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Plants
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Plant–Pathogen Interactions in Plant Breeding
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Plant–Pathogen Interactions in Plant Breeding

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 (31 August 2021) | Viewed by 8187

Special Issue Editor

Dr. Leonardo Miguel Galindo-González

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Guest Editor
Molecular Identification Research Laboratory, Canadian Food Inspection Agency, Ottawa, ON K2H 8P9, Canada
Interests: plant responses to stress; plant–microbe interactions; plant pathology; omics; plant molecular biology; next-generation sequencing; transposable elements; genome evolution
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The associations between plants and pathogens are important for plant productivity and plant breeding strategies. Traditional breeding has allowed the introduction of resistance in plant cultivars and varieties, but new technologies are opening the way for accelerating the development of novel breeding strategies (e.g., omic technologies). A system-based view of plant defense mechanisms and the strategies used by pathogens for plant colonization are essential to target key players that can be modified to understand gene function and to increase host resistance.

In this Special Issue, we welcome articles (original research papers, perspectives, reviews, methods) in cell biology, molecular biology, omics (genomics, transcriptomics, proteomics, metabolomics), genetics, and physiology to understand the interactions between plants and pathogens and/or provide strategies for plant breeding or improving pathogen characterization and diagnostics.

Dr. Leonardo Miguel Galindo-González
Guest Editor

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

  • plant–pathogen interactions
  • plant–microbe interactions
  • plant response to pathogens
  • pathogen infection mechanisms
  • genomics
  • transcriptomics
  • proteomics
  • metabolomics
  • pathogen diagnostics

Published Papers (3 papers)

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Research

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14 pages, 1507 KiB  
Article
Analysis of Host-Specific Differentiation of Puccinia striiformis in the South and North-West of the European Part of Russia
by Elena Gultyaeva, Ekaterina Shaydayuk, Philipp Gannibal and Evsey Kosman
Plants 2021, 10(11), 2497; https://doi.org/10.3390/plants10112497 - 18 Nov 2021
Cited by 4 | Viewed by 1638
Abstract
Yellow (stripe) rust, caused by Puccinia striiformis Westend. (Pst), is a major disease of cereals worldwide. We studied Pst virulence phenotypes on Triticum aestivum, Triticum durum, and triticale in three geographically distant regions of the European part of Russia [...] Read more.
Yellow (stripe) rust, caused by Puccinia striiformis Westend. (Pst), is a major disease of cereals worldwide. We studied Pst virulence phenotypes on Triticum aestivum, Triticum durum, and triticale in three geographically distant regions of the European part of Russia (Dagestan and Krasnodar in North Caucasus, and Northwest) with different climate and environmental conditions. Based on the set of twenty differential lines, a relatively high level of population diversity was determined with 67 different Pst pathotypes identified among 141 isolates. Only seven pathotypes were shared by at least two hosts or occurred in the different regions. No significant differentiation was found between regional Pst collections of pathotypes either from T. aestivum or from T. durum. A set of Pst pathotypes from triticale was subdivided into two groups. One of them was indistinguishable from most durum and common wheat pathotypes, whereas the second group differed greatly from all other pathotypes. All sampled Pst isolates were avirulent on lines with Yr5, Yr10, Yr15, and Yr24 genes. Significant variation in virulence frequency among all Pst collections was observed on lines containing Yr1, Yr3, Yr17, Yr27, and YrSp genes and cvs Strubes Dickkopf, Carstens V, and Nord Desprez. Relationships between Russian regional collections of Pst from wheat did not conform to those for P. triticina. Full article
(This article belongs to the Special Issue Plant–Pathogen Interactions in Plant Breeding)
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21 pages, 25917 KiB  
Article
Genome Analysis of Phytophthora nicotianae JM01 Provides Insights into Its Pathogenicity Mechanisms
by Xiao-Long Yuan, Cheng-Sheng Zhang, Fan-Yu Kong, Zhong-Feng Zhang and Feng-Long Wang
Plants 2021, 10(8), 1620; https://doi.org/10.3390/plants10081620 - 06 Aug 2021
Cited by 4 | Viewed by 2244
Abstract
Phytophthora nicotianae is a widely distributed plant pathogen that can cause serious disease and cause significant economic losses to various crops, including tomatoes, tobacco, onions, and strawberries. To understand its pathogenic mechanisms and explore strategies for controlling diseases caused by this pathogen, we [...] Read more.
Phytophthora nicotianae is a widely distributed plant pathogen that can cause serious disease and cause significant economic losses to various crops, including tomatoes, tobacco, onions, and strawberries. To understand its pathogenic mechanisms and explore strategies for controlling diseases caused by this pathogen, we sequenced and analyzed the whole genome of Ph. nicotianae JM01. The Ph. nicotianae JM01 genome was assembled using a combination of approaches including shotgun sequencing, single-molecule sequencing, and the Hi-C technique. The assembled Ph. nicotianae JM01 genome is about 95.32 Mb, with contig and scaffold N50 54.23 kb and 113.15 kb, respectively. The average GC content of the whole-genome is about 49.02%, encoding 23,275 genes. In addition, we identified 19.15% of interspersed elements and 0.95% of tandem elements in the whole genome. A genome-wide phylogenetic tree indicated that Phytophthora diverged from Pythium approximately 156.32 Ma. Meanwhile, we found that 252 and 285 gene families showed expansion and contraction in Phytophthora when compared to gene families in Pythium. To determine the pathogenic mechanisms Ph. nicotianae JM01, we analyzed a suite of proteins involved in plant–pathogen interactions. The results revealed that gene duplication contributed to the expansion of Cell Wall Degrading Enzymes (CWDEs) such as glycoside hydrolases, and effectors such as Arg-Xaa-Leu-Arg (RXLR) effectors. In addition, transient expression was performed on Nicotiana benthamiana by infiltrating with Agrobacterium tumefaciens cells containing a cysteine-rich (SCR) protein. The results indicated that SCR can cause symptoms of hypersensitive response. Moreover, we also conducted comparative genome analysis among four Ph. nicotianae genomes. The completion of the Ph. nicotianae JM01 genome can not only help us understand its genomic characteristics, but also help us discover genes involved in infection and then help us understand its pathogenic mechanisms. Full article
(This article belongs to the Special Issue Plant–Pathogen Interactions in Plant Breeding)
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Review

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21 pages, 2766 KiB  
Review
Current and Future Pathotyping Platforms for Plasmodiophora brassicae in Canada
by Heather H. Tso, Leonardo Galindo-González and Stephen E. Strelkov
Plants 2021, 10(7), 1446; https://doi.org/10.3390/plants10071446 - 15 Jul 2021
Cited by 7 | Viewed by 3066
Abstract
Clubroot, caused by Plasmodiophora brassicae, is one of the most detrimental threats to crucifers worldwide and has emerged as an important disease of canola (Brassica napus) in Canada. At present, pathotypes are distinguished phenotypically by their virulence patterns on host [...] Read more.
Clubroot, caused by Plasmodiophora brassicae, is one of the most detrimental threats to crucifers worldwide and has emerged as an important disease of canola (Brassica napus) in Canada. At present, pathotypes are distinguished phenotypically by their virulence patterns on host differential sets, including the systems of Williams, Somé et al., the European Clubroot Differential set, and most recently the Canadian Clubroot Differential set and the Sinitic Clubroot Differential set. Although these are frequently used because of their simplicity of application, they are time-consuming, labor-intensive, and can lack sensitivity. Early, preventative pathotype detection is imperative to maximize productivity and promote sustainable crop production. The decreased turnaround time and increased sensitivity and specificity of genotypic pathotyping will be valuable for the development of integrated clubroot management plans, and interest in molecular techniques to complement phenotypic methods is increasing. This review provides a synopsis of current and future molecular pathotyping platforms for P. brassicae and aims to provide information on techniques that may be most suitable for the development of rapid, reliable, and cost-effective pathotyping assays. Full article
(This article belongs to the Special Issue Plant–Pathogen Interactions in Plant Breeding)
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