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: 30 July 2024 | Viewed by 1504

Special Issue Editors


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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
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

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

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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

Published Papers (1 paper)

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Research

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 991
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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