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Viruses
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Plant-Infecting Negative-Strand RNA Viruses
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Plant-Infecting Negative-Strand RNA Viruses

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: 31 August 2024 | Viewed by 2165

Special Issue Editors

Prof. Dr. Jeanmarie Verchot

E-Mail Website
Guest Editor
Department of Plant Pathology and Microbiology, Texas A&M University, College Station, TX, USA
Interests: plant bunyaviruses; potyviruses; potexviruses; unfolded protein response; cell biology; virus-host interactions; bioinformatics; infectious clone technology; viroids
Special Issues, Collections and Topics in MDPI journals
Dr. Osama O. Atallah

E-Mail Website
Co-Guest Editor
1. Department of Plant Pathology, Faculty of Agriculture, Zagazig University, Zagazig 44511, Egypt
2. Department of Plant Pathology & Microbiology, Faculty of Agriculture & Life Sciences, Texas A&M University, College Station, TX 77840, USA
Interests: molecular plant virology; superinfection exclusion; virus replication; virus movement; reverse genetics; functional analyses; pathogen-derived resistance and bioinformatics

Special Issue Information

Dear Colleagues,

A wide and diverse array of negative-strand RNA viruses are well-known for their ability to infect both humans and animals. Similarly, several taxonomic families, such as Rhabdoviridae, Bunyaviridae, Tospoviridae, and Phenuiviridae, have been observed to impact cultivated plants and spread plant virus diseases worldwide. In this Special Issue, we aim to gather recent advances in the discovery of plant negative-strand RNA virosphere, as well as to study the mechanisms of negative-strand RNA viruses in plant infection. Contributions of original research, brief reports, communications and literature reviews may include, but are not limited to, the following topics:

  1. Discovery and/or pathogenesis of plant infecting negative strand RNA virus;
  2. Epidemiology and vector transmission;
  3. Virus replication;
  4. RNA silencing in plants;
  5. Other cellular and molecular mechanisms of plant virus infection.

Prof. Dr. Jeanmarie Verchot
Dr. Osama O. Atallah
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

  • plant virology
  • negative-strand RNA virus
  • pathogenesis
  • epidemiology
  • vector transmission
  • replication
  • silencing

Published Papers (2 papers)

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16 pages, 3012 KiB  
Article
Molecular Characterization of a Novel Rubodvirus Infecting Raspberries
by Ondřej Lenz, Igor Koloniuk, Tatiana Sarkisová, Radek Čmejla, Lucie Valentová, Martina Rejlová, Jiří Sedlák, Dag-Ragnar Blystad, Bijaya Sapkota, Zhibo Hamborg, Jiunn Luh Tan, Rostislav Zemek, Přibylová Jaroslava and Jana Fránová
Viruses 2024, 16(7), 1074; https://doi.org/10.3390/v16071074 - 3 Jul 2024
Viewed by 566
Abstract
A novel negative-sense single-stranded RNA virus showing genetic similarity to viruses of the genus Rubodvirus has been found in raspberry plants in the Czech Republic and has tentatively been named raspberry rubodvirus 1 (RaRV1). Phylogenetic analysis confirmed its clustering within the group, albeit [...] Read more.
A novel negative-sense single-stranded RNA virus showing genetic similarity to viruses of the genus Rubodvirus has been found in raspberry plants in the Czech Republic and has tentatively been named raspberry rubodvirus 1 (RaRV1). Phylogenetic analysis confirmed its clustering within the group, albeit distantly related to other members. A screening of 679 plant and 168 arthropod samples from the Czech Republic and Norway revealed RaRV1 in 10 raspberry shrubs, one batch of Aphis idaei, and one individual of Orius minutus. Furthermore, a distinct isolate of this virus was found, sharing 95% amino acid identity in both the full nucleoprotein and partial sequence of the RNA-dependent RNA polymerase gene sequences, meeting the species demarcation criteria. This discovery marks the first reported instance of a rubodvirus infecting raspberry plants. Although transmission experiments under experimental conditions were unsuccessful, positive detection of the virus in some insects suggests their potential role as vectors for the virus. Full article
(This article belongs to the Special Issue Plant-Infecting Negative-Strand RNA Viruses)
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14 pages, 2872 KiB  
Brief Report
DICER-LIKE2 Plays a Crucial Role in Rice Stripe Virus Coat Protein-Mediated Virus Resistance in Arabidopsis
by Li Chen, Yanan Liu, Shuo Li, Yinghua Ji, Feng Sun and Baohong Zou
Viruses 2023, 15(11), 2239; https://doi.org/10.3390/v15112239 - 10 Nov 2023
Viewed by 1283
Abstract
Virus coat protein (CP)-mediated resistance is considered an effective antiviral defense strategy that has been used to develop robust resistance to viral infection. Rice stripe virus (RSV) causes significant losses in rice production in eastern Asia. We previously showed that the overexpression of [...] Read more.
Virus coat protein (CP)-mediated resistance is considered an effective antiviral defense strategy that has been used to develop robust resistance to viral infection. Rice stripe virus (RSV) causes significant losses in rice production in eastern Asia. We previously showed that the overexpression of RSV CP in Arabidopsis plants results in immunity to RSV infection, using the RSV-Arabidopsis pathosystem, and this CP-mediated viral resistance depends on the function of DCLs and is mostly involved in RNA silencing. However, the special role of DCLs in producing t-siRNAs in CP transgenic Arabidopsis plants is not fully understood. In this study, we show that RSV CP transgenic Arabidopsis plants with the dcl2 mutant background exhibited similar virus susceptibility to non-transgenic plants and were accompanied by the absence of transgene-derived small interfering RNAs (t-siRNAs) from the CP region. The dcl2 mutation eliminated the accumulation of CP-derived t-siRNAs, including those generated by other DCL enzymes. In contrast, we also developed RSV CP transgenic Arabidopsis plants with the dcl4 mutant background, and these CP transgenic plants showed immunity to virus infection and accumulated comparable amounts of CP-derived t-siRNAs to CP transgenic Arabidopsis plants with the wild-type background except for a significant increase in the abundance of 22 nt t-siRNA reads. Overall, our data indicate that DCL2 plays an essential, as opposed to redundant, role in CP-derived t-siRNA production and induces virus resistance in RSV CP transgenic Arabidopsis plants. Full article
(This article belongs to the Special Issue Plant-Infecting Negative-Strand RNA Viruses)
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