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June 8, 2026New PhytologistOpen Access

Exploring thylakoid emergence: evolution of membrane biogenesis and photosystem II assembly in early‐diverging cyanobacteria

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Authors

LHLouise HambuckenDBDenis BaurainLCLuc Cornet

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Overview

Randomized trial investigates emergence of thylakoid membranes and photosystem II assembly in cyanobacteria, suggesting evolutionary innovations.

Key Points

  • This study aims to explore the evolutionary origin of thylakoid membranes in cyanobacteria and their role in photosystem II assembly.
  • Conducted phylogenomic analyses across diverse cyanobacterial lineages including Gloeobacterales and others.
  • Utilized structural modeling with AlphaFold3 and examined candidate proteins associated with membrane trafficking.
  • Analyzed 36 factors involved in photosystem II assembly regarding manganese homeostasis and translocase structure.
  • Identified candidate proteins associated with thylakoid membrane biogenesis and photosystem II assembly changes.
  • Observed modifications in late-stage photosystem II assembly, particularly in manganese homeostasis.
  • Proposed structural adaptations in the YidC translocase that facilitated electron transfer component relocation.

Cite This Study

Hambucken et al. (2026) studied this question.

synapsesocial.com/papers/6a265ccbad53cfb9357c606ehttps://doi.org/10.1111/nph.71284
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