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Updated: May 20, 2026

Phosphoproteomic Strategy for Profiling Osmotic Stress Signaling in Arabidopsis
Published on: June 25, 2020
In vivo phosphorylation of FtsZ2 in Arabidopsis thaliana
Daniela Gargano1, Jodi Maple-Grødem, Simon G Møller
1Centre for Organelle Research, Faculty of Science and Technology, University of Stavanger, Stavanger, Norway.
Abstract:
The tubulin-like FtsZ protein initiates assembly of the bacterial and plastid division machineries. In bacteria, phosphorylation of FtsZ impairs GTPase activity, polymerization and interactions with other division proteins. Using a proteomics approach, we have shown that AtFtsZ2 is phosphorylated in vivo in Arabidopsis and that PGK1 (phosphoglycerate kinase 1) interacts with AtFtsZ2 in planta, suggesting a possible role in FtsZ phosphorylation.
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