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Title 

The rice thylakoid lumenal cyclophilin OsCYP20-2 confers enhanced environmental stress tolerance in tobacco and Arabidopsis

Authors 

S K KimYoung Nim YouJ C ParkY JoungB G KimJ C AhnHye Sun Cho

Publisher 

Springer Verlag (Germany)

Issue Date 

2012

Citation 

Plant Cell Reports, vol. 31, no. 2, pp. 417-426

Keywords 

CyclophilinCYP20-2Salts/drought/high light stressStress tolerance

Abstract 

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.

ISSN 

0721-7714

Link 

http://dx.doi.org/10.1007/s00299-011-1176-x

Appears in Collections

1. Journal Articles > Journal Articles

Registered Date

2019-05-02


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