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Article

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

Genes to cells : devoted to molecular & cellular mechanisms - 1 Aug 2002

Sakamoto Wataru, Tamura Takayuki, Hanba-Tomita Yuko, Murata Minoru

Abstract excerpt

BACKGROUND: A leaf-variegated mutation var1 of Arabidopsis results in the development of abnormal plastids and the formation of a green/white sector. Genetic analysis of the var1 mutant indicated that it acts synergistically with another mutation var2, suggesting that the two genes are relevant. The VAR2 locus has been shown to encode a chloroplastic FtsH, an ATP-dependent protease which is possibly involved in...

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PMID: 12167156
DOI: 10.1046/j.1365-2443.2002.00558.x

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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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The VAR1 locus of Arabidopsis encodes a chloroplastic FtsH and is responsible for leaf variegation in the mutant alleles.PMID 12167156Read ↗

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

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

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

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

The variegated mutants lacking chloroplastic FtsHs are defective in D1 degradation and accumulate reactive oxygen species.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 chloroplast metalloproteases VAR2 and EGY1 act synergistically to regulate chloroplast development in Arabidopsis.Semantic proximity Read ↗

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

The Arabidopsis FtsH metalloprotease gene family: interchangeability of subunits in chloroplast oligomeric complexes.Semantic proximity Read ↗

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