Gene Details:

• MSU gene ID: LOC_Os04g16970
• RAPdb gene ID: Os04g0243700
• Gene Symbol: OsCTR1
• Genome: MSU7 ,  IRGSP-1.0
• Species: Oryza sativa

Functional Descriptions:

• Heterogeneous overexpression of OsCTR1 in Arabidopsis exhibited hypersensitive phenotypes with respect to ABA-responsive seed germination, seedling growth and stomatal closure.
• OsCTR1 was highly expressed in response to dehydration treatment and defense-related phytohormones, and its encoded protein was localized in both the chloroplasts and the cytosol.
• Several interacting partners were identified, which were mainly targeted to the chloroplasts, and interactions with OsCTR1 were confirmed by using biomolecular fluorescence complementation (BiFC).
• Interestingly, two chloroplast-localized proteins (OsCP12 and OsRP1) interacted with OsCTR1 in the cytosol, and ubiquitination by OsCTR1 led to protein degradation via the Ub 26S proteasome.
• The rice RING E3 ligase, OsCTR1, inhibits trafficking to the chloroplasts of OsCP12 and OsRP1, and its overexpression confers drought tolerance in Arabidopsis.
• Here, we found that a rice gene, OsCTR1, encoding the RING Ub E3 ligase plays an important role in drought tolerance.

Function-related keywords:

• seed-germination ,  stomatal ,  phytohormone ,  stomata ,  defense ,  chloroplast ,  drought ,  seed ,  growth ,  drought-tolerance ,  seedling

Literature:

• The rice RING E3 ligase, OsCTR1, inhibits trafficking to the chloroplasts of OsCP12 and OsRP1, and its overexpression confers drought tolerance in Arabidopsis .  DOI:  10.1111/pce.12219 ;  PMID:  24215658

Related News:

Gene Resources:

• NCBI ID:
• UniProt accessions:

Sequences: