Chloroplast Translation Elongation Factor EF-Tu/SVR11 Is Involved in -Mediated Leaf Variegation and Leaf Development in

Overview

Journal Front Plant Sci

Date 2019 Mar 28

PMID 30915096

Citations 12

Authors

Siyu Liu

Lu Zheng

Jia Jia

Jia Guo

Mengdi Zheng

Jun Zhao

Jingxia Shao

Xiayan Liu

Lijun An

Fei Yu

Yafei Qi

Affiliations

Soon will be listed here.

Abstract

Chloroplasts are semiautonomous organelles, retaining their own genomes and gene expression apparatuses but controlled by nucleus genome encoded protein factors during evolution. To analyze the genetic regulatory network of FtsH-mediated chloroplast development in , a set of suppressor mutants of () have been identified. In this research, we reported the identification of another new suppressor locus, (), which encodes a putative chloroplast-localized prokaryotic type translation elongation factor EF-Tu. is likely essential to chloroplast development and plant survival. activity reveals that is abundant in the juvenile leaf tissue, lateral roots, and root tips. Interestingly, we found that and together regulate leaf development, including leaf margin development and cotyledon venation patterns. These findings reinforce the notion that chloroplast translation state triggers retrograde signals regulate not only chloroplast development but also leaf development.

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