- Information
- Symbol: REP-1,OsEP3A,OsSAG12-1
- MSU: LOC_Os01g67980
- RAPdb: Os01g0907600
- Publication
- Differential proteomic analysis of soluble extracellular proteins reveals the cysteine protease and cystatin involved in suspension-cultured cell proliferation in rice, 2009, Biochim Biophys Acta.
- Two cis-acting elements necessary and sufficient for gibberellin-upregulated proteinase expression in rice seeds, 2003, The Plant Journal.
- Multiple mode regulation of a cysteine proteinase gene expression in rice, 2000, Plant Physiol.
- Down-regulation of OsSAG12-1 results in enhanced senescence and pathogen-induced cell death in transgenic rice plants., 2013, J Biosci.
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Genbank accession number
- Key message
- In rice (Oryza sativa), REP-1 is a primary cysteine proteinase responsible for the digestion of seed storage proteins to provide nutrients to support the growth of young seedlings
- The expression of the gene for REP-1 (Rep1) is induced by gibberellins (GAs) and repressed by abscisic acid (ABA)
- An OsEP3A-specific DNA probe was used to study the effect of various factors on the expression of OsEP3A in germinating seeds and vegetative tissues of rice
- The expression of OsEP3A is hormonally regulated in germinating seeds, spatially and temporally regulated in vegetative tissues, and nitrogen-regulated in suspension-cultured cells
- Histochemical studies also indicate that the OsEP3A promoter is sufficient to confer the hormonal regulation of GUS expression in germinating seeds
- In germinating rice seeds, a cysteine proteinase (REP-1), synthesized in aleurone-layer cells, is a key enzyme in the degradation of the major storage protein, glutelin
- The OsEP3A promoter is sufficient to confer nitrogen regulation of GUS expression in suspension-cultured cells
- Down-regulation of OsSAG12-1 results in enhanced senescence and pathogen-induced cell death in transgenic rice plants.
- Expression of OsSAG12-1 is induced during senescence and pathogen-induced cell death
- Our results suggest that OsSAG12-1 is a negative regulator of cell death in rice
- Connection
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