Plant Virus Transmission by Vectors 2024

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 June 2024 | Viewed by 2557

Special Issue Editors


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Guest Editor
College of Plant Protection, Fujian Agriculture and Forestry University, Fuzhou 350002, China
Interests: plant viruses; insect vectors; transmission; insect immunity; plant immunity

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Guest Editor
Department of Plant Pathology, University of California, Davis, CA, USA
Interests: plant pathology; plant virology; plant and insect molecular virology; virus-host interaction; RNA interference; microRNA; artificial microRNA
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Special Issue Information

Dear Colleagues,

In an increasingly globalized world, plant diseases caused by viruses are of agricultural importance, causing serious losses. Most plant viruses are vectored by insects, mites, nematodes, custuta, and fungi. Among them, insects are the most common vectors, including aphids, thrips, leafhoppers, planthoppers, and whiteflies, which transmit several agriculturally important viral diseases. The process of plant virus transmission by vectors involves viral acquisition and transmission, viral circulation in the vector(s), and the interaction between the virus and the immune machinery of the vector, and may even involve viral propagation in some cases. Recently, reports have shown cross-kingdom virus–vector–plant interactions during viral acquisition and transmission. Uncovering the orchestration between these interactions at a biological and/or molecular level is crucial in order to understand the plant virus cycles in the vector(s) and the viral cross-kingdom interactions between the vector(s) and the plant hosts.

In this Special Issue, we welcome a wide range of articles, including original research, short communications, and reviews, which focus on the discovery of emerging plant viruses or vectors, tracing the source of plant viruses transmitted by vectors, virus–vector interactions, or virus–vector–plant interactions. Studies with computational approaches or bioinformation are also welcome. Topics of interest include observations and/or underlying mechanisms of (i) the vector range of plant viruses, (ii) the host range or source of plant viruses transmitted by vectors, (iii) the acquisition, transmission, adaptation, infection, and evolution of plant viruses in vectors, (iv) the immune response of vectors to plant viruses, (v) the co-evolution of plant viruses and endosymbionts, (vi) the cross-kingdom signal delivery of viruses in vectors to plants, (vii) the plant response to vectors or viruses, and (viii) the diagnosis, identification, epidemiology, and control of plant viruses.

We hope to produce a collection of papers on topics related to plant viruses and their vectors, in order to provide valuable information to improve our understanding in this area. We look forward to receiving your submissions for this Special Issue.

Prof. Dr. Qian Chen
Dr. Yen-Wen Kuo
Guest Editors

Manuscript Submission Information

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Keywords

  • plant viruses
  • virus–vector–plant interaction
  • vector acquisition/transmission
  • vector immune response
  • insects

Published Papers (1 paper)

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Research

19 pages, 7629 KiB  
Article
Citrus tristeza virus Promotes the Acquisition and Transmission of ‘Candidatus Liberibacter Asiaticus’ by Diaphorina citri
by Longtong Chen, Yangyang Liu, Fengnian Wu, Jingtian Zhang, Xiaoqing Cui, Shitong Wu, Xiaoling Deng and Meirong Xu
Viruses 2023, 15(4), 918; https://doi.org/10.3390/v15040918 - 04 Apr 2023
Cited by 2 | Viewed by 1709
Abstract
Diaphorina citri Kuwayama (D. citri) is an insect vector of phloem-limited ‘Candidatus Liberibacter asiatus’ (CLas), the presumed pathogen of citrus Huanglongbing (HLB). Recently, our lab has preliminarily found it acquired and transmitted Citrus tristeza virus (CTV), which was previously suggested [...] Read more.
Diaphorina citri Kuwayama (D. citri) is an insect vector of phloem-limited ‘Candidatus Liberibacter asiatus’ (CLas), the presumed pathogen of citrus Huanglongbing (HLB). Recently, our lab has preliminarily found it acquired and transmitted Citrus tristeza virus (CTV), which was previously suggested to be vectored by species of aphids. However, the influences of one of the pathogens on the acquisition and transmission efficiency of the other pathogen remain unknown. In this study, CLas and CTV acquisition and transmission by D. citri at different development stages under field and laboratory conditions were determined. CTV could be detected from the nymphs, adults, and honeydew of D. citri but not from the eggs and exuviates of them. CLas in plants might inhibit CTV acquisition by D. citri as lower CTV–positive rates and CTV titers were detected in D. citri collected from HLB-affected trees compared to those from CLas–free trees. D. citri were more likely to obtain CTV than CLas from host plants co-infected with the two pathogens. Intriguingly, CTV in D. citri facilitated the acquisition and transmission of CLas, but CLas carried by D. citri had no significant effect on the transmission of CTV by the same vector. Molecular detection and microscopy methods confirmed the enrichment of CTV in the midgut after a 72-h acquisition access period. Collectively, these results raise essential scientific questions for further research on the molecular mechanism of pathogen transmission by D. citri and provide new ideas for the comprehensive prevention and control of HLB and CTV. Full article
(This article belongs to the Special Issue Plant Virus Transmission by Vectors 2024)
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