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Pathogens
Special Issues
Host Shifts in Plant Pathogens
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Host Shifts in Plant Pathogens

A special issue of Pathogens (ISSN 2076-0817).

Deadline for manuscript submissions: 20 July 2024 | Viewed by 2250

Special Issue Editor

Dr. Hernan Garcia-Ruiz

E-Mail Website
Guest Editor
Department of Plant Pathology, Nebraska Center for Virology, University of Nebraska-Lincoln, Lincoln, NE 68583, USA
Interests: computational biology; bioinformatics; small RNA biology; antiviral immunity; virus-host interactions; molecular virology; gene silencing

Special Issue Information

Dear Colleagues,

Plants and pathogens are in an arms race of defense and counter defense. Genetic diversity in the host population and the deployment of resistant cultivars imposes a selection pressure that results in changes in the genetic structure of pathogen populations over time. The evolution of pathogen populations is evident in the emergence of new variants, strains, or species with novel biological properties, including adaptation to new hosts. There are host, vector, environmental, and pathogen factors that contribute to evolution and host shifts.

This Special Issue is focused on the mechanism of host shifts in plant pathogens. We invite you to submit original articles and review articles. This Special Issue will provide new knowledge and fundamental concepts related to the mechanisms on host and vectors, as well as environmental factors, which contribute to host shifts.

Dr. Hernan Garcia-Ruiz
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. Pathogens is an international peer-reviewed open access monthly 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

  • pathovar
  • strain
  • cultivar
  • isolate
  • resistance breaking
  • pathogen evolution
  • host resistance

Published Papers (1 paper)

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Research

16 pages, 3819 KiB  
Article
Identification and Characterization of New Seedborne Pathogens in Phaseolus vulgaris Landraces of Southern Italy
by Eliana Dell’Olmo, Massimo Zaccardelli, Boris Basile, Giandomenico Corrado and Loredana Sigillo
Pathogens 2023, 12(1), 108; https://doi.org/10.3390/pathogens12010108 - 09 Jan 2023
Cited by 4 | Viewed by 1796
Abstract
The diagnostic survey of seedborne fungal pathogens is fundamental for symptomless material stored in gene banks to avoid the diffusion of pathogens by germplasm distribution and propagation. In this work, seeds of Southern Italian landraces of the common bean (Phaseolus vulgaris L.) [...] Read more.
The diagnostic survey of seedborne fungal pathogens is fundamental for symptomless material stored in gene banks to avoid the diffusion of pathogens by germplasm distribution and propagation. In this work, seeds of Southern Italian landraces of the common bean (Phaseolus vulgaris L.) belonging to the gene bank at CREA (Italy) were inspected to assess their phytosanitary status. The phytopathological analysis revealed the presence of the most common pathogens associated with common bean seeds such as Fusarium spp., Macrophomina phaseolina, Rhizoctonia solani, Colletotrichum lindemuthianum and Diaporthe/Phomopsis complex. However, new fungi able to completely inhibit seed germination were also observed. The most aggressive were isolated, and the morpho-pathological characterization, DNA sequencing and phylogenetic analysis allowed us to define the strains as Botryosphaeria dothidea CREA OF 360.4 and Diplodia mutila CREA OF 420.36. These two plant pathogens are generally associated with grapevines and other fruit trees. Pathogenicity tests were carried out along with a transmissibility test in which the transmission of the pathogens to the seedlings was proven. Host range experiments revealed the ability of these pathogens to infect crops such as pepper and melon. To our knowledge, this is the first time that B. dothidea and D. mutila were detected on the common bean. Full article
(This article belongs to the Special Issue Host Shifts in Plant Pathogens)
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