Origin and Diversity of Plant Receptor-Like Kinases

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Abstract

Because of their high level of diversity and complex evolutionary histories, most studies on plant receptor-like kinase subfamilies have focused on their kinase domains. With the large amount of genome sequence data available today, particularly on basal land plants and Charophyta, more attention should be paid to primary events that shaped the diversity of the RLK gene family. We thus focus on the motifs and domains found in association with kinase domains to illustrate their origin, organization, and evolutionary dynamics. We discuss when these different domain associations first occurred and how they evolved, based on a literature review complemented by some of our unpublished results.

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Most cited references 156

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Daniel Couto, Cyril Zipfel (2016)

Recognition of pathogen-derived molecules by pattern recognition receptors (PRRs) is a common feature of both animal and plant innate immune systems. In plants, PRR signalling is initiated at the cell surface by kinase complexes, resulting in the activation of immune responses that ward off microorganisms. However, the activation and amplitude of innate immune responses must be tightly controlled. In this Review, we summarize our knowledge of the early signalling events that follow PRR activation and describe the mechanisms that fine-tune immune signalling to maintain immune homeostasis. We also illustrate the mechanisms used by pathogens to inhibit innate immune signalling and discuss how the innate ability of plant cells to monitor the integrity of key immune components can lead to autoimmune phenotypes following genetic or pathogen-induced perturbations of these components.

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Author and article information

Journal

Title: Annual Review of Plant Biology

Abbreviated Title: Annu. Rev. Plant Biol.

Publisher: Annual Reviews

ISSN (Print): 1543-5008

ISSN (Electronic): 1545-2123

Publication date Created: April 29 2020

Publication date (Print): April 29 2020

Volume: 71

Issue: 1

Pages: 131-156

Affiliations

[1 ]CIRAD, UMR AGAP, F-34398 Montpellier, France;

[2 ]AGAP, Université de Montpellier, CIRAD, INRA, Montpellier SupAgro, F-34060 Montpellier, France

Article

DOI: 10.1146/annurev-arplant-073019-025927

PubMed ID: 32186895

SO-VID: dd023ae0-bd45-4dea-8f65-351d2ad0b854

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