B3 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.

Protein 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.

B3 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.

Auxin response factor 6; 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 activator. Formation of heterodimers with Aux/IAA proteins may alter their ability to modulate early auxin response genes expression. Regulates both stamen and gynoecium maturation. Promotes jasmonic acid production. Partially redundant with ARF8.

B3 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.

Shaggy-related protein kinase eta; Negative regulator in brassinosteroid signal transduction pathway important for plant growth. May be also involved in auxin signaling pathway. Phosphorylates and increases the degradation of BZR1 and BZR2/BES1 by the proteasome. Phosphorylates BHLH150, beet curly top virus C4 and tomato golden mosaic virus AC4 on threonine and serine residues. Upon brassinosteroid signaling, inhibits stomatal development by phosphorylating and inhibiting the MAPKK kinase YDA and the MAPK kinases MKK4 and MKK5. Phosphorylates BSK1, BSK3, BSK5, BSK6, BSK8 AND BSK11 in v [...]

B3 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.

Auxin transporter protein 1; 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. Unloads auxin from the mature phloem to deliver the hormone to the root meristem via the protophloem cell files. Coordinated subcellular localization of AUX1 is regula [...]

B3 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.

Protein BRASSINAZOLE-RESISTANT 1; Transcriptional repressor that binds to the brassinosteroid (BR) response element (BRRE) 5'-CGTG(T/C)G-3' in gene promoter. Regulates positively the brassinosteroid-signaling pathway. Mediates downstream growth responses and negative feedback regulation of brassinosteroid biosynthesis. Promotes growth. Modulates ovule initiation and development by monitoring the expression of genes related to ovule development (e.g. HLL, ANT, and AP2).

B3 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.

Protein BRASSINAZOLE-RESISTANT 2; Positive regulator of brassinosteroid (BR) signaling. Transcription factor that activates target gene expression by binding specifically to the DNA sequence 5'-CANNTG-3'(E box) through its N- terminal domain. Can bind individually to the promoter as a homodimer or synergistically as a heterodimer with BIM1, BIM2 or BIM3. The C- terminal domain is probably involved in transcriptional activation. Recruits the transcription elongation factor IWS1 to control BR- regulated gene expression. Forms a trimeric complex with IWS1 and ASHH2/SDG8 to regulate BR-reg [...]

B3 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.

Protein ETHYLENE INSENSITIVE 3; Probable transcription factor acting as a positive regulator in the ethylene response pathway. Is required for ethylene responsiveness in adult plant tissues. Binds a primary ethylene response element present in the ETHYLENE-RESPONSE-FACTOR1 promoter with consequence to activate the transcription of this gene.

B3 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.

Gibberellin 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.

B3 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.

Transcription factor MYC2; Transcriptional activator. Common transcription factor of light, abscisic acid (ABA), and jasmonic acid (JA) signaling pathways. With MYC3 and MYC4, controls additively subsets of JA-dependent responses. In cooperation with MYB2 is involved in the regulation of ABA-inducible genes under drought stress conditions. Can form complexes with all known glucosinolate-related MYBs to regulate glucosinolate biosynthesis. Binds to the MYC recognition site (5'-CACATG-3'), and to the G-box (5'-CACNTG-3') and Z-box (5'-ATACGTGT-3') of promoters. Binds directly to the prom [...]

B3 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.

Phytochrome B; 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 [...]

B3 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.

Transcription factor PIF3; Transcription factor acting positively in the phytochrome signaling pathway. Activates transcription by binding to the G box (5'- CACGTG-3').

B3 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.

Transcription factor PIF4; Transcription factor acting negatively in the phytochrome B signaling pathway. May regulate the expression of a subset of genes involved in cell expansion by binding to the G-box motif (By similarity). Activated by CRY1 and CRY2 in response to low blue light (LBL) by direct binding at chromatin on E-box variant 5'-CA[CT]GTG-3' to stimulate specific gene expression to adapt global physiology (e.g. hypocotyl elongation in low blue light). Belongs to the bHLH protein family.

B3 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.

Auxin efflux carrier component 2; Acts as a component of the auxin efflux carrier. Seems to be involved in the root-specific auxin transport, and mediates the root gravitropism. Its particular localization suggest a role in the translocation of auxin towards the elongation zone.

B3 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.

DELLA 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 [...]

B3 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.

DELLA 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.

B3 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.

DELLA 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 [...]

B3 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.

DELLA 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.

B3 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.

Protein TRANSPORT INHIBITOR RESPONSE 1; Auxin receptor that mediates Aux/IAA proteins proteasomal degradation and auxin-regulated transcription. The SCF(TIR1) E3 ubiquitin ligase complex is involved in auxin-mediated signaling pathway that regulate root and hypocotyl growth, lateral root formation, cell elongation, and gravitropism. Appears to allow pericycle cells to overcome G2 arrest prior to lateral root development. Plays a role in ethylene signaling in roots. Confers sensitivity to the virulent bacterial pathogen P.syringae.

B3 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.

Probable 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.

Protein 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.

B3 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.