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The chloroplast ionome shines light on the dynamics of organellar iron homeostasis.

The Plant cell - 16 Feb 2026

Holzner Lorenz J, Östergaard Frank Lucia, Mühlbauer Susanne, Müller Anna, Schröder Laura, Seydel Charlotte, Grünert Jennifer, DeTar Rachael A, Philippar Katrin, Klingl Andreas, Mendoza-Cózatl David, Krämer Ute, Nägele Thomas, Bölter Bettina, Kunz Hans-Henning

Abstract excerpt

Annually, chloroplasts fix 258 billion tons of CO2 through photosynthesis. Photosynthesis and other biochemical pathways require specific amounts of metal ions in the organelle. Transport proteins in the plastid inner envelope maintain the organellar ion homeostasis. Despite substantial progress over the last decades, many genes encoding plastid ion channels and ion carriers or their regulators remain unknown. To...

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PMID: 41610165
DOI: 10.1093/plcell/koag017

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