期刊
PLANT CELL REPORTS
卷 31, 期 2, 页码 417-426出版社
SPRINGER
DOI: 10.1007/s00299-011-1176-x
关键词
Cyclophilin; CYP20-2; Stress tolerance; Salts/drought/high light stress
资金
- RDA NAAS [PJ0066472010]
- KRIBB Research Initiative
- Cabbage Genomics Assisted Breeding Supporting Center by Ministry for Food, Agriculture, Forestry and Fisheries of the Korean Goverment
- National Research Foundation of Korea [2011-0013767] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
The role that the putative thylakoid lumenal cyclophilin (CYP) CYP20-2 locates in the thylakoid, and whether CYP20-2 is an essential gene, have not yet been elucidated. Here, we show that CYP20-2 is well conserved in several photosynthetic plants and that the transcript level of the rice OsCYP20-2 gene is highly regulated under abiotic stress. We found that ectopic expression of rice OsCYP20-2 in both tobacco and Arabidopsis confers enhanced tolerance to osmotic stress and extremely high light. Based on these results, we suggest that although the exact biochemical function of OsCYP20-2 in the thylakoid lumen (TL) remains unclear, it may be involved in photosynthetic acclimation to help plants cope with environmental stress; the OsCYP20-2 gene may be a candidate for enhancing multiple abiotic stress tolerance.
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