Os02g0121300
The rice Os02g0121300 was reported as OsCYP2 in 2011 [1] by researchers from China.
Contents
Annotated Information
Gene Symbol
- Os02g0121300 <=> CYC2, cyc2*, cyc2, OsCYP2, CYP19-2, OsCYP-2, OsCyp2-P, OsCyp2, OsCYP19-1
Function
- OsCYP2 is a cyclophilin gene.
- It encoding OsCYP2 protein,which interact with co-chaperone Suppressor of G2 allele of skp1(OsSGT1) to effect the process of the degradation of auxin-responsive proteins.
- OsCYP2 confers salt tolerance in rice (Oryza sativa L.) seedlings when over-expressed.
- OsCYP2 may act as a key regulator that controls ROS level by modulating activities of antioxidant enzymes at translation level.
- OsCYP2 is also likely to act as a key component that is involved in signal pathways of other types of stresses-PEG, heat, cold, or ABA.
Phenotypic analysis
- Phenotypic analysis of one protein that was upregulated during salt-induced stress, cyclophilin 2 (OsCYP2), indicated that OsCYP2 transgenic rice seedlings had better tolerance to salt stress than did wild-type seedlings.
- Interestingly, wild-type seedlings exhibited a marked reduction in maximal photochemical efficiency under salt stress, whereas no such change was observed for OsCYP2-transgenic seedlings.
- OsCYP2-transgenic seedlings had lower levels of lipid peroxidation products and higher activities of antioxidant enzymes than wild-type seedlings.
Expression
- OsCYP2 expression is not only induced by salt stress, but also regulated by circadian rhythm.
- Spatiotemporal expression analysis of OsCYP2 showed that it could be induced by salt stress in both Shanyou 10 and Liangyoupeijiu seedlings, but Shanyou 10 seedlings showed higher OsCYP2 expression levels.
- Moreover, circadian rhythm expression of OsCYP2 in Shanyou 10 seedlings occurred earlier than in Liangyoupeijiu seedlings.
- Treatment with PEG, heat, or ABA induced OsCYP2 expression in Shanyou 10 seedlings but inhibited its expression in Liangyoupeijiu seedlings. Cold stress inhibited OsCYP2 expression in Shanyou 10 and Liangyoupeijiu seedlings.
- In addition, OsCYP2 was strongly expressed in shoots but rarely in roots in two rice hybrid varieties.
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Labs working on this gene
- Plant Molecular Biology & Proteomics Lab, Institute of Biotechnology, Hangzhou Academy of Agricultural Sciences, Hangzhou 310024, PR China.
- National Key Laboratory of Rice Biology, China National Rice Research Institute, Hangzhou 310006, PR China.
References
- ↑ Ruan SL, Ma HS, Wang SH, Fu YP, Xin Y, Liu WZ, Wang F, Tong JX, Wang SZ, Chen HZ. Proteomic identification of OsCYP2, a rice cyclophilin that confers salt tolerance in rice (Oryza sativa L.) seedlings when overexpressed. BMC Plant Biol. 2011 Feb 16;11:34. doi: 10.1186/1471-2229-11-34. PubMed PMID: 21324151; PubMed Central PMCID: PMC3050798.
