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Trends Plant Sci. 2019 Nov 29. pii: S1360-1385(19)30278-X. doi: 10.1016/j.tplants.2019.10.009. [Epub ahead of print]

Unraveling the Linkage between Retrograde Signaling and RNA Metabolism in Plants.

Author information

1
Institute of Nuclear Agricultural Sciences, Key Laboratory of Nuclear Agricultural Sciences of Ministry of Agriculture and Zhejiang Province, College of Agriculture and Biotechnology, Zhejiang University, Hangzhou 310058, China; Howard Hughes Medical Institute, Salk Institute for Biological Studies, La Jolla, CA 92037, USA; Plant Biology Laboratory, Salk Institute for Biological Studies, La Jolla, CA 92037, USA. Electronic address: xbzhao@zju.edu.cn.
2
Howard Hughes Medical Institute, Salk Institute for Biological Studies, La Jolla, CA 92037, USA; Plant Biology Laboratory, Salk Institute for Biological Studies, La Jolla, CA 92037, USA.
3
Howard Hughes Medical Institute, Salk Institute for Biological Studies, La Jolla, CA 92037, USA; Plant Biology Laboratory, Salk Institute for Biological Studies, La Jolla, CA 92037, USA. Electronic address: chory@salk.edu.

Abstract

Retrograde signals are signals that originate in organelles to regulate nuclear gene expression. In plant cells, retrograde signaling from both chloroplasts and mitochondria is essential for plant development and growth. Over the past few years, substantial progress has been made in unraveling the linkages between chloroplast retrograde signaling and nuclear RNA metabolism processes or plastidial RNA editing. These findings add to the complexity of the regulation of organelle-to-nucleus communication. Chloroplast development and function rely on the coordinated regulation of chloroplast and nuclear gene expression, especially under stress conditions. A better understanding of retrograde signaling and RNA metabolism, as well as their connection, is essential for breeding stress-tolerant plants to cope with the dynamic and rapidly changing environment.

KEYWORDS:

RNA editing; RNA metabolism; alternative splicing; organelle; retrograde signaling

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