Diversity and Evolution of Plant and Fungal Viruses

A special issue of Microorganisms (ISSN 2076-2607). This special issue belongs to the section "Virology".

Deadline for manuscript submissions: 15 July 2025 | Viewed by 843

Special Issue Editors


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Guest Editor
Institute for Genomics, Biocomputing and Biotechnology, Mississippi State University, 2 Research Park, Mailstop 9627, MS 39762, USA
Interests: plant virus

E-Mail Website
Guest Editor
Department of Biochemistry, Molecular Biology, Entomology and Plant Pathology, Mississippi State University, 100 Twelve Lane, Mail Stop 9775, MS 39762, USA
Interests: plant viruses and fungal viruses; genomics/metagenomics; biodiversity and evolution

Special Issue Information

Dear Colleagues,

The study of plant and fungal viruses is a critical yet complex field that intersects with agriculture, plant pathology, ecology, and evolutionary biology. This Special Issue, "Diversity and Evolution of Plant and Fungal Viruses", aims to bring together cutting-edge research that explores the vast diversity of viruses affecting plants and fungi and the evolutionary mechanisms that have shaped these viral populations.

The Special Issue will delve into the genetic diversity of these viruses, their taxonomic classification, and the methods used to study their evolution. It will highlight the importance of understanding host–virus interactions, the role of viral diversity in ecological balance, and the implications for disease management in agriculture. The Issue will also explore the potential of using viral evolution as a tool for developing novel strategies in plant and fungal disease control.

We welcome submissions that provide insights into the genomics and proteomics of plant and fungal viruses, the molecular mechanisms of viral pathogenesis, and the ecological and environmental factors influencing their evolution. Studies employing innovative approaches, such as metagenomics, bioinformatics, and systems biology, in combination with traditional virological methods to dissect the complex relationships between viruses and their hosts are particularly encouraged.

Dr. Nina J Aboughanem
Prof. Dr. Sead Sabanadzovic
Guest Editors

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Keywords

  • viral diversity
  • viral evolution
  • plant viruses
  • fungal viruses
  • host–pathogen interactions
  • agricultural impact
  • ecological significance

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Published Papers (1 paper)

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Research

11 pages, 3853 KiB  
Article
Molecular and Biological Characterization of an Isolate of Fusarium graminearum dsRNA mycovirus 4 (FgV4) from a New Host Fusarium pseudograminearum
by Guoping Ma, Yueli Zhang, Liguo Ma, Kai Cui, Bo Zhang, Hang Jiang, Kai Qi and Junshan Qi
Microorganisms 2025, 13(2), 418; https://doi.org/10.3390/microorganisms13020418 - 14 Feb 2025
Cited by 1 | Viewed by 539
Abstract
Wheat Fusarium crown rot (FCR), mainly caused by Fusarium pseudograminearum, is one of the most important diseases. Some mycoviruses are reported to have a hypovirulence trait and considered as a biocontrol agent for plant fungal diseases. In most cases, mycovirus biological effects [...] Read more.
Wheat Fusarium crown rot (FCR), mainly caused by Fusarium pseudograminearum, is one of the most important diseases. Some mycoviruses are reported to have a hypovirulence trait and considered as a biocontrol agent for plant fungal diseases. In most cases, mycovirus biological effects have not been explored clearly. In this study, we identified and characterized a novel isolate of double-stranded RNA (dsRNA) mycovirus, Fusarium graminearum dsRNA mycovirus 4 (FgV4), from a new host, an isolate WC9-2 of F. pseudograminearum. The genome of FgV4-WC9-2 includes two dsRNA segments of 2194 bp and 1738 bp. FgV4-WC9-2 dsRNA1 contains a single open reading frame (ORF1), which encodes a protein of 675 amino acids (aa) and has a conserved RNA-dependent RNA polymerase (RdRp) domain. FgV4-WC9-2 dsRNA2 contains two discontinuous ORFs (ORF2-1 and ORF2-2) that code for hypothetical proteins with unknown function. Biological characteristics research has shown that FgV4-WC9-2 infection did not change the colony morphology, but it could significantly decrease colony growth rate. FgV4-WC9-2 could also reduce the sporulation ability, change the conidia size and reduce the pathogenicity of the host to a certain extent. This study is the first to describe a hypovirulence-associated orthocurvulavirus infecting F. pseudograminearum, which has the potential to assist with FCR disease biological management. Full article
(This article belongs to the Special Issue Diversity and Evolution of Plant and Fungal Viruses)
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