation |
Arabidopsis thaliana |
| tip high [Ca2+]cyt gradient |
is required for |
polarized growth of root hairs |
|
| (ATMYB123, ATTT2, MYB123, TT2, AT5G35550) mutant |
had significantly shorter root hairs |
root hair length |
Arabidopsis thaliana |
| small 23 residues peptide of (MAP18, PCAP2, AT5G44610) |
is expressed under control of |
root hair-specific promoter |
Arabidopsis thaliana |
| (AtRHD6, RHD6, AT1G66470) mutant |
produces more root hairs after |
treatment with ethylene precursor |
Arabidopsis thaliana |
| (JAZ8, TIFY5A, AT1G30135) |
attenuates interaction between |
(AtRHD6, RHD6, AT1G66470) and (ATRSL1, RSL1, AT5G37800) |
Arabidopsis thaliana |
| (ATXIK, XI-17, XI-K, XIK, AT5G20490) knockout |
led to |
shorter root hairs |
Arabidopsis thaliana |
| Mutation of Dw2 |
alters |
cell morphology in root hairs |
Sorghum bicolor |
| PtdIns 4-OH kinase PI4-Kβ1 |
functions have been linked to |
root hair development |
Arabidopsis thaliana |
| Fe deficiency in ein2-1 mutant |
does not induce |
formation of subapical root hairs |
Arabidopsis thaliana |
| (AtSFH1, COW1, SRH1, AT4G34580) |
is required for |
proper root hair elongation |
Arabidopsis thaliana |
| root hairs |
emerge from |
outer plasma membrane |
Arabidopsis thaliana |
| root hair initiation |
was found to be coupled to |
highly localized increase of (XET, XTH33, AT1G10550) action in Arabidopsis roots |
Arabidopsis thaliana |
| MAPK signalling |
is important for |
root hair tip growth |
|
| (ARP2, ATARP2, WRM, AT3G27000) /3 complex role in root hair tip growth |
is minor and largely redundant with |
those of other actin regulatory proteins |
Arabidopsis thaliana |
| proteo-lipid membrane domain |
instructs |
root hair initiation |
Arabidopsis thaliana |
| root hair length in (ATUBP14, DA3, PER1, TARANI, TNI, TTN6, UBP14, AT3G20630) plants |
shows slight decrease under |
Mn deficiency |
Arabidopsis thaliana |
| interaction between (ATRALF1, RALF1, RALFL1, AT1G02900) and FERONIA (FER, AT3G51550) |
is required for |
development of root hairs |
Arabidopsis thaliana |
| regulatory role of ROOT HAIR DEFECTIVE6 (AtRHD6, RHD6, AT1G66470) /RHD SIX-LIKE1 (ATRSL1, RSL1, AT5G37800) on downstream target genes |
promotes |
root hair (RH) formation in hair cells |
Arabidopsis thaliana |
| (ATMYB30, MYB30, AT3G28910) |
interacts with |
ETHYLENE INSENSITIVE3 (AtEIN3, EIN3, AT3G20770) |
Arabidopsis thaliana |
| amounts of Ascorbate (ASC) and/or Glutathione (GSH) and maintenance of its redox state |
seem to be important for |
root hair growth |
|
| double mutant (ATXT1, AtXXT1, XT1, XXT1, AT3G62720) (ATXT2, AtXXT2, TXT2, XT2, XXT2, AT4G02500) |
show |
similar broadenings of their root hair bases |
Arabidopsis thaliana |
| aux1-7 mutant |
exhibits |
lower root hair density |
Arabidopsis thaliana |
| root hair development in hl mutant |
appeared to be |
normal |
Solanum lycopersicum |
| Root hair-defective (rhd) mutants |
have |
underdeveloped root hairs |
Arabidopsis thaliana |
| ein2-1 mutant |
inhibits |
root hair initiation |
Arabidopsis thaliana |
| related gene from Arabidopsis that controls root hair length |
indicates that the mechanism controlling root hair length based on bHLH transcription factors may be |
widespread through the plant kingdom |
Arabidopsis thaliana |
| WERWOLF (ATMYB66, MYB66, WER, WER1, AT5G14750) |
indirectly inhibits |
root hair specification |
|
| phosphatidylinositol 3,5-bis-phosphate (PI(3,5)P2) |
localizes in |
lateral plasma membrane |
|
| ACC treatment |
induces |
root hair initiation |
Arabidopsis thaliana |
| knock-out of (AtPRPL1, MOP10, PRPL1, AT5G05500) |
shows |
clear root hair phenotype |
Arabidopsis thaliana |
| root hairs in variant II |
resemble |
cotton fluff |
|
| P-deficient root hair phenotype |
includes formation of |
long and ectopic root hairs |
Arabidopsis thaliana |
| (ATMYC2, JAI1, JIN1, MYC2, RD22BP1, ZBF1, AT1G32640) |
acts as a negative regulator of |
formation of root hairs |
Arabidopsis thaliana |
| (ATXTH14, XTH14, XTR9, AT4G25820) treatment |
affected |
growth of initiated root hairs |
Arabidopsis thaliana |
| (CPC, AT2G46410) mutant |
can be rescued by |
growing in –P media |
Arabidopsis thaliana |
| Mn deficiency |
partly rescues |
(CPC, AT2G46410) phenotype |
Arabidopsis thaliana |
| (GOM8, RHD3, AT3G13870) |
is |
root hair defective 3 |
|
| seedlings incubated with (ATXTH26, XTH26, AT4G28850) (30 ng μl −1) |
showed root hair formation had ceased completely or had been limited to |
bulging in a few less severe cases |
Arabidopsis thaliana |
| mutant and transgenic lines with different root hair phenotypes |
provide means for |
studying the physical and physiological contributions of root hairs |
|
| 3-nitro-L-tyrosine (NO₂-Tyr) concentrations ≥1 μM |
affects |
root hair elongation |
Arabidopsis thaliana |
| mutation in the (AtbZIP, bZIP, AT1G68880) gene (HY5, TED 5, AT5G11260) |
results in increased |
length of root hairs |
Arabidopsis thaliana |
| (ATTTG1, TTG, TTG1, URM23, AT5G24520) mutant |
has root hair differences compared to |
wild type |
Arabidopsis thaliana |
| differences in epidermal cell length between Mn-deficient and control plants |
is not sufficient to account for |
differences in root hair density |
Arabidopsis thaliana |
| (PIP5K3, AT2G26420) mutant |
has |
remarkably short root hairs with normal distribution density |
Arabidopsis thaliana |
| auxin supplementation |
promotes |
RH elongation |
|
| ERULUS |
is |
RH-specific member of the CrRLK1L subfamily |
Arabidopsis thaliana |
| (CESA6, E112, IXR2, PRC1, AT5G64740) mutants |
develop |
extra root hairs |
|
| GEF3::mCit-GEF3 |
was first observed in |
transition zone of the root |
Arabidopsis thaliana |
| GEF3 overexpression |
is capable of inducing ectopic formation of |
polar, ROP-recruiting domains |
Arabidopsis thaliana |
| GLABRA2 (GL2, AT1G79840) |
inhibits expression of |
RHD6-LIKE 1 (ATRSL1, RSL1, AT5G37800) |
Arabidopsis thaliana |
| (RSL2, AT4G33880) |
functions redundantly with |
(RSL4, AT1G27740) |
|
| increase in light intensity from 50 μmol m −2 s −1 to 70 μmol m −2 s −1 |
has no effect on |
root hair elongation when plants were grown on media deprived of Mn |
Arabidopsis thaliana |
| (ATWRKY44, DSL1, TTG2, WRKY44, AT2G37260) mutant |
had significantly shorter root hairs |
root hair length |
Arabidopsis thaliana |
| At (ATRHM1, RHM1, ROL1, AT1G78570) |
is expressed in |
root hairs |
Arabidopsis thaliana |
| some genes previously shown to be involved in root hair growth |
have not been identified in |
this screen |
Marchantia polymorpha |
| M. polymorpha homologs of some genes involved in root hair growth |
likely have |
more general developmental roles than their Arabidopsis counterparts |
Marchantia polymorpha; Arabidopsis thaliana |
| gef3-1 and rop2-1 double mutant |
did not exhibit significant increase in |
phenotype strength |
Arabidopsis thaliana |
| GEF3 |
accumulated very specifically at |
root hair initiation domain (RHID) |
Arabidopsis thaliana |
| GEF3 |
is necessary for ROP polarization by recruiting via direct physical interaction |
(ARAC4, ATRAC4, ATROP2, ROP2, AT1G20090) polarization at RHID |
Arabidopsis thaliana |
| mTq2-ROP2 |
was generally present in same locations as |
mCit-GEF3 in branched root hairs |
Arabidopsis thaliana |
| ROOT HAIR DEFECTIVE6 (AtRHD6, RHD6, AT1G66470) and -LIKE 1 (ATRSL1, RSL1, AT5G37800) |
positively regulate |
root hair initiation and elongation |
Arabidopsis thaliana |
| plants lacking LRH function |
show |
significantly promoted root hair elongation |
Arabidopsis thaliana |
| Mn-starvation-induced root hairs |
are not entirely controlled by |
(GL2, AT1G79840) |
Arabidopsis thaliana |
| increase in light intensity from 50 μmol m −2 s −1 to 70 μmol m −2 s −1 |
causes marked decrease in |
root hair elongation under control conditions |
Arabidopsis thaliana |
| red light |
induces |
(CPC, AT2G46410) |
Arabidopsis thaliana |
| phosphate-responsive activator–inhibitor mechanism |
causes |
position-independent increase in root hair density |
|
| light intensity >50 μmol m−2 s−1 in presence of manganese |
substantially inhibits |
root hair elongation |
Arabidopsis thaliana |
| phosphate deficiency |
induces |
root hairs |
|
| 1-aminocyclopropane-1-carboxylic acid (ACC) |
aids |
induction of root hairs |
Lactuca sativa |
| (ATTOP6B, BIN3, HLQ, HYP6, RHL3, TOP6B, AT3G20780) mutant |
shows |
root hairless phenotype |
Arabidopsis thaliana |
| Mn deficiency |
induces |
bifurcated root hairs |
Arabidopsis thaliana |
| (ATXTH14, XTH14, XTR9, AT4G25820) and (ATXTH26, XTH26, AT4G28850) |
are very predominantly expressed in |
root hairs |
Arabidopsis thaliana |
| OsRHL1 overexpression |
causes root hairs to elongate up to three times more than |
wild-type roots |
Oryza sativa |
| reactive oxygen species (ROS) generated by NADPH oxidase |
play important roles in |
root hair development |
|
| (F3'H, F3H, TT6, AT3G51240) mutant |
had very long root hairs compared to |
wild type |
Arabidopsis thaliana |
| (PIP5K3, AT2G26420) mutant |
has |
normal distribution density |
Arabidopsis thaliana |
| OsXXT1 expression in a variety of tissues |
but phenotypic defect is only observed in |
root hair development |
Oryza sativa |
| (AtHRGP2, HRGP2, AT5G19800) transcript |
was found as low-level transcript in |
cpctry mutant |
Arabidopsis thaliana |
| localisation of Developmentally-regulated plasma membrane polypeptide (DREPP), Rho GTPase 6 (LjROP6) and Spike 1 (LjSPK1) at the root hair membrane |
suggests a role in |
regulating root hair morphogenesis rather than infection thread (IT) growth |
Lotus |
| (AtXTH12, XTH12, AT5G57530) and 13 |
are |
trichoblast-enriched |
Arabidopsis thaliana |
| (AAA1, ATKTN1, BOT1, ERH3, FRA2, FRC2, FRC4, FTR, KATANIN, KTN1, LUE1, AT1G80350) mutants |
have root hairs that form |
ectopically in non-trichoblast cells |
Arabidopsis thaliana |
| siel-3 and siel-4 roots |
have hair cells formed in |
non-hair-cell positions |
Arabidopsis thaliana |
| Movie S1 |
shows |
ERU-GFP subcellular protein localization |
Arabidopsis thaliana |
| mCit-GEF3 polarity in rop2-1/rop4-1 mutant |
was unaffected in early stages but slightly reduced in later stages |
rop2-1/rop4-1 mutant background |
Arabidopsis thaliana |
| SALK_060808C mutant |
shows unaffected |
root hair density |
Arabidopsis thaliana |
| actin cytoskeleton |
acts in common signaling pathways with |
root hair polarity control |
Arabidopsis thaliana |
| Mn deficiency signal |
overrules |
inhibition of root hair elongation by high light intensity |
|
| (ATXTH14, XTH14, XTR9, AT4G25820) |
causes |
abnormal root hair morphology |
Arabidopsis thaliana |
| expression of (XXT3, AT5G07720) |
rescued |
shorter root hair phenotype caused by lack of (XXT3, AT5G07720) |
Arabidopsis thaliana |
| short or missing root hair phenotype of AtGRXS8 overexpression lines |
resembles |
root hairless mutant buzz |
Arabidopsis thaliana; Brachypodium distachyon |
| pBUZZ::BUZZ transgene |
rescues |
root hair phenotype of buzz EMS mutant |
Brachypodium distachyon |
| LeNrt1-1 |
is expressed in |
root hairs |
Solanum lycopersicum |
| (AtMAX2, MAX2, ORE9, PPS, AT2G42620) mutations |
lead to a decrease in |
root hair density (RHD) |
|
| buzz mutant |
overexpresses |
ROOT HAIRLESS LIKE SIX -1 |
Brachypodium distachyon |
| root hairless mutants rth6 and rth2 |
harbor mutations in |
cellulose synthase (CSLD) |
Zea mays; Oryza sativa |
| BUZZ |
mediates |
tip growth pathway in root hairs |
Brachypodium distachyon |
| buzz T-DNA allele |
exhibits |
root hair phenotype |
Brachypodium distachyon |
| reduced tensile strength of cell walls |
leads to |
defect in root hair development |
Arabidopsis thaliana |
| (AtPRPL1, MOP10, PRPL1, AT5G05500) expression |
is positively correlated with |
occurrence and outgrowth of root hairs |
Arabidopsis thaliana |
| root hair positioning at basal end of root epidermal cells |
was unaffected in |
erulus (−/−) plants |
Arabidopsis thaliana |
| ROP polarization alone |
was not sufficient to trigger |
cell outgrowth |
Arabidopsis thaliana |
| rsl2-1/rsl4-1 double mutants |
are |
hairless |
Arabidopsis thaliana |
| ZINC FINGER PROTEIN 5 (ZFP5, AT1G10480) |
mediates ethylene effects on |
root hair formation |
Arabidopsis thaliana |
| P-deficient conditions |
triggers |
root hair phenotype resembling that of Mn-deficient plants |
Arabidopsis thaliana |
| ETHYLENE INSENSITIVE 2-like 1 loss-of-function alleles |
exhibit shorter |
root hairs |
Brachypodium distachyon |
| (AtNPF6.3, ATNRT1, B-1, CHL1, CHL1-1, NPF6.3, NRT1, NRT1.1, AT1G12110) in Arabidopsis thaliana |
is expressed in |
root hairs |
Arabidopsis thaliana |
| (AtPRPL1, MOP10, PRPL1, AT5G05500) protein |
is located in |
root hairs |
Arabidopsis thaliana |
| genes that encode basic helix-loop-helix (bHLH) transcription factors |
control |
root hair length |
|
| (ATMYB66, MYB66, WER, WER1, AT5G14750) |
is essential gene for |
root hair cell fate |
Arabidopsis thaliana |
| PLDζ2 and its product PA |
may modulate |
root hair density |
Arabidopsis thaliana |
| BUZZ |
acts after |
root hair has started to elongate |
Brachypodium distachyon |
| BUZZ |
drives |
root hair tip growth |
Brachypodium distachyon |
| expression of AlCPC and TuRSL4 |
could contribute to |
elongation of root hairs after tetraploidization |
Aegilops longissima; Triticum urartu |
| xxt3xxt4xxt5 triple mutant |
had root hair with |
bottle-like shape |
Arabidopsis thaliana |
| buzz defect |
specifically inhibits |
bulge-to-tip transition |
Brachypodium distachyon |
| trichoblast |
is |
hair-forming cell |
|
| qc351 roots |
initiated root hairs from |
subepidermal tissue |
Arabidopsis thaliana |
| siel-4 and (CPC, AT2G46410) double mutants |
look like |
(CPC, AT2G46410) single mutants |
Arabidopsis thaliana |
| (RHS13, SRPP, AT4G02270) |
is detected in |
Col-0 |
Arabidopsis thaliana |
| reactive oxygen species |
regulate |
RH growth and development |
Arabidopsis thaliana |
| (TT1, WIP1, AT1G34790) mutant |
was unaffected in |
root hair parameters |
Arabidopsis thaliana |
| 1-NAA application |
causes |
root hairs emerging from below and above beads |
Arabidopsis thaliana |
| root hairs |
are |
tubular protrusions of the root epidermis |
|
| AUXIN RESPONSE FACTOR 6 (ARF6, AT1G30330) |
promotes |
ROOT HAIR DEFECTIVE 6 (AtRHD6, RHD6, AT1G66470) |
Arabidopsis thaliana |
| (AGD1, VAL1, AT5G61980) and (ACT2, DER1, ENL2, FIZ2, LSR2, AT3G18780) double mutants |
exhibit |
enhanced root hair defects |
Arabidopsis thaliana |
| PI-5P |
might function in |
polar tip growth |
Arabidopsis thaliana |
| NR23 |
is well suited for examining |
physiological significance of the root hair-less condition |
Arabidopsis thaliana |
| rice short root hair2 (srh2) mutant |
provides evidence for |
importance of xyloglucan (XyG) in cell wall structure and root hair tip growth |
Oryza sativa |
| ACC treatment |
induces |
ectopic root hair formation |
Arabidopsis thaliana |
| OsRHL1 overexpression |
causes root hairs to elongate |
root hairs |
Oryza sativa |
| (AtAUX1, AUX1, MAP1, PIR1, WAV5, AT2G38120) (ATEIN2, CKR1, EIN2, ERA3, ORE2, ORE3, PIR2, AT5G03280) double mutants |
display |
three times higher number of double hairs than respective single mutants |
Arabidopsis thaliana |
| NR23 root hair-less line |
did not produce |
root hairs |
Arabidopsis thaliana |
| (CPC, AT2G46410) try mutant |
did not produce root hairs in |
maturation zone under normal conditions |
Arabidopsis thaliana |
| (CPC, AT2G46410) mutant |
has been reported to produce |
morphological phenotype similar to (CPC, AT2G46410) try |
Arabidopsis thaliana |
| (ATTOP6B, BIN3, HLQ, HYP6, RHL3, TOP6B, AT3G20780) and T-DNA insertion lines |
had |
few normal root hairs of at least 100 μm in length |
Arabidopsis thaliana |
| (ATTOP6B, BIN3, HLQ, HYP6, RHL3, TOP6B, AT3G20780) and T-DNA insertion lines |
had |
normal root hair initiation from the basal end of trichoblasts |
Arabidopsis thaliana |
| mpk6wb/lr mutant |
has significantly increased total number of |
root hairs |
Arabidopsis thaliana |
| ERULUS (CAP1, ERU, AT5G61350) |
is localized to |
apical root hair plasma membrane |
Arabidopsis thaliana |
| erulus (−/−) plants |
developed |
very short root hairs |
Arabidopsis thaliana |
| GFP signal in ERUp::GFP plants |
was first detected in |
elongating epidermal cells before root hair bulge formation |
Arabidopsis thaliana |
| shou4-3 shou4l-1 double mutant |
have very few |
root hairs |
Arabidopsis thaliana |
| rop2-1 and rop4-1 double mutant |
showed phenotype exceeding |
gef3-1 phenotypes |
Arabidopsis thaliana |
| (ATROPGEF4, GEF4, RHS11, ROPGEF4, AT2G45890) |
is involved in |
downstream activation of (ARAC4, ATRAC4, ATROP2, ROP2, AT1G20090) to trigger growth |
Arabidopsis thaliana |
| (AtRHD6, RHD6, AT1G66470) mutants |
no longer elongate |
root hairs (RHs) under low nitrogen (LN) |
|
| (RSL4, AT1G27740) (RHD6-LIKE 4) |
directly transactivates |
LRH (LONG ROOT HAIR) expression |
Arabidopsis thaliana |
| (RHD4, SAC7, AT3G51460) |
is epistatic to |
(AGD1, VAL1, AT5G61980) |
Arabidopsis thaliana |
| mCit-GEF4 and mCit-GEF12 |
exhibited lower degree of polarization than |
mCit-GEF3 and mCit-GEF14 |
Arabidopsis thaliana |
| mri-1 root hairs expressing MpMRI-YFP |
developed |
cylindrical root hairs indistinguishable from wild type |
Arabidopsis thaliana |
| (AtRHD6, RHD6, AT1G66470) (ROOT HAIR DEFECTIVE6) |
transactivates |
RHD6-LIKE 4 (RSL4, AT1G27740) |
Arabidopsis thaliana |
| advanced and enhanced accumulation of (RSL4, AT1G27740) |
leads to |
early root hair initiation and elongation |
|
| mCit-GEF3 |
appeared highly polarized at |
cell periphery of the RHID |
Arabidopsis thaliana |
| loss of GEF3 function |
causes |
reduced root hair density and delayed initiation phenotypes |
Arabidopsis thaliana |
| disruption of AUXIN RESPONSE FACTOR 6 (ARF6, AT1G30330) and AUXIN RESPONSE FACTOR 8 (ARF8, ATARF8, AT5G37020) |
prevents |
root hair (RH) elongation under low nitrogen (LN) |
|
| (RSL4, AT1G27740) translation repression |
represses |
root hair elongation |
Arabidopsis thaliana |
| (RSL2, AT4G33880) (RSL4, AT1G27740) double mutant |
shows later |
root hair initiation |
Arabidopsis thaliana |
| (RSL4, AT1G27740) translation repression |
represses |
root hair elongation |
|
| (AGD1, VAL1, AT5G61980) mutants |
have root hairs with |
two tips originating from a single initiation point |
Arabidopsis thaliana |
| (ACT2, DER1, ENL2, FIZ2, LSR2, AT3G18780) single mutants |
had |
mostly irregular root hair diameters with thicker bases and root hairs that were shorter than wild type or (AGD1, VAL1, AT5G61980) |
|
| (AGD1, VAL1, AT5G61980) mutants |
exhibit |
two tips originating from one initiation point |
Arabidopsis thaliana |
| (XEG113, AT2G35610) |
plays important role in |
polarized cell growth in root hairs |
|
| (MAP18, PCAP2, AT5G44610) |
is involved in |
root hair development |
|
| (AtRHD6, RHD6, AT1G66470) mutant |
has been reported to produce few root hairs under |
normal conditions |
Arabidopsis thaliana |
| activated SIMK |
is recruited to |
tips of growing root hairs |
|
| mutants that lack root hairs altogether |
are basis of |
studies on root hair formation and development |
|
| longitudinal reduction of epidermal cell length |
is primary mechanism that produces |
increase in root hair number |
Arabidopsis thaliana |
| overexpression of a 23 amino acid peptide in the N-terminal region of (MAP18, PCAP2, AT5G44610) (N23) |
caused by |
root hair-specific EXPANSIN A7 promoter |
|
| Arabidopsis (ATXT1, AtXXT1, XT1, XXT1, AT3G62720) (ATXT2, AtXXT2, TXT2, XT2, XXT2, AT4G02500) double mutant |
exhibits |
root hair defect |
Arabidopsis thaliana |
| elongating root hairs |
are highly active in |
cell growth |
|
| Arabidopsis thaliana |
has |
over 140 genes associated with root hair formation and development |
Arabidopsis thaliana |
| dramatically altered distribution of both ROS species in (OTU5, AT3G62940) mutants under Pi-replete conditions |
might be causative for |
long-root-hair phenotype observed for (OTU5, AT3G62940) under Pi-replete conditions |
Arabidopsis thaliana |
| overexpression of a 23 amino acid peptide in the N-terminal region of (MAP18, PCAP2, AT5G44610) (N23) |
had the effect of suppressing |
root hair elongation |
|
| suppression of phenotype caused by N23 |
was rescued by |
expression of (PIP5K3, AT2G26420) in F1 seedlings |
Arabidopsis thaliana |
| mutants with altered root hair morphology |
are basis of |
studies on root hair formation and development |
|
| (AQC1, HPS7, TPST, AT1G08030) mutant |
produces more and longer root hairs than |
wild-type on inorganic phosphate-sufficient medium |
Arabidopsis thaliana |
| root hair growth |
requires |
polar nuclear migration into the outgrowing hair |
Arabidopsis thaliana |
| loss of (AtNPC4, NPC4, AT3G03530) |
had no effect on |
root hair density |
Arabidopsis thaliana |
| qc351 roots |
developed |
more hairs |
Arabidopsis thaliana |
| AtLRL4 and AtLRL5 |
repress |
root hair elongation |
Arabidopsis thaliana |
| (CAP1, ERU, AT5G61350) |
localizes to |
Arabidopsis apical RH plasma membrane |
Arabidopsis thaliana |
| mCit-GEF4 and mCit-GEF12 polarization |
coincided with |
onset of bulge formation |
Arabidopsis thaliana |
| GEF3::mCit-GEF3 construct |
rescues phenotypes in |
gef3-1 mutant |
Arabidopsis thaliana |
| (ARAC4, ATRAC4, ATROP2, ROP2, AT1G20090) and (ARAC5, ATGP3, ATROP4, ROP4, AT1G75840) presence |
is not needed for |
GEF3 polarization |
Arabidopsis thaliana |
| GEF3 |
is decisive for |
early formation of RHID and (ARAC4, ATRAC4, ATROP2, ROP2, AT1G20090) recruitment |
Arabidopsis thaliana |
| (AGD1, VAL1, AT5G61980) |
links |
phosphoinositide signaling and cytoskeletal regulation |
Arabidopsis thaliana |
| (ATRBOHC, RBOHC, RHD2, AT5G51060) |
is |
root hair-specific gene |
|
| (CPC, AT2G46410) try mutant |
produced root hairs in |
shoot–root transit region |
Arabidopsis thaliana |
| quantitative up-regulation of V-ATPase |
is essential for |
adaptation of roots and root hair formation to Pi deficiency |
Arabidopsis thaliana |
| overexpression of SIMK in tobacco |
induced |
rapid growth of these cells |
Nicotiana tabacum |
| Arabidopsis class XI myosin mutants |
exhibit detectable phenotypes |
shorter root hairs under normal growth conditions |
Arabidopsis thaliana |
| (ACS5, ATACS5, CIN5, ETO2, AT5G65800) mutant |
induces |
root hair initiation |
Arabidopsis thaliana |
| root hair formation |
is dependent upon |
synthesis and rearrangement of cell wall components |
Arabidopsis thaliana |
| ROP family members |
drive |
cell elongation in a pH-dependent and ROS-mediated process |
Arabidopsis thaliana |
| formation of extra hairs in H positions |
occurs by |
decreasing the longitudinal length of root epidermal cells |
Arabidopsis thaliana |
| ein2-5 and etr1-3 |
formed fewer, shorter root hairs in presence of ACC than |
Col-0 |
Arabidopsis thaliana |
| alternating cell file fate pattern |
has been decided, after which hair formation is considered to have |
two developmental phases – initiation and tip growth |
Arabidopsis thaliana |
| GFP-VPS26C fusion expressed under 35S promoter in wild-type background |
does not cause |
root hair growth aberrations |
Arabidopsis thaliana |
| (ATVPS29, MAG1, VPS29, AT3G47810) mutants |
exhibit altered |
root hair growth |
Arabidopsis thaliana |
| large retromer complex |
functions in pathway important for |
root hair growth |
Arabidopsis thaliana |
| intensity of PCaP2–GFP plasma membrane localization |
was lower in the apical region than in the shank during |
root hair elongation |
|
| length of root hairs |
is flexible being altered based on |
underground conditions and plant growth status |
|
| (MAP18, PCAP2, AT5G44610) |
might attenuate rate of |
root hair elongation under conditions that do not require strong root hair function |
|
| Failure to form organized and dynamic CW matrix |
results in mutants with |
aberrant RH morphology |
|
| 35S::ERU overexpression |
did not alter |
root hair profile |
Arabidopsis thaliana |
| polyphenon 60 supplementation |
rescued |
erulus root hair length up to 80% that of wild-type root hairs |
Arabidopsis thaliana |
| PI(4,5)P2 |
is formed at |
emerging apex |
Arabidopsis thaliana |
| mCit-GEF3 localization at rootward cell pole |
vanished as |
mCit-GEF3 enrichment at RHID |
Arabidopsis thaliana |
| (ATRSL1, RSL1, AT5G37800) (RHD6-LIKE 1) |
transactivates |
RHD6-LIKE 4 (RSL4, AT1G27740) |
Arabidopsis thaliana |
| (AGD1, VAL1, AT5G61980) |
functions in |
most stages of root hair development |
Arabidopsis thaliana |
| assessment of the spatial distribution of PIs |
is important to combine with |
mutant studies of PI metabolism and (AGD1, VAL1, AT5G61980) |
Arabidopsis thaliana |
| nucleus in wild-type trichoblasts |
started to migrate toward |
outer lateral membrane and moved into hair |
Arabidopsis thaliana |
| disruption of (LRX1, AT1G12040) |
results in |
severe defects in root hair elongation |
Arabidopsis thaliana |
| cell elongation |
involves |
polar nuclear position at the inner epidermal plasma membrane domain |
Arabidopsis thaliana |
| ROP proteins |
accumulate at |
hair initiation site and tip of growing hair |
Arabidopsis thaliana |
| nucleus in spk1-5 mutant |
paused at inner lateral membrane for longer time periods than |
nucleus in wild type |
Arabidopsis thaliana |
| trajectories of nuclear movement in (AtCTR1, CTR1, SIS1, AT5G03730) btk |
differ from |
trajectories in wild type |
Arabidopsis thaliana |
| altered distribution of reactive oxygen species along the root |
may be causative for |
alterations in root hair morphogenesis |
Arabidopsis thaliana |
| restricted longitudinal elongation of epidermal cells |
increases |
number of root hairs per unit of root length in permissive positions |
Arabidopsis thaliana |
| etr1-3 |
showed 2-fold increase in number of root hairs after ACC treatment and these root hairs were |
shorter than those in Col-0 |
Arabidopsis thaliana |
| EXPANSION-RELATED UNKNOWN (CAP1, ERU, AT5G61350) |
localizes to |
tip plasma membrane in growing root hairs |
Arabidopsis thaliana |
| differential effects of GEF3 and (ATROPGEF4, GEF4, RHS11, ROPGEF4, AT2G45890) overexpression |
resemble |
differential timing of polar localization |
Arabidopsis thaliana |
| (CKRC1, SAV3, TAA1, TIR2, WEI8, AT1G70560) mutants |
show disrupted |
root hair (RH) elongation under low nitrogen (LN) |
|
| LRH-RSL4 feedback regulatory loop |
reveals mechanism underlying |
determinate growth of root hairs |
Arabidopsis thaliana |
| (RHD4, SAC7, AT3G51460) mutant |
is epistatic to |
(AGD1, VAL1, AT5G61980) mutant |
Arabidopsis thaliana |
| (AGD1, VAL1, AT5G61980) restriction of tip growth components distribution |
maintains |
default, straight growth behavior of root hairs |
Arabidopsis thaliana |
| targeted delivery of secretory vesicles to the extreme apex |
sustains |
tip growth |
Arabidopsis thaliana |
| auxin |
controls |
root hair (RH) expansion |
|
| GEF3 function |
is required for |
(ARAC4, ATRAC4, ATROP2, ROP2, AT1G20090) recruitment to RHID |
Arabidopsis thaliana |
| LRH-RSL4 feedback regulatory loop |
may fine-tune |
root hair cell size |
|
| (ARAC4, ATRAC4, ATROP2, ROP2, AT1G20090) signaling |
regulates during |
root hair tip growth |
Arabidopsis thaliana |
| root hair length in mpk6wb/lr mutant |
is increased in |
two different zones of primary root |
Arabidopsis thaliana |
| 35S::AtPRPL1 overexpression lines |
causes significant increase in |
root hair length |
Arabidopsis thaliana |
| basic helix-loop-helix family of transcription factors |
have been identified to regulate |
root hair length |
Arabidopsis thaliana; Oryza sativa |
| loss-of-function alba mutants in A. thaliana |
develop |
shorter root hairs than wild-type |
Arabidopsis thaliana |
| root hair profiles |
were constructed to investigate |
stage of root hair development at which ERULUS is involved |
Arabidopsis thaliana |
| ARPC2 |
polarizes during |
tip growth phase |
Arabidopsis thaliana |
| GEF3 |
is capable of recruiting through physical interaction |
(ARAC4, ATRAC4, ATROP2, ROP2, AT1G20090) |
Arabidopsis thaliana |
| strong (ATEIN2, CKR1, EIN2, ERA3, ORE2, ORE3, PIR2, AT5G03280) loss-of-function alleles |
display |
double hair formation at higher frequency than wild-type |
Arabidopsis thaliana |
| (DSP3, SIEL, SIEL1, AT3G08800) interaction with CAPRICE (CPC, AT2G46410) |
is consistent with |
root hair patterning defects in the (DSP3, SIEL, SIEL1, AT3G08800) mutants |
Arabidopsis thaliana |
| antagonistic regulatory element |
controls |
root hair development |
Arabidopsis thaliana |
| gef3 mutant alleles |
show delayed |
root hair initiation |
Arabidopsis thaliana |
| auxin |
can simulate |
root hair (RH) elongation through RHD6-dependent and -independent pathways |
|
| Arabidopsis root hair development |
involves |
intersecting signaling pathways |
Arabidopsis thaliana |
| (AGD1, VAL1, AT5G61980) |
regulates |
root hair development |
Arabidopsis thaliana |
| cap1-1 mutants |
display |
stunted and aberrant root hair |
Arabidopsis thaliana |
| (ARAC3, ATROP6, RAC3, RHO1PS, ROP6, AT4G35020) CA21mS mutant |
had average root hair length of |
310 μm |
Arabidopsis thaliana |
| ERUp :: ERU-GFP reporter |
rescued |
(CAP1, ERU, AT5G61350) (−/−) root hair growth defect |
Arabidopsis thaliana |
| functional redundancy between (ARAC4, ATRAC4, ATROP2, ROP2, AT1G20090) and (ARAC5, ATGP3, ATROP4, ROP4, AT1G75840) |
is demonstrated by |
single mutant lack of phenotype |
Arabidopsis thaliana |
| mCit-GEF3ox in hypocotyl cells |
did not lead to |
bulge formation |
Arabidopsis thaliana |
| (RSL4, AT1G27740) (RHD6-LIKE 4) |
is |
master regulator of root hair growth |
Arabidopsis thaliana |
| (EMB3022, ZP1, AT4G17810) |
represses |
(RSL4, AT1G27740) transcription |
Arabidopsis thaliana |
| (RSL2, AT4G33880) |
has a minor role in |
root hair regulation |
|
| pro At LRL1: At LRL4 or pro At LRL3: At LRL4 in At lrl1-2 At lrl3-1 double mutants |
did not restore |
root hair elongation |
Arabidopsis thaliana |
| (CESA6, E112, IXR2, PRC1, AT5G64740) mutants |
display |
bulging trichoblasts |
|
| deletion of the gene encoding prolyl 4-hydroxylases |
results in |
blocked root hair elongation |
Arabidopsis thaliana |
| oscillatory voltage |
suggests a role in |
growth control |
Arabidopsis thaliana |
| root hair-specific genes |
are necessary for |
normal root hair formation |
Arabidopsis thaliana |
| card1-1 mutant |
exhibits |
more root hairs |
Arabidopsis thaliana |
| VPS26C-retromer function |
may be coordinated with |
other cellular mechanisms required for root hair growth |
Arabidopsis thaliana |
| (ATWRKY75, WRKY75, AT5G13080) suppression by RNAi |
increases |
root hair number |
Arabidopsis thaliana |
| RNA necessary for root hair elongation |
may be plentifully produced once |
differentiation and initiation of root hair has been committed |
|
| Arabidopsis overexpression lines |
exhibited |
shortened root hairs |
Arabidopsis thaliana |
| root hair-defective (rhd) 7-1 mutant |
affects |
C-terminal end of (ATCSLD3, CSLD3, KJK, RHD7, AT3G03050) protein |
Arabidopsis thaliana |
| PLDζ2 |
negatively modulates |
root hair length |
Arabidopsis thaliana |
| (AtNPC4, NPC4, AT3G03530) |
promotes |
root hair elongation |
Arabidopsis thaliana |
| red light |
induces |
genes involved in root hair differentiation and elongation |
Arabidopsis thaliana |
| pro At LRL3: Mp LRL; At lrl1-2 At lrl3-1 |
only partial restoration of |
root hair growth |
Arabidopsis thaliana |
| RSL4-mediated LRH expression |
maintains |
proper LRH gradient in trichoblasts |
Arabidopsis thaliana |
| LRH-RSL4 feedback regulatory loop |
is |
indispensable mechanism fine-tuning root hair cell growth |
Arabidopsis thaliana |
| (ZFP5, AT1G10480) mutants |
leads to reduction in |
root hair number |
Arabidopsis thaliana |
| (AtNPC4, NPC4, AT3G03530) mutant |
displays decreased |
root hair length |
Arabidopsis thaliana |
| (ATVTI13, VTI13, AT3G29100) |
is essential for |
root hair growth |
Arabidopsis thaliana |
| average root hair elongation rate of the pcap2pip5k3-2 double mutant |
is intermediate between |
wild type and pip5k3-2 |
|
| average apical propidium iodide signal intensity in erulus root hairs |
never reached |
wild-type levels even after maturation |
Arabidopsis thaliana |
| specification of epidermal cell fate |
is initiated by |
positional signals from the underlying cortical structures |
Arabidopsis thaliana |
| auxin produced in root apex directed shootward to differentiation zone |
promote |
root hair (RH) formation |
|
| (AGD1, VAL1, AT5G61980) |
links |
ROP2-mediated root hair development |
Arabidopsis thaliana |
| (MAP18, PCAP2, AT5G44610) mutant |
partly suppresses |
low average root hair elongation rate phenotype of pip5k3-2 |
|
| At (DROP3, LRL3, AT5G58010) overexpression |
develop longer |
root hairs |
Arabidopsis thaliana |
| root hair growth |
is regulated by |
auxin |
|
| mCit-GEF3 overexpression in hypocotyl cells |
resulted in ectopic domains resembling |
root hair initiation domain (RHID) |
Arabidopsis thaliana |
| (AGD1, VAL1, AT5G61980) (RHD4, SAC7, AT3G51460) double mutants |
were similar to |
(RHD4, SAC7, AT3G51460) in regard to overall root hair morphology and length |
|
| (ACT2, DER1, ENL2, FIZ2, LSR2, AT3G18780) single mutants |
were reported to have |
root hair morphological abnormalities such as irregular diameters and swollen bases |
|
| effect found in NR23 |
is considered to be restricted to |
production of root hair cells |
Arabidopsis thaliana |
| short root hair phenotype in rice OsXXT1 mutant |
is similar to |
Arabidopsis (ATXT1, AtXXT1, XT1, XXT1, AT3G62720) (ATXT2, AtXXT2, TXT2, XT2, XXT2, AT4G02500) double mutants |
Oryza sativa; Arabidopsis thaliana |
| active form of (XET, XTH33, AT1G10550) |
is possibly involved in |
restructuring of xyloglucan (XyG) to regulate root hair development |
|
| (ATMAPK6, ATMPK6, MAPK6, MPK6, AT2G43790) |
is |
negative regulator of RH development |
Arabidopsis thaliana |
| GLABRA2 (GL2, AT1G79840) |
represses |
initiation of root hair formation |
Arabidopsis thaliana |
| root hair initiation |
commences in |
trichoblasts |
Arabidopsis thaliana |
| low Fe availability |
increases abundance of |
root hairs |
Arabidopsis thaliana |
| (AT.EIF4E1, CUM1, EIF4E, eIF4E1, AT4G18040) mutD-OE |
partially rescues |
fer-4 root hair length defect |
Arabidopsis thaliana |
| transcriptional profiling studies with (ATRBOHC, RBOHC, RHD2, AT5G51060) mutant |
revealed |
605 genes with possible functions in polar growth of root epidermal cells |
Arabidopsis thaliana |
| less regular root hair pattern in (ATUBP14, DA3, PER1, TARANI, TNI, TTN6, UBP14, AT3G20630) plants |
leads to reduced effect of |
position-dependent formation of root hairs |
Arabidopsis thaliana |
| fer-4 mutant |
shows altered localization of |
(ARAC4, ATRAC4, ATROP2, ROP2, AT1G20090) |
Arabidopsis thaliana |
| (ATMYB30, MYB30, AT3G28910) |
antagonistically regulates expression of |
ROOT HAIR DEFECTIVE SIX-LIKE4 (RSL4, AT1G27740) |
Arabidopsis thaliana |
| ROOT HAIR DEFECTIVE6 (AtRHD6, RHD6, AT1G66470) |
promote |
root hair (RH) initiation |
Arabidopsis thaliana |
| ETHYLENE INSENSITIVE3 (AtEIN3, EIN3, AT3G20770) -ROOT HAIR DEFECTIVE6 (AtRHD6, RHD6, AT1G66470) module |
selectively regulates |
other core downstream targets |
Arabidopsis thaliana |
| At (ATCSLD3, CSLD3, KJK, RHD7, AT3G03050) |
is expressed in |
root hairs |
Arabidopsis thaliana |
| bulge formation |
occurred normally in |
erulus plants |
Arabidopsis thaliana |