Os09g0375100
The rice Os09g0375100 was reported as OsHSBP1 in 2012 [1] by researchers from China and Pakistan.
Contents
Annotated Information
Gene Symbol
- Os09g0375100 <=> OsHSBP1,HSBP1
Function
- HSF binding protein (HSBP) is reported to modulate the function of HSF by binding to their trimer and hence to regulate HSR.
- OsHSBP1 and OsHSBP2 play important role in the regulation of the HSR and seed development of rice.
Phenotypic analysis
- Both OsHSBP1 and OsHSBP2 were also important for seed development, as their knock-down lines were associated with significant seed abortion.
- The thermotolerance assay revealed that OsHSBP1 and OsHSBP2 are negative regulators of HSR and involved in acquired thermotolerance but not in basal thermotolerance since their over-expression transgenic lines pre-heated at sublethal temperature, showed significantly decreased seedling survival after heat shock treatment.
- Furthermore, antioxidant activity and gene expression of catalase and peroxidase was significantly increased in knock-down transgenic seedlings of OsHSBP1 and OsHSBP2 after heat stress compared with the wild type.
Expression
- Both OsHSBP1 and OsHSBP2 expressed ubiquitously in all tissues under normal growth conditions while their expression levels were significantly increased during recovery after heat shock treatment.
Subcellular localization
- Subcellular localization analysis revealed the cytosol-nuclear localization of both OsHSBP1 and OsHSBP2 in onion epidermal cells.
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Labs working on this gene
- State Key Laboratory of Crop Genetics and Germplasm Enhancement, Nanjing Agricultural University, Nanjing 210095, China
- Department of Plant Breeding and Genetics, PMAS-Arid Agriculture University Rawalpindi, Pakistan
References
- ↑ Rana RM, Dong S, Tang H, Ahmad F, Zhang H. Functional analysis of OsHSBP1 and OsHSBP2 revealed their involvement in the heat shock response in rice (Oryza sativa L.). J Exp Bot. 2012 Oct;63(16):6003-16. doi: 10.1093/jxb/ers245. Epub 2012 Sep 20. PubMed PMID: 22996677.