Not your Mother's MAPKs: Apicomplexan MAPK function in daughter cell budding

William J. O'Shaughnessy, Pravin S. Dewangan, E. Ariana Paiz, Michael L. Reese

Research output: Contribution to journalReview articlepeer-review

Abstract

Reversible phosphorylation by protein kinases is one of the core mechanisms by which biological signals are propagated and processed. Mitogen-activated protein kinases, or MAPKs, are conserved throughout eukaryotes where they regulate cell cycle, development, and stress response. Here, we review advances in our understanding of the function and biochemistry of MAPK signaling in apicomplexan parasites. As expected for well-conserved signaling modules, MAPKs have been found to have multiple essential roles regulating both Toxoplasma tachyzoite replication and sexual differentiation in Plasmodium. However, apicomplexan MAPK signaling is notable for the lack of the canonical kinase cascade that normally regulates the networks, and therefore must be regulated by a distinct mechanism. We highlight what few regulatory relationships have been established to date, and discuss the challenges to the field in elucidating the complete MAPK signaling networks in these parasites.

Original languageEnglish (US)
Pages (from-to)e1010849
JournalPLoS pathogens
Volume18
Issue number10
DOIs
StatePublished - Oct 1 2022

ASJC Scopus subject areas

  • Parasitology
  • Microbiology
  • Immunology
  • Molecular Biology
  • Genetics
  • Virology

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