Author

Bernhard Grimm

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Open access Sep 2026

Rubisco functional integrity requires a dedicated three-step maturation pathway

Proteins generally begin with methionine, which is often removed to expose the second residue. RuBP carboxylase/oxygenase (Rubisco), the most abundant enzyme on Earth and a major carbon and nitrogen reservoir, escapes this paradigm. Its catalytic subunit, RbcL, undergoes unusual amino terminal maturation, including aty...

Dong-Hui Xie, Jens S. Mühlenbeck, Patrick Schall et al. · Science Advances · 0 citations

Jul 2026

GUN2 and GUN3 Coordinate Heme and Chlorophyll Metabolism Thereby Impacting Singlet Oxygen Production and Photooxidative Responses.

A suppressor screen on the photosensitive Arabidopsis thaliana pif1 pif3 double mutant and four different point mutants of the GENOMES UNCOUPLED 3 gene encoding phytochromobilin synthase point to an important regulatory role of GUN2 and GUN3 for the mutual link of heme and chlorophyll synthesis.

Hua-Fan Zhu, Yuhong Li, Wenqiang Yang et al. · Plant and Cell Physiology · 0 citations