Cellular Signaling Pathways and Posttranslational Modifications Mediated by Nematode Effector Proteins

Plant Physiology
Tarek Hewezi

Abstract

Plant-parasitic cyst and root-knot nematodes synthesize and secrete a suite of effector proteins into infected host cells and tissues. These effectors are the major virulence determinants mediating the transformation of normal root cells into specialized feeding structures. Compelling evidence indicates that these effectors directly hijack or manipulate refined host physiological processes to promote the successful parasitism of host plants. Here, we provide an update on recent progress in elucidating the molecular functions of nematode effectors. In particular, we emphasize how nematode effectors modify plant cell wall structure, mimic the activity of host proteins, alter auxin signaling, and subvert defense signaling and immune responses. In addition, we discuss the emerging evidence suggesting that nematode effectors target and recruit various components of host posttranslational machinery in order to perturb the host signaling networks required for immunity and to regulate their own activity and subcellular localization.

Citations

Jul 1, 2016·Annual Review of Phytopathology·Steven A WhithamTarek Hewezi
Feb 2, 2018·PLoS Pathogens·Parijat S Juvale, Thomas J Baum
Feb 26, 2019·The Plant Journal : for Cell and Molecular Biology·Gennady V PogorelkoThomas J Baum
Nov 5, 2019·Database : the Journal of Biological Databases and Curation·Rick MasonbrinkAndrew J Severin
Oct 20, 2017·Frontiers in Plant Science·Muhammad A AliHolger Bohlmann
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Aug 17, 2019·Frontiers in Plant Science·Joffrey MejiasMichaël Quentin
May 16, 2020·Annual Review of Phytopathology·Tarek Hewezi
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