2020
DOI: 10.1111/jipb.12898
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Plant immune signaling: Advancing on two frontiers

Abstract: Plants have evolved multiple defense strategies to cope with pathogens, among which plant immune signaling that relies on cell-surface localized and intracellular receptors takes fundamental roles. Exciting breakthroughs were made recently on the signaling mechanisms of pattern recognition receptors (PRRs) and intracellular nucleotide-binding site (NBS) and leucine-rich repeat (LRR) domain receptors (NLRs). This review summarizes the current view of PRRs activation, emphasizing the most recent discoveries abou… Show more

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Cited by 188 publications
(155 citation statements)
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References 220 publications
(347 reference statements)
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“…To protect against the invasion of different pathogens, plants have evolved multiple sophisticated strategies including pathogen-associated molecular pattern (PAMP)-triggered immunity (PTI) and effector-triggered immunity (ETI) [1,2]. ETI is activated when plant disease resistance (R) genes recognize the presence of specific pathogen-secreted molecules (effectors), triggering a series of defense responses which often include a localized programmed cell death at the point of pathogen challenge known as the hypersensitive response (HR) [3][4][5].…”
Section: Introductionmentioning
confidence: 99%
“…To protect against the invasion of different pathogens, plants have evolved multiple sophisticated strategies including pathogen-associated molecular pattern (PAMP)-triggered immunity (PTI) and effector-triggered immunity (ETI) [1,2]. ETI is activated when plant disease resistance (R) genes recognize the presence of specific pathogen-secreted molecules (effectors), triggering a series of defense responses which often include a localized programmed cell death at the point of pathogen challenge known as the hypersensitive response (HR) [3][4][5].…”
Section: Introductionmentioning
confidence: 99%
“…The activation of induced defenses is coordinated by signaling networks, which include receptor-like kinases (RLKs); mitogen-activated protein kinase (MPK) cascades; and WRKY-, jasmonic acid (JA)-, jasmonoyl-isoleucine (JA-Ile)-, salicylic acid (SA)-, ethylene (ET)-and H 2 O 2 -mediated signaling pathways (Erb & Reymond, 2019;Schuman & Baldwin, 2016). The emerging view is that RLKs perceive herbivore-associated molecular patterns and stimulate MPK cascades (Wang, Feng, Zhou, & Tang, 2020;Zhang, Su, Zhang, Xu, & Zhang, 2018;Zipfel, 2014), which then activate transcription factors (TFs), including, for instance, WRKY TFs, at the transcriptional and/or post-translational levels (Jiang et al, 2017;Phukan, Jeena, & Shukla, 2016;Tsuda & Somssich, 2015). Both active MPKs and TFs regulate the signaling networks by activating or suppressing one or more components in different signaling pathways mediated by (among others) JA, SA, ET and reactive oxygen species (ROS) (Bakshi & Oelmuller, 2014;Hu et al, 2015;Li, Liu, et al, 2019).…”
Section: Introductionmentioning
confidence: 99%
“…Therefore, cellautonomous immunity plays critical roles in plants to sense and defend pathogen infections. Recognition of pathogen-associated molecular patterns by cell pattern recognition receptors (PRRs) activates innate immune responses effectively against the invaders (1,2). In turn, adapted pathogens secrete a mixture of effector proteins to suppress or evade immunity triggered by PRRs.…”
mentioning
confidence: 99%