Gene Details:

• MSU gene ID: LOC_Os10g41200
• RAPdb gene ID: Os10g0561400
• Gene Symbol: MYBS3 OsMYBS3
• Genome: MSU7 ,  IRGSP-1.0
• Species: Oryza sativa

Functional Descriptions:

• MYBS3 is a single DNA-binding repeat MYB transcription factor previously shown to mediate sugar signaling in rice.
• Transient expression assays with barley half-seeds showed that OsMYBS1 and OsMYBS2 transactivate a promoter containing the TATCCA element when sugar is provided, whereas OsMYBS3 represses transcription of the same promoter under sugar starvation.
• Transgenic rice constitutively overexpressing MYBS3 tolerated 4 degrees C for at least 1 week and exhibited no yield penalty in normal field conditions.
• Gain- and loss-of-function analyses indicated that MYBS3 was sufficient and necessary for enhancing cold tolerance in rice.
• A novel MYBS3-dependent pathway confers cold tolerance in rice.
• Several genes activated by MYBS3 as well as inducible by cold have previously been implicated in various abiotic stress responses and/or tolerance in rice and other plant species.
• DREB1 responded quickly and transiently while MYBS3 responded slowly to cold stress, which suggests that distinct pathways act sequentially and complementarily for adapting short- and long-term cold stress in rice.

Function-related keywords:

• transcription-factor ,  seed ,  yield ,  cold-tolerance ,  abiotic-stress ,  cold-stress

Literature:

• A novel MYBS3-dependent pathway confers cold tolerance in rice .  DOI:  10.1104/pp.110.153015 ;  PMID:  20130099
• Three novel MYB proteins with one DNA binding repeat mediate sugar and hormone regulation of alpha-amylase gene expression .  DOI:  10.1105/tpc.001735 ;  PMID:  12172034

Related News:

Gene Resources:

• NCBI ID: AAN63154  , AY151044
• UniProt accessions:

Sequences: