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Accelerated Relaxation of Photoprotection Impairs Growth and Biomass Accumulation in Rice

Yongxing Zheng1, Zhiyuan Li1, Junhang An1

  • 1State Key Laboratory of Crop Stress Adaptation and Improvement, Henan Key Laboratory of Synthetic Biology and Biomanufacturing, School of Life Sciences, Henan University, Kaifeng, China.

Plant, Cell & Environment
|November 5, 2025
PubMed
Summary

Transgenic rice overexpressing photoprotection proteins (VPZ) enhanced photoprotection but showed reduced growth and biomass. Alterations in photochemical quenching under normal light may explain these negative impacts.

Keywords:
CO2 assimilationelectron transportnon‐photochemical quenchingphotosynthesisricexanthophyll cycle

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