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The Molecular Role of Plant Receptors in Resistance to Biotic...
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The Molecular Role of Plant Receptors in Resistance to Biotic Stress

A special issue of Plants (ISSN 2223-7747). This special issue belongs to the section "Plant Protection and Biotic Interactions".

Deadline for manuscript submissions: closed (30 November 2023) | Viewed by 2799

Special Issue Editors

Dr. Shuguo Hou

E-Mail Website
Guest Editor
Institute of Advanced Agricultural Sciences, Peking University, Beijing, China
Interests: phytocytokine; plant-microbe interactions; signalling peptide; receptor-like kinase
Dr. Guangyuan Xu

E-Mail Website
Guest Editor
Department of Plant Pathology, China Agricultural University, Beijing, China
Interests: pattern recognition receptors; plant pathology; disease resistance

Special Issue Information

Dear Colleagues,

To defend against constant biotic challenges, plants employ numerous cell-surface resident pattern recognition receptors (PRR) and intracellular nucleotide-binding domain leucine-rich repeat-containing receptors (NLRs) to perceive biotic attack-associated signals and, subsequently, initiate patterns-triggered immunity (PTI) and effectors-triggered-immunity (ETI), respectively. Recently, several ground-breaking and attractive studies showed that these two classes of receptors intricately cooperated to ensure robust immune responses, although they possess special roles in plant immunity. However, there are still many mysteries covering the PRR- or NLR-mediated plant immunity against biotic stress to be unveiled. The Special Issue on “The Molecular Role of Plant Receptors in Resistance to Biotic Stress” welcomes the submission of research on the PRRs and NLRs or their partners mediated plant immune responses against biotic stress from microbes, herbivores, viruses, nematodes, or parasitic plants. The Special Issue will also cover the studies on the structure, evolution, and distribution of two classes of receptors in various plant species. We are also interested in the pathogen-/damage-/microbe-/herbivore-associated molecular patterns (PAMPs/DAMPs/MAMPs/HAMPs...), phytocytokines, and effectors that can trigger PTI or ETI in plants. Research in elucidating how pathogens overcome plant receptor-mediated immune response by secreting both proteinaceous and non-proteinaceous effectors molecules is highly encouraged for submission.

Dr. Shuguo Hou
Dr. Guangyuan Xu
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Plants is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2700 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • pattern recognition receptors (PRRs)
  • NBS-LRR/NLR
  • plant immunity
  • pattern/effector triggered immunity (PTI/ETI)
  • effectors
  • phytocytoikines
  • PAMPs/DAMPs/MAMPs/HAMPs
  • biotic stress

Published Papers (2 papers)

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Research

23 pages, 17336 KiB  
Article
Genome-Wide Identification and Expression Analysis of RLCK-VII Subfamily Genes Reveal Their Roles in Stress Responses of Upland Cotton
by Yuhan Cen, Shiyi Geng, Linying Gao, Xinyue Wang, Xin Yan, Yuxia Hou and Ping Wang
Plants 2023, 12(17), 3170; https://doi.org/10.3390/plants12173170 - 4 Sep 2023
Viewed by 1120
Abstract
Receptor-like cytoplasmic kinase VII (RLCK-VII) subfamily members are vital players in plant innate immunity and are also involved in plant development and abiotic stress tolerance. As a widely cultivated textile crop, upland cotton (Gossypium hirsutum) attaches great importance to the cotton [...] Read more.
Receptor-like cytoplasmic kinase VII (RLCK-VII) subfamily members are vital players in plant innate immunity and are also involved in plant development and abiotic stress tolerance. As a widely cultivated textile crop, upland cotton (Gossypium hirsutum) attaches great importance to the cotton industry worldwide. To obtain details of the composition, phylogeny, and putative function of RLCK-VII genes in upland cotton, genome-wide identification, evolutionary event analysis, and expression pattern examination of RLCK-VII subfamily genes in G. hirsutum were performed. There are 129 RLCK-VII members in upland cotton (GhRLCKs) and they were divided into nine groups based on their phylogenetic relationships. The gene structure and sequence features are relatively conserved within each group, which were divided based on their phylogenetic relationships, and consistent with those in Arabidopsis. The phylogenetic analysis results showed that RLCK-VII subfamily genes evolved in plants before the speciation of Arabidopsis and cotton, and segmental duplication was the major factor that caused the expansion of GhRLCKs. The diverse expression patterns of GhRLCKs in response to abiotic stresses (temperature, salt, and drought) and V. dahliae infection were observed. The candidates that may be involved in cotton’s response to these stresses are highlighted. GhRLCK7 (GhRLCK7A and D), which is notably induced by V. dahliae infection, was demonstrated to positively regulate cotton defense against V. dahliae by the loss-of-function assay in cotton. These findings shed light on the details of the RLCK-VII subfamily in cotton and provide a scaffold for the further function elucidation and application of GhRLCKs for the germplasm innovation of cotton. Full article
(This article belongs to the Special Issue The Molecular Role of Plant Receptors in Resistance to Biotic Stress)
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17 pages, 3673 KiB  
Article
Integrated Transcriptome and Metabolome Analyses Reveal Details of the Molecular Regulation of Resistance to Stem Nematode in Sweet Potato
by Shouchen Qiao, Jukui Ma, Yannan Wang, Jingwei Chen, Zhihe Kang, Qianqian Bian, Jinjin Chen, Yumeng Yin, Guozheng Cao, Guorui Zhao, Guohong Yang, Houjun Sun and Yufeng Yang
Plants 2023, 12(10), 2052; https://doi.org/10.3390/plants12102052 - 22 May 2023
Cited by 2 | Viewed by 1298
Abstract
Stem nematode disease can seriously reduce the yield of sweet potato (Ipomoea batatas (L.) Lam). To explore resistance mechanism to stem nematode in sweet potato, transcriptomes and metabolomes were sequenced and compared between two sweet potato cultivars, the resistant Zhenghong 22 and [...] Read more.
Stem nematode disease can seriously reduce the yield of sweet potato (Ipomoea batatas (L.) Lam). To explore resistance mechanism to stem nematode in sweet potato, transcriptomes and metabolomes were sequenced and compared between two sweet potato cultivars, the resistant Zhenghong 22 and susceptible Longshu 9, at different times after stem nematode infection. In the transcriptional regulatory pathway, mitogen-activated protein kinase signaling was initiated in Zhenghong 22 at the early stage of infection to activate genes related to ethylene production. Stem nematode infection in Zhenghong 22 also triggered fatty acid metabolism and the activity of respiratory burst oxidase in the metabolic pathway, which further stimulated the glycolytic and shikimic pathways to provide raw materials for secondary metabolite biosynthesis. An integrated analysis of the secondary metabolic regulation pathway in the resistant cultivar Zhenghong 22 revealed the accumulation of tryptophan, phenylalanine, and tyrosine, leading to increased biosynthesis of phenylpropanoids and salicylic acid and enhanced activity of the alkaloid pathway. Stem nematode infection also activated the biosynthesis of terpenoids, abscisic acid, zeatin, indole, and brassinosteroid, resulting in improved resistance to stem nematode. Finally, analyses of the resistance regulation pathway and a weighted gene co-expression network analysis highlighted the importance of the genes itf14g17940 and itf12g18840, encoding a leucine-rich receptor-like protein and 1-aminocyclopropane-1-carboxylate synthase, respectively. These are candidate target genes for increasing the strength of the defense response. These results provide new ideas and a theoretical basis for understanding the mechanism of resistance to stem nematode in sweet potato. Full article
(This article belongs to the Special Issue The Molecular Role of Plant Receptors in Resistance to Biotic Stress)
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