Native catalase expression in Arabidopsis thaliana is more than sufficient to limit excess decarboxylation from photorespiratory intermediates
Luke M. Gregory, Kate F. Scott, Faith Twinamanni, Deserah D. Strand, Han Bao, Andreas P. M. Weber, Berkley J. Walker
This study shows that native catalase in Arabidopsis thaliana is sufficient to limit decarboxylation from photorespiratory intermediates, suggesting further catalase optimization may not improve plant growth.
bioRxiv · Dec 9, 2025 · PreprintPlant Biology