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Article

A red/blue optoswitch for temporal control of chloroplast transcription and biogenesis in Arabidopsis.

Nature communications - 20 Feb 2026

Uecker Finia, Ahrens Frederik M, Ruder Tim, Pfannschmidt Thomas

Abstract excerpt

Photosynthesis genes in plant chloroplasts are transcribed by the plastid-encoded RNA polymerase called PEP. Consequently, PEP-deficient mutants cannot generate a photosynthetic apparatus and develop non-viable albino seedlings. Inducible complementation of such mutants thus could provide interesting insights in PEP action and chloroplast biogenesis. Here we show the effects of photo-inducible complementation in...

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Identifiers

PMID: 41720790
DOI: 10.1038/s41467-026-69626-3
PMCID: PMC12932824

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