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Translation-dependent retrograde signaling coordinates high-light acclimation in plants

Marten Moore1, Aaron B Smith2, Melanie Wegener3

  • 1Research School of Biology, The Australian National University, Canberra, ACT 2601, Australia; Plant SynBio Australia, National Collaborative Research Infrastructure Strategy (NCRIS), The Australian National University, Canberra, ACT 2601, Australia; Biochemistry and Physiology of Plants, Bielefeld University, 33501 Bielefeld, Germany.

Molecular Plant
|July 8, 2026
PubMed
Summary

High light triggers translation-dependent retrograde signaling pathways (TraDeRS) in chloroplasts, rapidly enhancing photosynthesis and reducing photoinhibition. This involves conserved mRNA motifs and RNA-binding protein GAPDH, crucial for plant acclimation.

Keywords:
5′ UTR regulatory motifRNA-binding proteinchloroplastchloroplast retrograde signalinghigh lighthigh-light stressredox signalingretrograde signalingstress acclimationtranscriptometranslational control

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