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Chickpea chlorotic dwarf virus: An Emerging Monopartite Dicot Infecting Mastrevirus

1
Department of Plant Pathology and Microbiology, Iowa State University, Ames, IA 50010, USA
2
Kenya Agricultural and Livestock Research Organization, Nairobi 00200, Kenya
*
Author to whom correspondence should be addressed.
Viruses 2019, 11(1), 5; https://doi.org/10.3390/v11010005
Received: 8 November 2018 / Revised: 26 November 2018 / Accepted: 4 December 2018 / Published: 21 December 2018
(This article belongs to the Special Issue Plant Virus Ecology and Biodiversity)
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Abstract

Chickpea stunt disease (CSD), caused by Chickpea chlorotic dwarf virus (CpCDV) is a threat to chickpea production leading to yield losses of 75–95%. Chickpea chlorotic dwarf virus is a monopartite, single-stranded circular DNA virus in the genus Mastrevirus and family Geminiviridae. It is transmitted by Orosius albicinctus in a circulative (persistent) and nonpropagative manner. Symptoms of CSD include very small leaves, intense discoloration (yellowing (kabuli type) and reddening (desi type)), and bushy stunted appearance of the plant. Presently, CpCDVs occurs in Africa, Asia, Australia, and the Middle East, causing extensive losses on economically important crops in in the families Fabaceae, Asteraceae, Amaranthaceae, Brassicaceae, Cucurbitaceae, Caricaceae, Chenopodiaceae, Leguminosae, Malvaceae, Pedaliaceae, and Solanaceae. High frequency of recombinations has played a significant role in the wide host range, diversification, and rapid evolution of CpCDVs. This review highlights the extensive research on the CpCDV genome diversity, host range, plant–virus–insect interactions, and RNA interference-based resistance of CpCDV, providing new insights into the host adaptation and virus evolution. View Full-Text
Keywords: Mastrevirus; Betasatellite; Chickpea chlorotic dwarf virus; CpCDV; genetic diversity; infectivity; recombination; RNA interference; resistance Mastrevirus; Betasatellite; Chickpea chlorotic dwarf virus; CpCDV; genetic diversity; infectivity; recombination; RNA interference; resistance
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Kanakala, S.; Kuria, P. Chickpea chlorotic dwarf virus: An Emerging Monopartite Dicot Infecting Mastrevirus. Viruses 2019, 11, 5.

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