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Article

The chloroplast metalloproteases VAR2 and EGY1 act synergistically to regulate chloroplast development in Arabidopsis.

The Journal of biological chemistry - 24 Jan 2020

Qi Yafei, Wang Xiaomin, Lei Pei, Li Huimin, Yan Liru, Zhao Jun, Meng Jingjing, Shao Jingxia, An Lijun, Yu Fei, Liu Xiayan

Abstract excerpt

Chloroplast development and photosynthesis require the proper assembly and turnover of photosynthetic protein complexes. Chloroplasts harbor a repertoire of proteases to facilitate proteostasis and development. We have previously used an Arabidopsis leaf variegation mutant, yellow variegated2 (var2), defective in thylakoid FtsH protease complexes, as a tool to dissect the genetic regulation of chloroplast...

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Methodology Data sources Editorial policy Privacy About Contact Helena Bioinformatics

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Identifiers

PMID: 31836664
DOI: 10.1074/jbc.RA119.011853
PMCID: PMC6983840

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The chloroplast metalloproteases VAR2 and EGY1 act synergistically to regulate chloroplast development in Arabidopsis.PMID 31836664Read ↗

EGY1 encodes a membrane-associated and ATP-independent metalloprotease that is required for chloroplast development.Semantic proximity Read ↗

Genetic interactions reveal that specific defects of chloroplast translation are associated with the suppression of var2-mediated leaf variegation.Semantic proximity Read ↗

Chloroplast SRP54 and FtsH protease coordinate thylakoid membrane-associated proteostasis in Arabidopsis.Semantic proximity Read ↗

The balance between protein synthesis and degradation in chloroplasts determines leaf variegation in Arabidopsis yellow variegated mutants.Semantic proximity Read ↗

A var2 leaf variegation suppressor locus, SUPPRESSOR OF VARIEGATION3, encodes a putative chloroplast translation elongation factor that is important for chloroplast development in the cold.Semantic proximity Read ↗

Mutations in SUPPRESSOR OF VARIEGATION1, a factor required for normal chloroplast translation, suppress var2-mediated leaf variegation in Arabidopsis.Semantic proximity Read ↗

Coordinated regulation and complex formation of yellow variegated1 and yellow variegated2, chloroplastic FtsH metalloproteases involved in the repair cycle of photosystem II in Arabidopsis thylakoid membranes.Semantic proximity Read ↗

Mutations in the Arabidopsis VAR2 locus cause leaf variegation due to the loss of a chloroplast FtsH protease.Semantic proximity Read ↗

Simultaneous defects in chloroplast development and division cause leaf variegation in Arabidopsis.Semantic proximity Read ↗

VAR2/AtFtsH2 and EVR2/BCM1/CBD1 synergistically regulate the accumulation of PSII reaction centre D1 protein during de-etiolation in Arabidopsis.Semantic proximity Read ↗

A Putative Chloroplast Thylakoid Metalloprotease VIRESCENT3 Regulates Chloroplast Development in Arabidopsis thaliana.Semantic proximity Read ↗

Proteomic evidence for genetic epistasis: ClpR4 mutations switch leaf variegation to virescence in Arabidopsis.Semantic proximity Read ↗

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