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Details on Person UniProt:Q0JIC2 GAMYB
| Class:Id | ReferenceGeneProduct:8986721 |
|---|---|
| _displayName | UniProt:Q0JIC2 GAMYB |
| _timestamp | 2025-08-15 22:17:11 |
| chain | chain:1-553 |
| checksum | 5E58638ED0D713E9 |
| comment | FUNCTION Transcriptional activator of gibberellin-dependent alpha-amylase expression in aleurone cells. Involved in pollen and floral organs development. May bind to the 5'-TAACAAA-3' box of alpha-amylase promoter. Required for anther development (PubMed:19454733, PubMed:20590996). Functions in parallel with UDT1 to regulate early anther development. Functions upstream of the transcription factor TDR and may positively regulate its transcription (PubMed:20590996). Required for pollen development. Probably required for controlling tapetal cell size and promoting tapetal programmed cell death (PCD) during anther development. Required for exine and Ubisch body formation in anthers. Interacts with the DNA specific motifs of giberrellin-up-regulated genes of anthers and regulates their expression. Positively regulates the expression of the laurate hydroxylase CYP703A3, known to be essential for the development of pollen exine and anther epicuticular layer (PubMed:19454733). Functions with MYBS1 to integrate diverse nutrient starvation and gibberellin (GA) signaling pathways during germination of grains. Sugar, nitrogen and phosphate starvation signals converge and interconnect with GA to promote the co-nuclear import of GAMYB and MYBS1, resulting in the expression of a large set of GA-inducible hydrolases, transporters and regulators that are essential for mobilization of nutrient reserves in the endosperm to support seedling growth (PubMed:22773748).SUBUNIT Interacts with MYBS1.SUBCELLULAR LOCATION Expressed in aleurone cells, inflorescence shoot apical region, stamen primordia, and tapetum cells of the anther. Expressed at low level in roots and vegetative shoots.DEVELOPMENTAL STAGE Expressed in the epithelial layer of the embryo in germinating seed (PubMed:14688295). Expressed in anthers of developing flowers during meiosis, tapetal cell death stage, young microspore stage and vacuolated pollen stage (PubMed:19454733).INDUCTION By gibberellin in aleurone cells.DISRUPTION PHENOTYPE Plants are not defective in root and leaf elongation, but present shortened internodes and defects in pollen and floral development (PubMed:14688295). Delayed flowering (PubMed:19454733). Male sterile. Defective in anther and pollen development (PubMed:19454733, PubMed:20590996).MISCELLANEOUS May be due to intron retention. |
| created | [InstanceEdit:8986734] Gupta, Parul, 2017-04-28 |
| description | recommendedName: Transcription factor GAMYB alternativeName: OsGAMyb |
| geneName | GAMYB GAM1 MYBGA Os01g0812000 LOC_Os01g59660 OsJ_003732 P0425G02.18-1 P0425G02.18-2 |
| identifier | Q0JIC2 |
| isSequenceChanged | FALSE |
| keyword | Activator Alternative splicing Developmental protein Differentiation DNA-binding Flowering Nucleus Reference proteome Repeat Transcription Transcription regulation |
| modified | [InstanceEdit:8987656] Weiser, JD [InstanceEdit:9015733] Weiser, JD [InstanceEdit:9037114] Weiser, JD [InstanceEdit:9637257] Weiser, JD [InstanceEdit:9676415] Weiser, JD [InstanceEdit:9852000] Weiser, Joel, 2023-11-03 [InstanceEdit:9963647] Weiser, Joel, 2025-08-15 |
| name | GAMYB |
| referenceDatabase | [ReferenceDatabase:2] UniProt |
| secondaryIdentifier | GAMYB_ORYSJ B7ETP5 P93417 Q5VQR2 Q8SA38 |
| sequenceLength | 553 |
| species | [Species:1250427] Oryza sativa subsp. japonica |
| (isoformParent) | [ReferenceIsoform:8986742] UniProt:Q0JIC2-1 GAMYB [Oryza sativa subsp. japonica] [ReferenceIsoform:8986753] UniProt:Q0JIC2-2 GAMYB [Oryza sativa subsp. japonica] |
| (referenceEntity) | [EntityWithAccessionedSequence:8986843] GAMYB [nucleoplasm] [Oryza sativa] [EntityWithAccessionedSequence:9608678] GAMYB [cytosol] [Oryza sativa] |
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No pathways have been reviewed or authored by UniProt:Q0JIC2 GAMYB (8986721)
