Gene Details:

• MSU gene ID: LOC_Os03g11420
• RAPdb gene ID: Os03g0212800
• Gene Symbol: Os3BGlu6
• Genome: MSU7 ,  IRGSP-1.0
• Species: Oryza sativa

Functional Descriptions:

• 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.

Function-related keywords:

• chloroplast ,  oxidative-stress ,  drought ,  photosynthesis ,  tolerance ,  oxidative ,  ABA ,  drought-tolerance ,  stress ,  stomatal

Literature:

• Structural and enzymatic characterization of Os3BGlu6, a rice beta-glucosidase hydrolyzing hydrophobic glycosides and (1->3)- and (1->2)-linked disaccharides .  DOI:  10.1104/pp.109.139436 ;  PMID:  19587102
• Chloroplastic Os3BGlu6 contributes significantly to cellular ABA pools and impacts drought tolerance and photosynthesis in rice .  DOI:  10.1111/nph.16416 ;  PMID:  31917861

Related News:

Gene Resources:

• NCBI ID: AY129294
• UniProt accessions:

Sequences: