Gene Details:

• MSU gene ID: LOC_Os03g03370
• RAPdb gene ID: Os03g0125100
• Gene Symbol: DSM2
• Genome: MSU7 ,  IRGSP-1.0
• Species: Oryza sativa

Functional Descriptions:

• To identify critical genes for drought resistance in rice (Oryza sativa), we screened T-DNA mutants and identified a drought-hypersensitive mutant, DSM2.
• The amounts of zeaxanthin and ABA were significantly reduced in two allelic DSM2 mutants after drought stress compared with the wild type.
• Overexpression of DSM2 in rice resulted in significantly increased resistance to drought and oxidative stresses and increases of the xanthophylls and nonphotochemical quenching.
• We conclude that the DSM2 gene significantly contributes to control of the xanthophyll cycle and ABA synthesis, both of which play critical roles in the establishment of drought resistance in rice.
• Characterization of the beta-carotene hydroxylase gene DSM2 conferring drought and oxidative stress resistance by increasing xanthophylls and abscisic acid synthesis in rice.
• DSM2 is a chloroplast protein, and the response of DSM2 to environmental stimuli is distinctive from the other two BCH members in rice.

Function-related keywords:

• drought ,  drought-resistance ,  ABA ,  chloroplast ,  oxidative

Literature:

• Characterization of the beta-carotene hydroxylase gene DSM2 conferring drought and oxidative stress resistance by increasing xanthophylls and abscisic acid synthesis in rice .  DOI:  10.1104/pp.110.163741 ;  PMID:  20852032

Related News:

Gene Resources:

• NCBI ID: AK287823
• UniProt accessions:

Sequences: