- Information
- Symbol: Os3BGlu6
- MSU: LOC_Os03g11420
- RAPdb: Os03g0212800
- Publication
- Structural and enzymatic characterization of Os3BGlu6, a rice beta-glucosidase hydrolyzing hydrophobic glycosides and 1->3- and 1->2-linked disaccharides, 2009, Plant Physiol.
- Chloroplastic Os3BGlu6 contributes significantly to cellular ABA pools and impacts drought tolerance and photosynthesis in rice., 2020, New Phytol.
- Genbank accession number
- Key message
- Os3BGlu6 was responsive to drought and ABA treatments, and the protein was localized to the chloroplast
- Transcriptomics revealed that disruption of Os3BGlu6 resulted in chloroplastic oxidative stress and lowered Rubisco activity even under normal condition
- Chloroplastic Os3BGlu6 contributes significantly to cellular ABA pools and impacts drought tolerance and photosynthesis in rice.
- Drought induced Os3BGlu6 to form dimmers, and the degree of polymerization correlated well with the increase in cellular ABA levels and drought tolerance in rice
- Taken together, these results suggest that chloroplastically localized Os3BGlu6 significantly affects cellular ABA pools, thereby affecting drought tolerance and photosynthesis in rice
- Disruption of Os3BGlu6 in rice r esulted in dwarfism, lower ABA content in leaves, drought-sensitivity, lower photosynthesis rate, and higher intercellular CO2 concentration
- Os3BGlu6 could hydrolyze ABA-GE to ABA in vitro
- Disruption of Os3BGlu6 resulted in the increased stomatal density and impaired stomatal movement
- Connection
- Os3BGlu6, STK, Receptor-Like Cytoplasmic Kinase STK Confers Salt Tolerance in Rice., Reverse transcription quantitative PCR (RT-qPCR) suggested that four stress-related genes may be regulated by STK including OsABAR1, Os3BGlu6, OSBZ8 and OsSIK1
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