Fungal Pathogenicity Factors: 2nd Edition

A special issue of Pathogens (ISSN 2076-0817). This special issue belongs to the section "Fungal Pathogens".

Deadline for manuscript submissions: 31 December 2024 | Viewed by 689

Special Issue Editors

College of Horticulture and Landscape Architecture, Southwest University, Chongqing 400715, China
Interests: plant cytoskeleton mediated innate immunity
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Guest Editor
Department of Plant Protection, College of Agronomy, Sichuan Agricultural University, Chengdu 611130, China
Interests: plant and pathogen interaction; plant rhizosphere immunity

Special Issue Information

Dear Colleagues,

Phytopathogenic fungi are known as the most important agents of plant diseases worldwide. Aggressive fungi often infect their hosts via multiple developmental processes requiring the activities of fungal pathogenicity factors which either remain inside the fungus or are secreted into the host cell. In general, fungal pathogenic factors can be classified as penetration effectors, mycotoxins, enzymes degrading the host cell wall, or signal transduction components and other factors. Over the past two decades, numerous studies have focused on discovering novel pathogenicity factors, explaining their functions and interaction with plant hosts, and ultimately designing some targeted fungicide based on these factors.

On the plant side, the zig–zag model of the plant–pathogen interaction, proposed in 2006, reveals plant innate immunity at cellular and molecular levels within cells. The classic CODIT (compartmentalization of decay in trees) model, originally proposed in 1977, explaining the mechanism of compartmentalization taking place following wounding and infection by decaying fungal pathogens is still far from being fully understood. With the state-of-the-art technology, e.g., single-cell sequencing and the latest molecular cell biology evidence to illustrate the plant innate responses at a tissue level, is promising.

This Special Issue will summarize the current knowledge of phytopathogenic fungi and plant innate immunity, and aim to answer some of the many open questions on fungal pathogenicity factors and their functions in terms of the identification of new fungi species, fungi pathogenicity factors and functions, population diversity and evolution, and interactions with plants. In addition, this Special Issue will cover the epidemiology and prevention of fungal diseases, and new techniques and products used in fungal disease control. All types of articles will be considered for publication, including short reports, primary research articles and reviews.

We are looking forward to your contributions.

Dr. Xin Guan
Dr. Xiaoli Chang
Guest Editors

Manuscript Submission Information

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Keywords

  • pathogenicity factor
  • effectors
  • mycotoxins
  • pathogenesis
  • fungicides
  • plant
  • innate immunity
  • vascular bundle
  • stress responses
  • plant–pathogen interaction

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Published Papers (1 paper)

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Research

14 pages, 1497 KiB  
Article
A Simulation Study to Reveal the Epidemiology and Aerosol Transmission Characteristics of Botrytis cinerea in Grape Greenhouses
by Lifang Yuan, Hang Jiang, Tinggang Li, Qibao Liu, Xilong Jiang, Xing Han, Yanfeng Wei, Xiangtian Yin and Suna Wang
Pathogens 2024, 13(6), 505; https://doi.org/10.3390/pathogens13060505 - 13 Jun 2024
Viewed by 448
Abstract
Most previously studies had considered that plant fungal disease spread widely and quickly by airborne fungi spore. However, little is known about the release dynamics, aerodynamic diameter, and pathogenicity threshold of fungi spore in air of the greenhouse environment. Grape gray mold is [...] Read more.
Most previously studies had considered that plant fungal disease spread widely and quickly by airborne fungi spore. However, little is known about the release dynamics, aerodynamic diameter, and pathogenicity threshold of fungi spore in air of the greenhouse environment. Grape gray mold is caused by Botrytis cinerea; the disease spreads in greenhouses by spores in the air and the spore attaches to the leaf and infects plant through the orifice. In this study, 120 μmol/L propidium monoazide (PMA) were suitable for treatment and quantitation viable spore by quantitative real-time PCR, with a limit detection of 8 spores/mL in spore suspension. In total, 93 strains of B. cinerea with high pathogenicity were isolated and identified from the air samples of grapevines greenhouses by a portable sampler. The particle size of B. cinerea aerosol ranged predominately from 0.65–3.3 μm, accounting for 71.77% of the total amount. The B. cinerea spore aerosols were infective to healthy grape plants, with the lowest concentration that could cause disease being 42 spores/m3. Botrytis cinerea spores collected form six greenhouse in Shandong Province were quantified by PMA-qPCR, with a higher concentration (1182.89 spores/m3) in May and June and a lower concentration in July and August (6.30 spores/m3). This study suggested that spore dispersal in aerosol is an important route for the epidemiology of plant fungal disease, and these data will contribute to the development of new strategies for the effective alleviation and control of plant diseases. Full article
(This article belongs to the Special Issue Fungal Pathogenicity Factors: 2nd Edition)
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