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Retrograde signalling in a virescent mutant triggers an anterograde delay of chloroplast biogenesis that requires GUN1 and is essential for survival.

Philosophical transactions of the Royal Society of London. Series B, Biological sciences - 22 Jun 2020

Loudya Naresh, Okunola Tolulope, He Jia, Jarvis Paul, López-Juez Enrique

Abstract excerpt

Defects in chloroplast development are 'retrograde-signalled' to the nucleus, reducing synthesis of photosynthetic or related proteins. The Arabidopsiscue8 mutant manifests virescence, a slow-greening phenotype, and is defective at an early stage in plastid development. Greening cotyledons or early leaf cells of cue8 exhibit immature chloroplasts which fail to fill the available cellular space. Such chloroplasts...

Topics

Arabidopsis
Arabidopsis Proteins
Chloroplasts
DNA-Binding Proteins
Mutation
Organelle Biogenesis
Signal Transduction

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Methodology Data sources Editorial policy Privacy About Contact Helena Bioinformatics

Identifiers

PMID: 32362263
DOI: 10.1098/rstb.2019.0400
PMCID: PMC7209947

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 31 Aug 2026.

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