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Viruses
Special Issues
Plant Virus Interactions with Hosts: Mechanisms and Applications
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Plant Virus Interactions with Hosts: Mechanisms and Applications

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 (30 July 2024) | Viewed by 4819

Special Issue Editors

Dr. Feng Zhu

E-Mail Website
Guest Editor
College of Plant Protection, Joint International Research Laboratory of Agriculture and Agri-Product Safety, The Ministry of Education of China, Yangzhou University, Yangzhou, China
Interests: plant viruses; host–virus interactions; plant antiviral mechanisms; plant defense against viral pathogens; emergent plant viruses
Dr. Lei Jiang

E-Mail Website
Guest Editor
1. School of Plant Protection, Anhui Agricultural University, Hefei, China
2. Anhui Province Key Laboratory of Integrated Pest Management on Crops, Hefei, China
3. Key Laboratory of Biology and Sustainable Management of Plant Diseases and Pests of Anhui Higher Education Institutes, Anhui Agricultural University, Hefei, China
Interests: plant viruses; host–virus interactions; plant antiviral mechanisms; plant defense response; viral pathogens
Dr. Jing Shang

E-Mail Website
Guest Editor
1. College of Agronomy, Sichuan Agricultural University, Chengdu, China
2. State Key Laboratory of Crop Gene Exploration and Utilization in Southwest, Chengdu, China
Interests: plant viruses; host–virus interactions; plant antiviral mechanisms; plant defense response

Special Issue Information

Dear Colleagues,

Plants are constantly attacked by an extensive range of pathogens, such as bacteria, oomycetes, fungi, viruses, and nematodes. These pathogenic microorganisms cause serious crops diseases that lead to enormous yield and quality losses worldwide. Plant viruses are extremely harmful to crops, known as "plant cancer". More than 1484 species of plant viruses have been recognized by the International Committee on Taxonomy of Viruses in 2019. Viruses make up a major cause of plant disease and have a global cost of more than of $30 billion annually. It is very difficult to control viral diseases in crops. Therefore, in-depth research on the molecular mechanisms of plant defense against viruses, the pathogenic mechanisms of plant virus infection, and related applications play important roles in sustainable prevention and control of viral diseases in agricultural production.

In this Special Issue, we call for papers on both mechanisms and applications of plant virus interactions with hosts. We welcome all types of manuscripts (e.g., reviews, research articles, and short communications) on, but not limited to, plant defense against viral pathogens, viral disease resistance, plant–virus interactions, the pathogenic mechanisms of plant virus infection, plant antiviral mechanisms, viral diseases control, applications in viral diseases, generation of transgenic crops resistant to viral pathogens, RNAi and its application in control viral pathogens, spray-induced gene silencing and its application in control viral pathogens, novel technologies and pathways to control viral pathogens, and so on. These informations will help develop valuable technologies and strategies to prevent viral pathogens in crops.

Dr. Feng Zhu
Dr. Lei Jiang
Dr. Jing Shang
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 defense against viral pathogens
  • the pathogenic mechanisms of plant virus infection
  • viral disease resistance
  • plant–virus interactions
  • plant antiviral mechanisms
  • viral diseases control
  • applications in viral diseases
  • RNAi and its application in control viral pathogens
  • spray-induced gene silencing and its application in control viral pathogens
  • novel technologies and pathways to control viral pathogens
  • generation of transgenic crops resistant to viral pathogens

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Published Papers (3 papers)

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Research

21 pages, 7715 KiB  
Article
Chlorine Dioxide: Antiviral That Reduces the Spread of ToBRFV in Tomato (Solanum lycopersicum L.) Plants
by Ubilfrido Vásquez Gutiérrez, Gustavo Alberto Frías Treviño, Juan Carlos Delgado Ortiz, Luis Alberto Aguirre Uribe, Alberto Flores Olivas, Mariana Beltrán Beache and Francisco Daniel Hernández Castillo
Viruses 2024, 16(10), 1510; https://doi.org/10.3390/v16101510 - 24 Sep 2024
Viewed by 1296
Abstract
Tomato brown rugose fruit virus (ToBRFV), being a mechanically transmitted disease, is usually difficult to control; therefore, an effective alternative to reduce transmission and replication in the crop is by spraying with chlorine dioxide (ClO2) during routine crop management. In this [...] Read more.
Tomato brown rugose fruit virus (ToBRFV), being a mechanically transmitted disease, is usually difficult to control; therefore, an effective alternative to reduce transmission and replication in the crop is by spraying with chlorine dioxide (ClO2) during routine crop management. In this research, the efficacy of chlorine dioxide (ClO2) for ToBRFV management in a greenhouse and open field was determined. The phytotoxicity of ClO2 and its effective concentration against ToBRFV in Nicotiana longiflora plants were evaluated. Subsequently, the effect of ClO2 on ToBRFV was evaluated in tomato plants grown in an open field. Finally, the effectiveness of ClO2 on plants inoculated with ToBRFV under greenhouse conditions was evaluated and the number of necrotic local lesions (NLLs) was quantified. The results revealed that ClO2 at 760 mg L−1 did not show phytotoxicity and reduced the number of NLLs in N. longiflora plants. It also decreased ToBRFV transmission and replication in field- and greenhouse-grown tomato plants, improving agronomic parameters. ClO2 reduced replication in plants inoculated with different amounts of ToBRFV inoculum in a greenhouse. N. longiflora leaves expressed lower numbers of NLLs when inoculated with ClO2-treated tomato plant extracts. Finally, the results demonstrate that ClO2 represents an effective management alternative when used by direct application to plants. To our knowledge, this is the first study where the use of an antiviral compound is carried out under field and greenhouse conditions. Full article
(This article belongs to the Special Issue Plant Virus Interactions with Hosts: Mechanisms and Applications)
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8 pages, 2030 KiB  
Communication
CRISPR/Cas9-Mediated Resistance to Wheat Dwarf Virus in Hexaploid Wheat (Triticum aestivum L.)
by Xiaoyu Yuan, Keya Xu, Fang Yan, Zhiyuan Liu, Carl Spetz, Huanbin Zhou, Xiaojie Wang, Huaibing Jin, Xifeng Wang and Yan Liu
Viruses 2024, 16(9), 1382; https://doi.org/10.3390/v16091382 - 29 Aug 2024
Viewed by 836
Abstract
Wheat dwarf virus (WDV, genus Mastrevirus, family Geminiviridae) is one of the causal agents of wheat viral disease, which severely impacts wheat production in most wheat-growing regions in the world. Currently, there is little information about natural resistance against WDV in [...] Read more.
Wheat dwarf virus (WDV, genus Mastrevirus, family Geminiviridae) is one of the causal agents of wheat viral disease, which severely impacts wheat production in most wheat-growing regions in the world. Currently, there is little information about natural resistance against WDV in common wheat germplasms. CRISPR/Cas9 technology is being utilized to manufacture transgenic plants resistant to different diseases. In the present study, we used the CRISPR/Cas9 system targeting overlapping regions of coat protein (CP) and movement protein (MP) (referred to as CP/MP) or large intergenic region (LIR) in the wheat variety ‘Fielder’ to develop resistance against WDV. WDV-inoculated T1 progenies expressing Cas9 and sgRNA for CP/MP and LIR showed complete resistance against WDV and no accumulation of viral DNA compared with control plants. Mutation analysis revealed that the CP/MP and LIR targeting sites have small indels in the corresponding Cas9-positive plants. Additionally, virus inhibition and indel mutations occurred in T2 homozygous lines. Together, our work gives efficient results of the engineering of CRISPR/Cas9-mediated WDV resistance in common wheat plants, and the specific sgRNAs identified in this study can be extended to utilize the CRISPR/Cas9 system to confer resistance to WDV in other cereal crops such as barley, oats, and rye. Full article
(This article belongs to the Special Issue Plant Virus Interactions with Hosts: Mechanisms and Applications)
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12 pages, 3364 KiB  
Article
ATG8f Interacts with Chilli Veinal Mottle Virus 6K2 Protein to Limit Virus Infection
by Chenglong Ji, Jingya Zhou, Daoyong Yang, Bowen Yuan, Rongxia Tang, Yong Liu and Dehui Xi
Viruses 2023, 15(12), 2324; https://doi.org/10.3390/v15122324 - 26 Nov 2023
Cited by 1 | Viewed by 1751
Abstract
Autophagy, as a conserved protein degradation pathway in plants, has also been reported to be intricately associated with antiviral defense mechanisms. However, the relationship between chilli veinal mottle virus (ChiVMV) and autophagy has not been investigated in the existing research. Here, we reveal [...] Read more.
Autophagy, as a conserved protein degradation pathway in plants, has also been reported to be intricately associated with antiviral defense mechanisms. However, the relationship between chilli veinal mottle virus (ChiVMV) and autophagy has not been investigated in the existing research. Here, we reveal that ChiVMV infection caused the accumulation of autophagosomes in infected Nicotiana benthamiana leaves and the upregulation of autophagy-related genes (ATGs). Moreover, the changes in gene expression were correlated with the development of symptoms. Treatment with autophagy inhibitors (3-MA or E-64D) could increase the infection sites and facilitate virus infection, whereas treatment with the autophagy activator (Rapamycin) limited virus infection. Then, ATG8f was identified to interact with ChiVMV 6K2 protein directly in vitro and in vivo. The silencing of ATG8f promoted virus infection, whereas the overexpression of ATG8f inhibited virus infection. Furthermore, the expression of 6K2-GFP in ATG8f- or ATG7-silenced plants was significantly higher than that in control plants. Rapamycin treatment reduced the accumulation of 6K2-GFP in plant cells, whereas treatment with the inhibitor of the ubiquitin pathway (MG132), 3-MA, or E-64D displayed little impact on the accumulation of 6K2-GFP. Thus, our results demonstrated that ATG8f interacts with the ChiVMV 6K2 protein, promoting the degradation of 6K2 through the autophagy pathway. Full article
(This article belongs to the Special Issue Plant Virus Interactions with Hosts: Mechanisms and Applications)
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