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Viruses
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Molecular Virus-Insect Interactions, 2nd Edition
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Molecular Virus-Insect Interactions, 2nd Edition

A special issue of Viruses (ISSN 1999-4915). This special issue belongs to the section "Invertebrate Viruses".

Deadline for manuscript submissions: 30 June 2025 | Viewed by 2174

Special Issue Editor

Dr. Li-Long Pan

E-Mail Website
Guest Editor
Institute of Insect Sciences, Zhejiang University, Hangzhou 310058, China
Interests: transmission of plant viruses by insect vectors; insect vector-virus-plant tripartite interactions
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The Special Issue "Molecular Virus–Insect Interactions", which was launched last year, collected several interesting manuscripts regarding this topic. It is a great pleasure to introduce a second volume of this Special Issue dedicated to the interplay between insects and viruses of various origins. Similar to the first volume, this volume continues to focus on (1) insect interaction with plant viruses vectored by insects, preferably factors and mechanisms governing virus transmission by insect vectors; (2) insect interaction with entomopathogenic viruses, with an emphasis on the molecular warfare with the viruses and the insect hosts; (3) insect interaction with insect-specific viruses, in particular their comprehensive profiling and functional characterization. This Special Issue is devoted to the significant new developments in molecular virus–insect interactions, and both research and review articles are welcome. 

Dr. Li-Long Pan
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. 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

  • plant virus-insect vector interactions
  • virus transmission
  • entomopathogenic virus-insect host interactions
  • insect-specific viruses
  • induction and suppression of immune responses

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Published Papers (2 papers)

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Research

12 pages, 2363 KiB  
Article
Transcriptional Modulation of Plant Defense Genes by a Bipartite Begomovirus Promotes the Performance of Its Whitefly Vector
by Wen-Ze He, Shu-Sheng Liu and Li-Long Pan
Viruses 2024, 16(11), 1654; https://doi.org/10.3390/v16111654 - 23 Oct 2024
Viewed by 879
Abstract
The majority of plant viruses rely on insect vectors for inter-plant transmission. Amid virus transmission, vector-borne viruses such as begomoviruses may significantly modulate host plants in various ways and, in turn, plant palatability to insect vectors. While many case studies on monopartite begomoviruses [...] Read more.
The majority of plant viruses rely on insect vectors for inter-plant transmission. Amid virus transmission, vector-borne viruses such as begomoviruses may significantly modulate host plants in various ways and, in turn, plant palatability to insect vectors. While many case studies on monopartite begomoviruses are available, bipartite begomoviruses are understudied. More importantly, detailed elucidation of the molecular mechanisms involved is limited. Here, we report the mechanisms by which an emerging bipartite begomovirus, the Sri Lankan cassava mosaic virus (SLCMV), modulates plant defenses against whitefly. SLCMV infection of tobacco (Nicotiana tabacum) plants significantly downregulated defenses against whitefly, as whitefly survival and fecundity increased significantly on virus-infected plants when compared to the controls. We then profiled SLCMV-induced transcriptomic changes in plants and identified a repertoire of differentially expressed genes (DEGs). GO enrichment analysis of DEGs demonstrated that the term defense response was significantly enriched. Functional analysis of DEGs associated with defense response revealed that four downregulated DEGs, including putative late blight resistance protein homolog R1B-17 (R1B-17), polygalacturonase inhibitor-like (PGI), serine/threonine protein kinase CDL1-like (CDL1), and Systemin B, directly contributed to plant defenses against whitefly. Taken together, our findings elucidate the role of novel plant factors involved in the modulation of plant defenses against whitefly by a bipartite begomovirus and shed new light on insect vector–virus–host plant tripartite interactions. Full article
(This article belongs to the Special Issue Molecular Virus-Insect Interactions, 2nd Edition)
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21 pages, 4976 KiB  
Article
Characterization of the Virome Associated with the Ubiquitous Two-Spotted Spider Mite, Tetranychus urticae
by Lucas Yago Melo Ferreira, Anderson Gonçalves de Sousa, Joannan Lima Silva, João Pedro Nunes Santos, David Gabriel do Nascimento Souza, Lixsy Celeste Bernardez Orellana, Sabrina Ferreira de Santana, Lara Beatriz Correia Moreira de Vasconcelos, Anibal Ramadan Oliveira and Eric Roberto Guimarães Rocha Aguiar
Viruses 2024, 16(10), 1532; https://doi.org/10.3390/v16101532 - 27 Sep 2024
Viewed by 987
Abstract
Agricultural pests can cause direct damage to crops, including chlorosis, loss of vigor, defoliation, and wilting. In addition, they can also indirectly damage plants, such as by transmitting pathogenic micro-organisms while feeding on plant tissues, affecting the productivity and quality of crops and [...] Read more.
Agricultural pests can cause direct damage to crops, including chlorosis, loss of vigor, defoliation, and wilting. In addition, they can also indirectly damage plants, such as by transmitting pathogenic micro-organisms while feeding on plant tissues, affecting the productivity and quality of crops and interfering with agricultural production. Among the known arthropod pests, mites are highly prevalent in global agriculture, particularly those from the Tetranychidae family. The two-spotted spider mite, Tetranychus urticae, is especially notorious, infesting about 1600 plant species and causing significant agricultural losses. Despite its impact on agriculture, the virome of T. urticae is poorly characterized in the literature. This lack of knowledge is concerning, as these mites could potentially transmit plant-infecting viral pathogens, compromising food security and complicating integrated pest management efforts. Our study aimed to characterize the virome of the mite T. urticae by taking advantage of publicly available RNA deep sequencing libraries. A total of 30 libraries were selected, covering a wide range of geographic and sampling conditions. The library selection step included selecting 1 control library from each project in the NCBI SRA database (16 in total), in addition to the 14 unique libraries from a project containing field-collected mites. The analysis was conducted using an integrated de novo virus discovery bioinformatics pipeline developed by our group. This approach revealed 20 viral sequences, including 11 related to new viruses. Through phylogenetic analysis, eight of these were classified into the Nodaviridae, Kitaviridae, Phenuiviridae, Rhabdoviridae, Birnaviridae, and Qinviridae viral families, while three were characterized only at the order level within Picornavirales and Reovirales. The remaining nine viral sequences showed high similarity at the nucleotide level with known viral species, likely representing new strains of previously characterized viruses. Notably, these include the known Bean common mosaic virus (BCMV) and Phaseolus vulgaris alphaendornavirus 1, both of which have significant impacts on bean agriculture. Altogether, our results expand the virome associated with the ubiquitous mite pest T. urticae and highlight its potential role as a transmitter of important plant pathogens. Our data emphasize the importance of continuous virus surveillance for help in the preparedness of future emerging threats. Full article
(This article belongs to the Special Issue Molecular Virus-Insect Interactions, 2nd Edition)
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