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Article

Mutations in ClpC2/Hsp100 suppress the requirement for FtsH in thylakoid membrane biogenesis.

Proceedings of the National Academy of Sciences of the United States of America - 24 Aug 2004

Park Sungsoon, Rodermel Steven R

Abstract excerpt

The Arabidopsis var2 variegation mutant defines a nuclear gene for a chloroplast FtsH metalloprotease. Leaf variegation is expressed only in homozygous recessive plants. The cells in the green leaf sectors of this mutant contain morphologically normal chloroplasts, whereas cells in the white sectors contain abnormal plastids lacking organized lamellar structures. var2 mutants are hypersusceptible to...

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Identifiers

PMID: 15304652
DOI: 10.1073/pnas.0402764101
PMCID: PMC515127

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 6 Sept 2026. Manifest publication-graph-cohort-2026-09-06.1.

Source receipt: pubmed, retrieved 6 Sept 2026.

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Mutations in ClpC2/Hsp100 suppress the requirement for FtsH in thylakoid membrane biogenesis.PMID 15304652Read ↗

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

The YELLOW VARIEGATED (VAR2) locus encodes a homologue of FtsH, an ATP-dependent protease in Arabidopsis.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 ↗

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

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

The VAR1 locus of Arabidopsis encodes a chloroplastic FtsH and is responsible for leaf variegation in the mutant alleles.Semantic proximity Read ↗

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

Chloroplast SRP54 and FtsH protease coordinate thylakoid membrane-associated proteostasis 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 ↗

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

Allelic characterization of the leaf-variegated mutation var2 identifies the conserved amino acid residues of FtsH that are important for ATP hydrolysis and proteolysis.Semantic proximity Read ↗

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