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ARF3 ARF3 BLH6 BLH6 PHYA PHYA PR1-2 PR1-2 AP3 AP3 COP1 COP1 KNAT3 KNAT3 DET1 DET1 CYP73A5 CYP73A5 ABI3 ABI3 BEL1 BEL1 GA20OX1 GA20OX1 PR1 PR1 PME5 PME5 RGL2 RGL2 ARF1-2 ARF1-2 PME68 PME68 BLH5 BLH5 SEU SEU BLH4 BLH4 RGL1 RGL1 LAX3 LAX3 LUG LUG BLH3 BLH3 BLH10 BLH10 RGL3 RGL3 GAI GAI MYB46 MYB46 BLH9 BLH9 OFP1 OFP1 BLH7 BLH7 BLH1 BLH1 BLH8 BLH8 ABI5 ABI5 RGA RGA BLH2 BLH2 YUC1 YUC1 ARF12 ARF12 PRB1 PRB1
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ARF3Auxin response factor 3; Auxin response factors (ARFs) are transcriptional factors that bind specifically to the DNA sequence 5'-TGTCTC-3' found in the auxin-responsive promoter elements (AuxREs). Could act as transcriptional activator or repressor. Formation of heterodimers with Aux/IAA proteins may alter their ability to modulate early auxin response genes expression. Involved in the establishment or elaboration of tissue patterning during gynoecial development. (608 aa)
BLH6BEL1-like homeodomain protein 6; Belongs to the TALE/BELL homeobox family. (532 aa)
PHYAPhytochrome A; Regulatory photoreceptor which exists in two forms that are reversibly interconvertible by light: the Pr form that absorbs maximally in the red region of the spectrum and the Pfr form that absorbs maximally in the far-red region. Photoconversion of Pr to Pfr induces an array of morphogenetic responses, whereas reconversion of Pfr to Pr cancels the induction of those responses. Pfr controls the expression of a number of nuclear genes including those encoding the small subunit of ribulose-bisphosphate carboxylase, chlorophyll A/B binding protein, protochlorophyllide reduct [...] (1122 aa)
PR1-2Pathogenesis-related protein 1; Partially responsible for acquired pathogen resistance. (161 aa)
AP3Floral homeotic protein APETALA 3; Probable transcription factor involved in the genetic control of flower development. Is required for normal development of petals and stamens in the wild-type flower. Forms a heterodimer with PISTILLATA that is required for autoregulation of both AP3 and PI genes. AP3/PI heterodimer interacts with APETALA1 or SEPALLATA3 to form a ternary complex that could be responsible for the regulation of the genes involved in the flower development. AP3/PI heterodimer activates the expression of NAP. AP3/PI prevents GATA22/GNL and GATA21/GNC expression. (232 aa)
COP1E3 ubiquitin-protein ligase COP1; E3 ubiquitin-protein ligase that acts as a repressor of photomorphogenesis and as an activator of etiolation in darkness. E3 ubiquitin ligases accept ubiquitin from an E2 ubiquitin-conjugating enzyme in the form of a thioester and then directly transfers the ubiquitin to targeted substrates. Represses photomorphogenesis in darkness by mediating ubiquitination and subsequent proteasomal degradation of light-induced transcription factors such as HY5, HYH and LAF1. Down-regulates MYB21, probably via ubiquitination process. Light stimuli abrogate the repre [...] (675 aa)
KNAT3Homeobox protein knotted-1-like 3; Belongs to the TALE/KNOX homeobox family. (431 aa)
DET1Light-mediated development protein DET1; Component of light signal transduction machinery. Involved in repression of photomorphogenesis in darkness by participating in the CDD complex, a complex probably required to regulate the activity of ubiquitin conjugating enzymes (E2s). Involved in repression of deetiolation in the developing seedling. Repression of photomorphogenesis is probably mediated by ubiquitination and subsequent degradation of photomorphogenesis-promoting factors such as HY5, HYH and LAF1. Involved in the repression of blue light responsive promoter in chloroplasts. May [...] (543 aa)
CYP73A5Trans-cinnamate 4-monooxygenase; Controls carbon flux to pigments essential for pollination or UV protection, to numerous pytoalexins synthesized by plants when challenged by pathogens, and to lignins. (505 aa)
ABI3B3 domain-containing transcription factor ABI3; Participates in abscisic acid-regulated gene expression during seed development. Regulates the transcription of SGR1 and SGR2 that are involved in leaf and embryo degreening. (720 aa)
BEL1Homeobox protein BEL1 homolog; Plays a major role in ovule patterning and in determination of integument identity via its interaction with MADS-box factors. Formation of complex with AG-SEP dimers negatively regulates the carpel identity process and favors the maintenance of ovule identity. BEL1-STM complex maintains the indeterminacy of the inflorescence meristem. Required, with SPL, for cytokinin-induced PIN1 expression in ovules. (611 aa)
GA20OX1Gibberellin 20 oxidase 1; Key oxidase enzyme in the biosynthesis of gibberellin that catalyzes the conversion of GA12 and GA53 to GA9 and GA20 respectively, via a three-step oxidation at C-20 of the GA skeleton. GA53 is less effectively oxidized than GA12, and GA25 is also formed as a minor product. Involved in the promotion of the floral transition, fertility and silique elongation, but plays only a minor role in elongation of seedling organs. Acts redundantly with GA20OX2. Belongs to the iron/ascorbate-dependent oxidoreductase family. GA20OX subfamily. (377 aa)
PR1Putative pathogenesis-related protein 1, 18.9K; Belongs to the CRISP family. (166 aa)
PME5Pectinesterase 5; Acts in the modification of cell walls via demethylesterification of cell wall pectin. Plays an important role in growth of pollen tubes in female floral tissues, possibly via enhancing the interaction between the pollen tube and female floral tissues by modification of the cell walls. May be regulated by MYB80 during anther development and play a role in tapetum and pollen development ; In the N-terminal section; belongs to the PMEI family. (595 aa)
RGL2DELLA protein RGL2; Probable transcriptional regulator that acts as a repressor of the gibberellin (GA) signaling pathway. No effect of the BOI proteins on its stability. Probably acts by participating in large multiprotein complexes that repress transcription of GA-inducible genes. Upon GA application, it is degraded by the proteasome, allowing the GA signaling pathway. Acts as a major GA-response repressor of seed germination, including seed thermoinhibition. Promotes the biosynthesis of abscisic acid (ABA), especially in seed coats to maintain seed dormancy. Delays flowering and adu [...] (547 aa)
ARF1-2Auxin response factor 1; Auxin response factors (ARFs) are transcriptional factors that bind specifically to the DNA sequence 5'-TGTCTC-3' found in the auxin-responsive promoter elements (AuxREs). Seems to act as transcriptional repressor. Formation of heterodimers with Aux/IAA proteins may alter their ability to modulate early auxin response genes expression. Promotes flowering, stamen development, floral organ abscission and fruit dehiscence. Acts as repressor of IAA2, IAA3 and IAA7. (665 aa)
PME68Probable pectinesterase 68; Acts in the modification of cell walls via demethylesterification of cell wall pectin. (362 aa)
BLH5BEL1-like homeodomain protein 5. (431 aa)
SEUTranscriptional corepressor SEUSS; DNA-binding adapter subunit of the SEU-LUG transcriptional corepressor of the C class floral homeotic gene AGAMOUS during the early stages of floral meristem development. Is part of the A class cadastral complex that define the boundaries between the A and C class homeotic genes expression and function. Interacts together with APETALA2 and LEUNIG to repress AGAMOUS expression. In association with LUG, regulates petal shape through AGAMOUS-independent mechanisms. Controls cell division during petal development and enable the proper patterning of petal [...] (877 aa)
BLH4BEL1-like homeodomain protein 4; Transcription factor that establishes leaf shape by repressing growth in specific subdomains of the leaf. Negatively regulates knox homeobox gene KNAT1/BP expression. (627 aa)
RGL1DELLA protein RGL1; Probable transcriptional regulator that acts as a repressor of the gibberellin (GA) signaling pathway. No effect of the BOI proteins on its stability. Probably acts by participating in large multiprotein complexes that repress transcription of GA-inducible genes. Has overlapping but distinct roles in GA signaling compared to RGA and GAI. Regulates the floral development. May also participate in seed germination and in ovule and anther development. Its activity is probably regulated by other phytohormones such as auxin and ethylene. (511 aa)
LAX3Auxin transporter-like protein 3; Carrier protein involved in proton-driven auxin influx. Mediates the formation of auxin gradient from developing leaves (site of auxin biosynthesis) to tips by contributing to the loading of auxin in vascular tissues and facilitating acropetal (base to tip) auxin transport within inner tissues of the root apex, and basipetal (tip to base) auxin transport within outer tissues of the root apex (By similarity); Belongs to the amino acid/polyamine transporter 2 family. Amino acid/auxin permease (AAAP) (TC 2.A.18.1) subfamily. (470 aa)
LUGTranscriptional corepressor LEUNIG; Transcription repressor subunit of the SEU-LUG transcriptional corepressor of the C class floral homeotic gene AGAMOUS during the early stages of floral meristem development. Is part of the A class cadastral complex that define the boundaries between the A and C class homeotic genes expression and function. Interacts together with APETALA2 and SEUSS to repress AGAMOUS expression. Also plays a role in ovule and pollen development. Implicated in embryo and floral development. Involved in post-synthesis cell wall modifications necessary for mucilage ext [...] (931 aa)
BLH3BEL1-like homeodomain protein 3; Transcription factor that is responsive of the nuclear import of SHOOT MERISTEMLESS (STM). (524 aa)
BLH10BEL1-like homeodomain protein 10; Belongs to the TALE/BELL homeobox family. (538 aa)
RGL3DELLA protein RGL3; Probable transcriptional regulator that acts as a repressor of the gibberellin (GA) signaling pathway. No effect of the BOI proteins on its stability. Probably acts by participating in large multiprotein complexes that repress transcription of GA-inducible genes. Its activity may be regulated by phytohormones such as auxin and ethylene (By similarity); Belongs to the GRAS family. DELLA subfamily. (523 aa)
GAIDELLA protein GAI; Transcriptional regulator that acts as a repressor of the gibberellin (GA) signaling pathway. Transcription coactivator of the zinc finger transcription factors GAF1/IDD2 and ENY/IDD1 in regulation of gibberellin homeostasis and signaling. No effect of the BOI proteins on its stability. Probably acts by participating in large multiprotein complexes that repress transcription of GA-inducible genes. Positively regulates XERICO expression. In contrast to RGA, it is less sensitive to GA. Its activity is probably regulated by other phytohormones such as auxin and ethylene [...] (533 aa)
MYB46Transcription factor MYB46; Transcription activator. Involved in the regulation of secondary wall biosynthesis in fibers and vessels. Transcription activator of the mannan synthase CSLA9 that recognizes and binds to the DNA consensus sequence 5'-[AG][GT]T[AT]GGT[GA]-3' cis- regulatory element of CSLA9 promoter. Transcription factor that acts as molecular switch in the NAC012/SND1-mediated transcriptional network regulating secondary wall biosynthesis. Is directly activated by NAC012/SND1. Functions redundantly with MYB83 in the transcriptional regulatory cascade leading to secondary wa [...] (280 aa)
BLH9BEL1-like homeodomain protein 9; Transcription factor that is involved in the preservation of the spiral phyllotactic arrangement leading to a regular pattern of organ initiation. Required for maintenance of stem cell fate in the shoot apical meristem, and is essential for specifying floral primordia and establishing early internode patterning events during inflorescence development. Acts as transcription repressor of AG expression in floral and inflorescence meristems. Is also responsive of the nuclear import of SHOOT MERISTEMLESS (STM). In the fruit, plays a central role in patternin [...] (575 aa)
OFP1Transcription repressor OFP1; Transcriptional repressor that regulates multiple aspects of plant growth and development through the regulation of BEL1-LIKE (BLH) and KNOX TALE (KNAT) homeodomain transcription factors. Controls the subcellular localization of the homeodomain protein BLH1. Plays a role in the regulation of cell elongation by controlling the expression of GA20OX1, a gene that encodes a key enzyme in gibberellin biosynthesis. May play a role in double-stranded DNA repair through the DNA non- homologous end joining (NHEJ) pathway along with KU70 and KU80 protein complex. Po [...] (270 aa)
BLH7BEL1-like homeodomain protein 7; Belongs to the TALE/BELL homeobox family. (482 aa)
BLH1BEL1-like homeodomain protein 1; Belongs to the TALE/BELL homeobox family. (680 aa)
BLH8BEL1-like homeodomain protein 8; Required for specifying floral primordia and establishing early internode patterning events during inflorescence development. Belongs to the TALE/BELL homeobox family. (584 aa)
ABI5Protein ABSCISIC ACID-INSENSITIVE 5; Participates in ABA-regulated gene expression during seed development and subsequent vegetative stage by acting as the major mediator of ABA repression of growth. Binds to the embryo specification element and the ABA-responsive element (ABRE) of the Dc3 gene promoter and to the ABRE of the Em1 and Em6 genes promoters. Can also trans- activate its own promoter, suggesting that it is autoregulated. Plays a role in sugar-mediated senescence. Belongs to the bZIP family. ABI5 subfamily. (442 aa)
RGADELLA protein RGA; Probable transcriptional regulator that acts as a repressor of the gibberellin (GA) signaling pathway. Probably acts by participating in large multiprotein complexes that repress transcription of GA-inducible genes. Positively regulates XERICO expression in seeds. Upon GA application, it is degraded by the proteasome, allowing the GA signaling pathway. Compared to other DELLA proteins, it is the most sensitive to GA application. No effect of the BOI proteins on its stability. Its activity is probably regulated by other phytohormones such as auxin and ethylene, attenu [...] (587 aa)
BLH2BEL1-like homeodomain protein 2; Transcription factor that establishes leaf shape by repressing growth in specific subdomains of the leaf. Negatively regulates knox homeobox gene KNAT1/BP expression. (739 aa)
YUC1Probable indole-3-pyruvate monooxygenase YUCCA1; Involved in auxin biosynthesis, but not in the tryptamine or the CYP79B2/B3 branches. Catalyzes in vitro the N-oxidation of tryptamine to form N-hydroxyl tryptamine. Involved during embryogenesis and seedling development. Required for the formation of floral organs and vascular tissues. Belongs to the set of redundant YUCCA genes probably responsible for auxin biosynthesis in shoots. (414 aa)
ARF12Auxin response factor 12; Auxin response factors (ARFs) are transcriptional factors that bind specifically to the DNA sequence 5'-TGTCTC-3' found in the auxin-responsive promoter elements (AuxREs). Could act as transcriptional activator or repressor. Formation of heterodimers with Aux/IAA proteins may alter their ability to modulate early auxin response genes expression. (593 aa)
PRB1Pathogenesis-related protein 1; Probably involved in the defense reaction of plants against pathogens. (161 aa)
Your Current Organism:
Arabidopsis thaliana
NCBI taxonomy Id: 3702
Other names: A. thaliana, Arabidopsis thaliana (L.) Heynh., mouse-ear cress, thale cress, thale-cress
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