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Article

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

The Plant journal : for cell and molecular biology - 1 May 2000

Chen M, Choi Y, Voytas D F, Rodermel S

Abstract excerpt

Variegated plants have green- and white-sectored leaves. Cells in the green sectors contain morphologically normal chloroplasts, whereas cells in the white sectors contain non-pigmented plastids that lack organized lamellar structures. Many variegations are caused by mutations in nuclear genes th...

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Identifiers

PMID: 10849347
DOI: 10.1046/j.1365-313x.2000.00738.x

Provenance

PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 2 Sept 2026. Prepared record publication-10849347-2026-09-02.2. Manifest publication-graph-cohort-2026-09-02.2.

Source receipt: PubMed via Helena Literature Corpus, retrieved 2 Sept 2026.

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Mutations in the Arabidopsis VAR2 locus cause leaf variegation due to the loss of a chloroplast FtsH protease.PMID 10849347Read ↗

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

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

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

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 ↗

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

Exploring leaf variegation in Arabidopsis yellow variegated2 by single-cell RNA sequencing.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 ↗

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