Dual-targeted NADK2 Links Mitochondrial Redox Homeostasis to Carbon Partitioning and Heterotrophic Growth in Chlamydomonas reinhardtii

NAD kinases (NADKs) can modulate NADP(H) levels across shifting environmental conditions. In Chlamydomonas reinhardtii, we localized CreNADK1 to the chloroplast, CreNADK3 to the cytoplasm, and CreNADK2 to both the chloroplast and mitochondria. Importantly, during mixotrophic (light + acetate) and photoautotrophic (light) growth, most CreNADK2 is chloroplast localized whereas an increased…

biorxiv.org ·17h ago

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