Receptor Kinases in Plant-Pathogen Interactions: More Than Pattern Recognition

Tang, Dingzhong; Wang, Guoxun; Zhou, Jian‐Min

doi:10.1105/tpc.16.00891

Cited by 587 publications

(524 citation statements)

References 238 publications

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“…Apoplastic hydrogen peroxide has been shown to exert a strong influence on phenolic metabolism in Norway spruce (Picea abies) cell cultures and to modify lignin formation and polymerization (Laitinen et al, 2017). The ROS burst that occurs upon the perception of a physical or chemical signal triggers redox signaling pathways that regulate plant growth as well as defense Foyer et al, 2017;Kimura et al, 2017;Tang et al, 2017). ROS signaling transmits information locally through plasma membrane receptor-like kinases that modify metabolism and gene expression and systemically through processes called systemic acquired resistance and systemic acquired acclimation on environmental stress Kimura et al, 2017;Tang et al, 2017).…”

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confidence: 99%

“…The ROS burst that occurs upon the perception of a physical or chemical signal triggers redox signaling pathways that regulate plant growth as well as defense Foyer et al, 2017;Kimura et al, 2017;Tang et al, 2017). ROS signaling transmits information locally through plasma membrane receptor-like kinases that modify metabolism and gene expression and systemically through processes called systemic acquired resistance and systemic acquired acclimation on environmental stress Kimura et al, 2017;Tang et al, 2017). Since the apoplast has few antioxidants, ROS are likely to have a longer lifetime in this compartment than they would have inside the cell Parsons and Fry, 2012;Noctor and Foyer, 2016).…”

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Redox Control of Aphid Resistance through Altered Cell Wall Composition and Nutritional Quality

et al. 2017

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The mechanisms underpinning plant perception of phloem-feeding insects, particularly aphids, remain poorly characterized. Therefore, the role of apoplastic redox state in controlling aphid infestation was explored using transgenic tobacco (Nicotiana tabacum) plants that have either high (PAO) or low (TAO) ascorbate oxidase (AO) activities relative to the wild type. Only a small number of leaf transcripts and metabolites were changed in response to genotype, and cell wall composition was largely unaffected. Aphid fecundity was decreased significantly in TAO plants compared with other lines. Leaf sugar levels were increased and maximum extractable AO activities were decreased in response to aphids in all genotypes. Transcripts encoding the Respiratory Burst Oxidase Homolog F, signaling components involved in ethylene and other hormonemediated pathways, photosynthetic electron transport components, sugar, amino acid, and cell wall metabolism, were increased significantly in the TAO plants in response to aphid perception relative to other lines. The levels of galactosylated xyloglucan were decreased significantly in response to aphid feeding in all the lines, the effect being the least in the TAO plants. Similarly, all lines exhibited increases in tightly bound (1→4)-b-galactan. Taken together, these findings identify AO-dependent mechanisms that limit aphid infestation.

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Redox Control of Aphid Resistance through Altered Cell Wall Composition and Nutritional Quality

et al. 2017

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“…Plant pathogens that breach the waxy cuticular layer atop the epidermis face an efficient plant immune system comprising two layers (1,2). The first layer consists of plasma membrane (PM)-spanning pattern-recognition receptors (PRRs) that typically recognize and bind pathogen/microbe-associated molecular patterns (PAMPs/MAMPs) and initiate PAMP/MAMP-triggered immunity (PTI/MTI) (3,4). PRR activation induces downstream signaling, including protein phosphorylation, changes in ion flux, production of reactive oxygen species, transcriptional reprogramming, vesicle transport for polarized delivery of newly synthesized antimicrobial compounds and pathogenesis-related proteins, as well as cell wall reinforcement (5).…”

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Signaling from the plasma-membrane localized plant immune receptor RPM1 requires self-association of the full-length protein

Kasmi

Chung

Anderson

et al. 2017

Proc. Natl. Acad. Sci. U.S.A.

112

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Plants evolved intracellular immune receptors that belong to the NOD-like receptor (NLR) family to recognize the presence of pathogenderived effector proteins. NLRs possess an N-terminal Toll-like/IL-1 receptor (TIR) or a non-TIR domain [some of which contain coiled coils (CCs)], a central nucleotide-binding (NB-ARC) domain, and a C-terminal leucine-rich repeat (LRR). Activation of NLR proteins results in a rapid and high-amplitude immune response, eventually leading to host cell death at the infection site, the so-called hypersensitive response. Despite their important contribution to immunity, the exact mechanisms of NLR activation and signaling remain unknown and are likely heterogenous. We undertook a detailed structure-function analysis of the plasma membrane (PM)-localized CC NLR Resistance to Pseudomonas syringae pv. maculicola 1 (RPM1) using both stable transgenic Arabidopsis and transient expression in Nicotiana benthamiana. We report that immune signaling is induced only by activated full-length PM-localized RPM1. Our interaction analyses demonstrate the importance of a functional P-loop for in planta interaction of RPM1 with the small host protein RPM1-interacting protein 4 (RIN4), for constitutive preactivation and postactivation self-association of RPM1 and for proper PM localization. Our results reveal an additive effect of hydrophobic conserved residues in the CC domain for RPM1 function and RPM1 self-association and their necessity for RPM1-RIN4 interaction. Thus, our findings considerably extend our understanding of the mechanisms regulating NLR activation at, and signaling from, the PM.plant immunity | effector-triggered immunity | NLR receptor | oligomerization | Arabidopsis thaliana

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“…Tang et al (2017) review recent work on plant RLKs, with a focus on plant-pathogen interactions. The authors present an extended list of known PRRs involved in plant immunity, review their mechanism of action (ligand binding and the formation and regulation of PRR receptor complexes), and highlight new approaches for discovering microbial patterns and their cognate plant PRRs.…”

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confidence: 99%

“…RBOH, respiratory burst oxidase homolog; JA, jasmonic acid; SA, salicylic acid; IAA, indole acetic acid; GA, gibberellic acid. (Figure adapted Corwin and Kliebenstein [2017] and Figure 1 of Tang et al [2017].) OPEN Articles can be viewed without a subscription.…”

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confidence: 99%

The Plant Cell Reviews Plant Immunity: Receptor-Like Kinases, ROS-RLK Crosstalk, Quantitative Resistance, and the Growth/Defense Trade-Off

Eckardt¹

2017

Plant Cell

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Receptor Kinases in Plant-Pathogen Interactions: More Than Pattern Recognition

Cited by 587 publications

References 238 publications

Redox Control of Aphid Resistance through Altered Cell Wall Composition and Nutritional Quality

Redox Control of Aphid Resistance through Altered Cell Wall Composition and Nutritional Quality

Signaling from the plasma-membrane localized plant immune receptor RPM1 requires self-association of the full-length protein

The Plant Cell Reviews Plant Immunity: Receptor-Like Kinases, ROS-RLK Crosstalk, Quantitative Resistance, and the Growth/Defense Trade-Off

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