Plastid ribosomal protein S5 is involved in photosynthesis, plant development, and cold stress tolerance in Arabidopsis

© The Author 2016. Published by Oxford University Press on behalf of the Society for Experimental Biology.

Bibliographische Detailangaben
Veröffentlicht in:Journal of experimental botany. - 1985. - 67(2016), 9 vom: 26. Apr., Seite 2731-44
1. Verfasser: Zhang, Junxiang (VerfasserIn)
Weitere Verfasser: Yuan, Hui, Yang, Yong, Fish, Tara, Lyi, Sangbom M, Thannhauser, Theodore W, Zhang, Lugang, Li, Li
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2016
Zugriff auf das übergeordnete Werk:Journal of experimental botany
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Arabidopsis RPS5. cold stress tolerance photosynthesis plastid ribosomal protein proteomics Arabidopsis Proteins RNA, Ribosomal, 16S RPS5 protein, Arabidopsis
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520 |a Plastid ribosomal proteins are essential components of protein synthesis machinery and have diverse roles in plant growth and development. Mutations in plastid ribosomal proteins lead to a range of developmental phenotypes in plants. However, how they regulate these processes is not fully understood, and the functions of some individual plastid ribosomal proteins remain unknown. To identify genes responsible for chloroplast development, we isolated and characterized a mutant that exhibited pale yellow inner leaves with a reduced growth rate in Arabidopsis. The mutant (rps5) contained a missense mutation of plastid ribosomal protein S5 (RPS5), which caused a dramatically reduced abundance of chloroplast 16S rRNA and seriously impaired 16S rRNA processing to affect ribosome function and plastid translation. Comparative proteomic analysis revealed that the rps5 mutation suppressed the expression of a large number of core components involved in photosystems I and II as well as many plastid ribosomal proteins. Unexpectedly, a number of proteins associated with cold stress responses were greatly decreased in rps5, and overexpression of the plastid RPS5 improved plant cold stress tolerance. Our results indicate that RPS5 is an important constituent of the plastid 30S subunit and affects proteins involved in photosynthesis and cold stress responses to mediate plant growth and development 
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650 4 |a Research Support, Non-U.S. Gov't 
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650 4 |a photosynthesis 
650 4 |a plastid ribosomal protein 
650 4 |a proteomics 
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650 7 |a RNA, Ribosomal, 16S  |2 NLM 
650 7 |a RPS5 protein, Arabidopsis  |2 NLM 
700 1 |a Yuan, Hui  |e verfasserin  |4 aut 
700 1 |a Yang, Yong  |e verfasserin  |4 aut 
700 1 |a Fish, Tara  |e verfasserin  |4 aut 
700 1 |a Lyi, Sangbom M  |e verfasserin  |4 aut 
700 1 |a Thannhauser, Theodore W  |e verfasserin  |4 aut 
700 1 |a Zhang, Lugang  |e verfasserin  |4 aut 
700 1 |a Li, Li  |e verfasserin  |4 aut 
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