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NAC098 | Protein CUP-SHAPED COTYLEDON 2; Transcription activator of STM and KNAT6. Involved in molecular mechanisms regulating shoot apical meristem (SAM) formation during embryogenesis and organ separation. Required for the fusion of septa of gynoecia along the length of the ovaries. Activates the shoot formation in callus in a STM-dependent manner. Controls leaf margin development and required for leaf serration. Involved in axillary meristem initiation and separation of the meristem from the main stem. Regulates the phyllotaxy throughout the plant development. Seems to act as an inhibitor of [...] (375 aa) | ||||
ATHB-14 | Homeobox-leucine zipper protein ATHB-14; Probable transcription factor involved in the determination of adaxial-abaxial polarity in ovule primordium. Specifies adaxial leaf fates; Belongs to the HD-ZIP homeobox family. Class III subfamily. (852 aa) | ||||
AS2 | Protein ASYMMETRIC LEAVES 2; Negative regulator of cell proliferation in the adaxial side of leaves. Regulates the formation of a symmetric lamina and the establishment of venation. Positively regulates LATERAL ORGAN BOUNDARIES (LOB) within the shoot apex, and the class III HD-ZIP genes REV, PHB, and PHV. Interacts directly with ASYMMETRIC LEAVES 1 (AS1) to repress the knox homeobox genes KNAT1, KNAT2, and KNAT6 and the abaxial determinants ARF3, KAN2 and YAB5. May act in parallel with the RDR6- SGS3-AGO7 pathway, an endogenous RNA silencing pathway, to regulate the leaf morphogenesis. [...] (199 aa) | ||||
YAB1 | Axial regulator YABBY 1; Involved in the abaxial cell fate determination during embryogenesis and organogenesis. Regulates the initiation of embryonic shoot apical meristem (SAM) development (Ref.3, Ref.6,. Required during flower formation and development, particularly for the patterning of floral organs. Positive regulator of class B (AP3 and PI) activity in whorls 2 and 3. Negative regulator of class B activity in whorl 1 and of SUP activity in whorl 3. Interacts with class A proteins (AP1, AP2 and LUG) to repress class C (AG) activity in whorls 1 and 2. Contributes to the repression [...] (229 aa) | ||||
ARF3 | Auxin 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) | ||||
AS1 | Transcription factor AS1; Transcription factor required for normal cell differentiation. Positively regulates LATERAL ORGAN BOUNDARIES (LOB) within the shoot apex, and the class III HD-ZIP genes REV, PHB, and PHV. Interacts directly with ASYMMETRIC LEAVES 2 (LBD6/AS2) to repress the knox homeobox genes BP/KNAT1, KNAT2, and KNAT6 and the abaxial determinants ARF3/ETT, KAN2 and YAB5. May act in parallel with the RDR6-SGS3-AGO7 pathway, an endogenous RNA silencing pathway, to regulate the leaf morphogenesis. Binds directly to KNAT1, KNAT2, and KNATM chromatin, regulating leaf development. [...] (367 aa) | ||||
TAX1 | Signaling peptide TAXIMIN 1; Signaling peptide involved in the regulation of lateral organs separation, including fruits and leaves. Involved in the perception of and response to light stress via the control of sinapoyl-malate accumulation, a UV-B protecting compound. (75 aa) | ||||
KNAT2 | Homeobox protein knotted-1-like 2; May play a role in meristem function, and may be involved in maintaining cells in an undifferentiated, meristematic state. Probably binds to the DNA sequence 5'-TGAC-3'. (310 aa) | ||||
ERF086 | Ethylene-responsive transcription factor ERF086; Probably acts as a transcriptional activator. May be involved in the regulation of gene expression by stress factors and by components of stress signal transduction pathways (By similarity). Involved in the control of cell division patterns during the early lateral root primordium development. Acts downstream of auxin signaling. Regulated by ARF7 and ARF19 in response to auxin. Co-acts with LBD16 and LBD18 to control lateral root development. Involved in the determination of floral meristem identity and suppression of bract growth. Requi [...] (348 aa) | ||||
JAG | Zinc finger protein JAGGED; Controls the morphogenesis of lateral organs. Functions in lateral organ shape and is sufficient to induce proliferation and growth of lateral organ tissue. Is necessary and sufficient for bract formation, but its expression is excluded from the cryptic bract, which could be a cause of bractless flowers in Arabidopsis. Participates with FIL and YAB3 in regulating valve margin development. Functions with JGL to define stamen and carpel shape. Functions with AS1 and AS2 in the sepal and petal primordia to repress boundary-specifying genes for normal developmen [...] (253 aa) | ||||
WOX1 | WUSCHEL-related homeobox 1; Transcription factor which may be involved in developmental processes. (350 aa) | ||||
KNAT6 | Homeobox protein knotted-1-like 6; Plays a role in meristem function. Contributes to the shoot apical meristem (SAM) maintenance and organ separation by controlling boundary establishment in embryo in a CUC1, CUC2 and STM-dependent manner. Involved in maintaining cells in an undifferentiated, meristematic state. Probably binds to the DNA sequence 5'-TGAC-3'. Belongs to the TALE/KNOX homeobox family. (327 aa) | ||||
YAB5 | Axial regulator YABBY 5; Promotes adaxial cell identity. Regulates the initiation of embryonic shoot apical meristem (SAM) development. Belongs to the YABBY family. (164 aa) | ||||
TCP4 | Transcription factor TCP4; Transcription factor playing a pivotal role in the control of morphogenesis of shoot organs by negatively regulating the expression of boundary-specific genes such as CUC genes, probably through the induction of miRNA (e.g. miR164). Required during early steps of embryogenesis. Participates in ovule develpment. Activates LOX2 expression by binding to the 5'-GGACCA-3' motif found in its promoter. (420 aa) | ||||
KAN1 | Transcription repressor KAN1; Transcriptional repressor that regulates lateral organ polarity. Promotes lateral organ abaxial identity by repressing the adaxial regulator ASYMMETRIC LEAVES2 (AS2) in abaxial cells. Required for abaxial identity in both leaves and carpels. Functions with KAN2 in the specification of polarity of the ovule outer integument. Regulates cambium activity by repressing the auxin efflux carrier PIN1. Plays a role in lateral root formation and development. (403 aa) | ||||
KAN3 | Probable transcription factor KAN3; Probable transcription factor that regulates lateral organ polarity. Plays a role in lateral root formation and development. (322 aa) | ||||
KAN2 | Probable transcription factor KAN2; Probable transcription factor that regulates lateral organ polarity. Promotes abaxial cell fate during lateral organd formation. Functions with KAN1 in the specification of polarity of the ovule outer integument. (388 aa) | ||||
RAX1 | Transcription factor RAX1; Transcription activator of genes involved in the regulation of meristematic competence, such as CUC2. Positively regulates axillary meristems (AMs) formation and development, especially at early phases of vegetative growth, probably by specifying a stem cell niche for AM formation. Modulates the negative regulation mediated by gibberellic acid on the timing of developmental phase transitions. (329 aa) | ||||
KAN4 | Probable transcription factor KAN4; Probable transcription factor that regulates carpel integuments formation. Required for the specification of polarity in the ovule inner integument. Modulates the content of flavonols and proanthocyanidin in seeds. (276 aa) | ||||
LOB | Protein LATERAL ORGAN BOUNDARIES; Not known; ectopic expression of LOB leads to alterations in the size and shape of leaves and floral organs and causes male and female sterility; Belongs to the LOB domain-containing protein family. (186 aa) | ||||
NAC054 | Protein CUP-SHAPED COTYLEDON 1; Transcription activator of STM and KNAT6. Involved in molecular mechanisms regulating shoot apical meristem (SAM) formation during embryogenesis and organ separation. Required for the fusion of septa of gynoecia along the length of the ovaries. Activates the shoot formation in callus in a STM-dependent manner. Seems to act as an inhibitor of cell division. (310 aa) | ||||
MYB117 | Transcription factor MYB117; Probable transcription factor that involved in boundary specification, meristem initiation and maintenance, and organ patterning. Functions in both lateral organ separation and axillary meristem formation, in part through genetic interaction with the NAC domain genes CUC2 and CUC3 and the homeobox gene STM. May be recruited by a variety of developmental programs for the development of floral organs and the initiation of ovule outgrowth. (359 aa) | ||||
LSH4 | Protein LIGHT-DEPENDENT SHORT HYPOCOTYLS 4; Probable transcription regulator that acts as a developmental regulator by promoting cell growth in response to light (By similarity). May suppress organ differentiation in the boundary region. Belongs to the plant homeotic and developmental regulators ALOG protein family. (195 aa) | ||||
NAC031 | Protein CUP-SHAPED COTYLEDON 3; Transcription activator. Involved in molecular mechanisms regulating shoot apical meristem (SAM) formation during embryogenesis and organ separation. Required for axillary meristem initiation and separation of the meristem from the main stem. May act as an inhibitor of cell division. (334 aa) | ||||
WOX3 | WUSCHEL-related homeobox 3; Probable transcription factor required to initiate organ founder cells in a lateral domain of shoot meristems. Involved in the lateral sepal axis-dependent development of flowers, probably by regulating the proliferation of L1 cells at the lateral region of flower primordia. Required for the formation of the margin cells of the first and second whorl organs. (244 aa) | ||||
YAB2 | Putative axial regulator YABBY 2; Involved in the abaxial cell fate determination during embryogenesis and organogenesis. (184 aa) | ||||
YAB3 | Axial regulator YABBY 3; Involved in the abaxial cell fate determination during embryogenesis and organogenesis. Regulates the initiation of embryonic shoot apical meristem (SAM) development. Contributes to the repression of KNOX genes (STM, KNAT1/BP and KNAT2) to avoid ectopic meristems. Binds DNA without sequence specificity. Belongs to the YABBY family. (240 aa) | ||||
ARF4 | Auxin response factor 4; 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. (788 aa) |