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Diversity, Function and Regulation of Cell Surface and Intracellular Immune Receptors in Solanaceae

1
Department of Energy Plant Research Laboratory, Michigan State University, East Lansing, MI 48824, USA
2
Howard Hughes Medical Institute, Michigan State University, East Lansing, MI 48824, USA
3
Department of Biology, Wilfrid Laurier University, Waterloo, ON N2L 3C5, Canada
*
Authors to whom correspondence should be addressed.
Plants 2020, 9(4), 434; https://doi.org/10.3390/plants9040434
Received: 26 February 2020 / Revised: 14 March 2020 / Accepted: 23 March 2020 / Published: 1 April 2020
(This article belongs to the Special Issue Plant Innate Immunity 2020)
The first layer of the plant immune system comprises plasma membrane-localized receptor proteins and intracellular receptors of the nucleotide-binding leucine-rich repeat protein superfamily. Together, these immune receptors act as a network of surveillance machines in recognizing extracellular and intracellular pathogen invasion-derived molecules, ranging from conserved structural epitopes to virulence-promoting effectors. Successful pathogen recognition leads to physiological and molecular changes in the host plants, which are critical for counteracting and defending against biotic attack. A breadth of significant insights and conceptual advances have been derived from decades of research in various model plant species regarding the structural complexity, functional diversity, and regulatory mechanisms of these plant immune receptors. In this article, we review the current state-of-the-art of how these host surveillance proteins function and how they are regulated. We will focus on the latest progress made in plant species belonging to the Solanaceae family, because of their tremendous importance as model organisms and agriculturally valuable crops. View Full-Text
Keywords: plant immunity; solanaceous plants; pattern recognition receptor; NB-LRR receptor; resistance protein; immune receptor; host–pathogen interaction plant immunity; solanaceous plants; pattern recognition receptor; NB-LRR receptor; resistance protein; immune receptor; host–pathogen interaction
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Kim, J.H.; Castroverde, C.D.M. Diversity, Function and Regulation of Cell Surface and Intracellular Immune Receptors in Solanaceae. Plants 2020, 9, 434.

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