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Journals
Viruses
Special Issues
Diversity and Coinfections of Plant or Fungal Viruses 2023
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Diversity and Coinfections of Plant or Fungal Viruses 2023

A special issue of Viruses (ISSN 1999-4915). This special issue belongs to the section "Viruses of Plants, Fungi and Protozoa".

Deadline for manuscript submissions: closed (15 April 2024) | Viewed by 4763

Special Issue Editors

Dr. Islam Hamim

E-Mail Website
Guest Editor
1. Department of Plant Pathology, Bangladesh Agricultural University, Mymensingh, Bangladesh
2. Laboratory of Plant Pathology, Tokyo University of Agriculture and Technology, Tokyo 183-8509, Japan
Interests: virology; plant pathology; insect/pollinator pathology; plant-microbe interactions; pesticide resistance; biodiversity and ecology of agriculture landscape
Special Issues, Collections and Topics in MDPI journals
Dr. Ken Komatsu

E-Mail Website
Guest Editor
Laboratory of Plant Pathology, Tokyo University of Agriculture and Technology, Tokyo 183-8509, Japan
Interests: plant pathology; plant virology; molecular biology
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Hiromitsu Moriyama

E-Mail Website
Guest Editor
Laboratory of Molecular and Cellular Biology, Department of Applied Biological Sciences, Tokyo University of Agriculture and Technology, Tokyo 183-8509, Japan
Interests: plant protection science; applied microbiology; applied molecular cell biology
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The genetic background of a virus in an infected plant or fungus is not uniform. The highly heterogeneous nature of virus populations affects symptom expressions in a host. Indeed, a virus isolated from a single plant often exhibits genomic sequence differences within sub-isolates and can impact phenotypic changes in a host. Coinfection with another virus alters symptom expression in a host plant, resulting in more severe symptoms and, eventually, worse disease consequences. Coinfections among fungal viruses may be also generated by two or more viruses that are phylogenetically diverse, and are very frequent in the field, sometimes even in laboratory conditions.

Therefore, the goal of this Special Issue is to invite respective scientists to submit original research articles, short communications, case studies, and reviews regarding plant or fungal viruses. Manuscripts concerning a single virus or a mixture of viruses covering either individual or multiple host species are welcomed. The scope of this Special Issue includes, but is not limited to:

  • The detection, diversity, and biology of viruses;
  • Virus emergence, ecology, and evolution;
  • Diversity or co-infection or function of a virus or viruses;
  • Mechanisms of altered symptoms or phenotypic changes caused by interaction between different virus species or virus variants;
  • Pathogenesis and management of viruses or virus-like agents or virus variants.

Dr. Islam Hamim
Dr. Ken Komatsu
Prof. Dr. Hiromitsu Moriyama
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. Viruses 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 2600 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

  • diagnosis
  • surveillance
  • molecular mechanism
  • viroid
  • subviral agents
  • mycoviruses
  • biological control
  • pesticide resistance
  • antiviral defense mechanism
  • population genetics
  • recombination
  • gene expressions
  • host range

Published Papers (3 papers)

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Research

18 pages, 5621 KiB  
Article
Exploring Tomato Fruit Viromes through Transcriptome Data Analysis
by Yeonhwa Jo, Hoseong Choi, Bong Choon Lee, Jin-Sung Hong, Sang-Min Kim and Won Kyong Cho
Viruses 2023, 15(11), 2139; https://doi.org/10.3390/v15112139 - 24 Oct 2023
Viewed by 1102
Abstract
This study delves into the complex landscape of viral infections in tomatoes (Solanum lycopersicum) using available transcriptome data. We conducted a virome analysis, revealing 219 viral contigs linked to four distinct viruses: tomato chlorosis virus (ToCV), southern tomato virus (STV), tomato [...] Read more.
This study delves into the complex landscape of viral infections in tomatoes (Solanum lycopersicum) using available transcriptome data. We conducted a virome analysis, revealing 219 viral contigs linked to four distinct viruses: tomato chlorosis virus (ToCV), southern tomato virus (STV), tomato yellow leaf curl virus (TYLCV), and cucumber mosaic virus (CMV). Among these, ToCV predominated in contig count, followed by STV, TYLCV, and CMV. A notable finding was the prevalence of coinfections, emphasizing the concurrent presence of multiple viruses in tomato plants. Despite generally low viral levels in fruit transcriptomes, STV emerged as the primary virus based on viral read count. We delved deeper into viral abundance and the contributions of RNA segments to replication. While initially focused on studying the impact of sound treatment on tomato fruit transcriptomes, the unexpected viral presence underscores the importance of considering viruses in plant research. Geographical variations in virome communities hint at potential forensic applications. Phylogenetic analysis provided insights into viral origins and genetic diversity, enhancing our understanding of the Korean tomato virome. In conclusion, this study advances our knowledge of the tomato virome, stressing the need for robust pest control in greenhouse-grown tomatoes and offering insights into virus management and crop protection. Full article
(This article belongs to the Special Issue Diversity and Coinfections of Plant or Fungal Viruses 2023)
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16 pages, 4180 KiB  
Article
Horizontal and Vertical Transmission of a Mycovirus Closely Related to the Partitivirus RhsV717 That Confers Hypovirulence in Rhizoctonia solani
by Aili Sun, Lianjing Zhao, Yang Sun, Yingrui Chen, Chengyun Li, Wenhan Dong and Genhua Yang
Viruses 2023, 15(10), 2088; https://doi.org/10.3390/v15102088 - 13 Oct 2023
Cited by 1 | Viewed by 897
Abstract
Rhizoctonia solani virus717 (RhsV717) was isolated from the Rhizoctonia solani (R. solani) AG-2 strain Rhs717. This study isolated a virus designated as Rhizoctonia solani partitivirus BS-5 (RsPV-BS5) from the R. solani AG-3 strain BS-5, the causal agent of tobacco target spot [...] Read more.
Rhizoctonia solani virus717 (RhsV717) was isolated from the Rhizoctonia solani (R. solani) AG-2 strain Rhs717. This study isolated a virus designated as Rhizoctonia solani partitivirus BS-5 (RsPV-BS5) from the R. solani AG-3 strain BS-5, the causal agent of tobacco target spot disease. The virus was identified as a strain of RhsV717. Transmission electron microscopy (TEM) images showed that RsPV-BS5 had virus particles with a diameter of approximately 40 nm. Importantly, it can be horizontally transmitted through hyphal anastomosis and vertically transmitted via sexual basidiospores. Furthermore, this study demonstrated that RsPV-BS5 infection significantly impedes mycelial growth and induces hypovirulence in tobacco leaves. Thus, RsPV-BS5 presents a promising avenue for biocontrolling tobacco target spot disease. Transcriptome analysis unveiled differential expression of four genes related to cell wall-degrading enzymes between two isogenic strains, 06-2-15V and 06-2-15. These findings shed light on the molecular mechanism through which RsPV-BS5 reduces host pathogenicity. Full article
(This article belongs to the Special Issue Diversity and Coinfections of Plant or Fungal Viruses 2023)
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19 pages, 11019 KiB  
Article
Molecular Analysis of the Global Population of Potato Virus S Redefines Its Phylogeny, and Has Crop Biosecurity Implications
by Şerife Topkaya, Ali Çelik, Adyatma Irawan Santosa and Roger A. C. Jones
Viruses 2023, 15(5), 1104; https://doi.org/10.3390/v15051104 - 30 Apr 2023
Cited by 7 | Viewed by 1989
Abstract
In 2020, 264 samples were collected from potato fields in the Turkish provinces of Bolu, Afyon, Kayseri and Niğde. RT-PCR tests, with primers which amplified its coat protein (CP), detected potato virus S (PVS) in 35 samples. Complete CP sequences were obtained from [...] Read more.
In 2020, 264 samples were collected from potato fields in the Turkish provinces of Bolu, Afyon, Kayseri and Niğde. RT-PCR tests, with primers which amplified its coat protein (CP), detected potato virus S (PVS) in 35 samples. Complete CP sequences were obtained from 14 samples. Phylogenetic analysis using non-recombinant sequences of (i) the 14 CP’s, another 8 from Tokat province and 73 others from GenBank; and (ii) 130 complete ORF, RdRp and TGB sequences from GenBank, found that they fitted within phylogroups, PVSI, PVSII or PVSIII. All Turkish CP sequences were in PVSI, clustering within five subclades. Subclades 1 and 4 were in three to four provinces, whereas 2, 3 and 5 were in one province each. All four genome regions were under strong negative selection constraints (ω = 0.0603–0.1825). Considerable genetic variation existed amongst PVSI and PVSII isolates. Three neutrality test methods showed PVSIII remained balanced whilst PVSI and PVSII underwent population expansion. The high fixation index values assigned to all PVSI, PVSII and PVSIII comparisons supported subdivision into three phylogroups. As it spreads more readily by aphid and contact transmission, and may elicit more severe symptoms in potato, PVSII spread constitutes a biosecurity threat for countries still free from it. Full article
(This article belongs to the Special Issue Diversity and Coinfections of Plant or Fungal Viruses 2023)
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