Multifaceted functions of post-translational enzyme modifications in the control of plant glycolysis

Brendan O'Leary, William C. Plaxton

Research output: Contribution to journalReview articlepeer-review

33 Citations (Scopus)


Glycolysis is a central feature of metabolism and its regulation plays important roles during plant developmental and stress responses. Recent advances in proteomics and mass spectrometry have documented extensive and dynamic post-translational modifications (PTMs) of most glycolytic enzymes in diverse plant tissues. Protein PTMs represent fundamental regulatory events that integrate signalling and gene expression with cellular metabolic networks, and can regulate glycolytic enzyme activity, localization, protein:protein interactions, moonlighting functions, and turnover. Serine/threonine phosphorylation and redox PTMs of cysteine thiol groups appear to be the most prevalent forms of reversible covalent modification involved in plant glycolytic control. Additional PTMs including monoubiquitination also have important functions. However, the molecular functions and mechanisms of most glycolytic enzyme PTMs remain unknown, and represent important objectives for future studies.

Original languageEnglish
Pages (from-to)28-37
Number of pages10
JournalCurrent Opinion in Plant Biology
Publication statusPublished - 1 Jun 2020


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