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Article

AtHSP90.5 and AtFtsH12 synergistically regulate the accumulation of photosynthesis protein complexes and chloroplast development in Arabidopsis.

The Plant journal : for cell and molecular biology - 1 Jul 2025

Wang Xiaomin, Zhong Jiahui, Li Bilang, Yang Shuo, Wang Peiyi, Shao Jingxia, Meng Jingjing, Liu Xiayan, Yu Fei, Qi Yafei

Abstract excerpt

The 90-kDa heat shock protein (HSP90) is a central component of the chaperone system for protein homeostasis (proteostasis). In Arabidopsis, AtHSP90.5 is the sole chloroplast-localized HSP90 family member, yet its role in chloroplast proteostasis remains poorly characterized. Here, we identify and characterize the pale green arabidopsis 5 mutant, pga5-1, which exhibits defective chloroplast development and...

Read the complete abstract on PubMed

Topics

Arabidopsis
Arabidopsis Proteins
Chloroplasts
HSP90 Heat-Shock Proteins
Photosynthesis

Methodology Data sources Editorial policy Privacy Delete account & data About Contact Helena Bioinformatics

Gene Expression Regulation, Plant

Mutation

Adenosine Triphosphatases

Photosynthetic Reaction Center Complex Proteins

Heat-Shock Proteins

Chloroplast Proteins

Source

Identifiers

PMID: 40711409
DOI: 10.1111/tpj.70369

Genes

PGA4

Provenance

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