Evidence for Dicot Plants as Alternative Hosts of Banana Bunchy Top Virus and Its Alphasatellites in South-East Asia

Banana bunchy top virus is a multicomponent circular ssDNA virus (family <i>Nanoviridae</i>) that causes one of the most devastating diseases of cultivated bananas and plantains (family Musaceae). It is transmitted by the aphids <i>Pentalonia nigronervosa</i> and <i>P....

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Main Authors: Valentin Guyot, Ngoc-Sam Ly, Tien-Dung Trieu, Oudomphone Insisiengmay, Ting Zhang, Marie-Line Iskra-Caruana, BforBB Consortium, Mikhail M. Pooggin
Format: Article
Language:English
Published: MDPI AG 2023-10-01
Series:Pathogens
Subjects:
Online Access:https://www.mdpi.com/2076-0817/12/11/1289
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author Valentin Guyot
Ngoc-Sam Ly
Tien-Dung Trieu
Oudomphone Insisiengmay
Ting Zhang
Marie-Line Iskra-Caruana
BforBB Consortium
Mikhail M. Pooggin
author_facet Valentin Guyot
Ngoc-Sam Ly
Tien-Dung Trieu
Oudomphone Insisiengmay
Ting Zhang
Marie-Line Iskra-Caruana
BforBB Consortium
Mikhail M. Pooggin
author_sort Valentin Guyot
collection DOAJ
description Banana bunchy top virus is a multicomponent circular ssDNA virus (family <i>Nanoviridae</i>) that causes one of the most devastating diseases of cultivated bananas and plantains (family Musaceae). It is transmitted by the aphids <i>Pentalonia nigronervosa</i> and <i>P. caladii</i> among host plants of Musaceae and some other families of monocots. Our Illumina sequencing reconstruction of virome components of BBTV-infected banana plants and their neighbor non-banana plants sampled in Vietnam and Laos revealed the monocot <i>Commelina</i> sp. (Commelinaceae) and the dicots <i>Bidens pilosa</i> and <i>Chromolaena odorata</i> (both Asteraceae) as hosts of BBTV and circular ssDNA alphasatellites (family <i>Alphasatellitidae</i>). Counting the proportions and relative abundances of Illumina reads representing BBTV genome components and alphasatellites suggested that Chromolaena and Commelina are poor hosts for BBTV and one to three alphasatellite species, whereas Bidens is a permissive host for BBTV and four alphasatellite species representing two genera of <i>Alphasatellitidae</i>. Our findings provide evidence for the dicot plants of family Asteraceae as alternative hosts of BBTV and its alphasatellites, which warrants further investigation of these and other dicots as a potential refuge and source of BBTV and multiple alphasatellites that become associated with this virus and likely affect its replication, transmission, and host range.
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spelling doaj.art-c05f10d977b94a53a83ca746c5f47cdb2023-11-24T14:59:37ZengMDPI AGPathogens2076-08172023-10-011211128910.3390/pathogens12111289Evidence for Dicot Plants as Alternative Hosts of Banana Bunchy Top Virus and Its Alphasatellites in South-East AsiaValentin Guyot0Ngoc-Sam Ly1Tien-Dung Trieu2Oudomphone Insisiengmay3Ting Zhang4Marie-Line Iskra-Caruana5BforBB ConsortiumMikhail M. Pooggin6PHIM Plant Health Institute, University of Montpellier, INRAE, CIRAD, IRD, Institute Agro, 34398 Montpellier, FranceInstitute of Tropical Biology, Vietnam Academy of Science and Technology, Ho Chi Minh City 721400, VietnamNorthern Mountainous Agriculture and Forestry Science Institute, Phu Tho City 290000, VietnamLife Science Research Centre, Science and Innovation Research Institute, Ministry of Education and Sports, Dontiew Road, Xaythany District, Vientiane 99241, LaosKunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, ChinaCIRAD, DGD-RS, 34398 Montpellier, FrancePHIM Plant Health Institute, University of Montpellier, INRAE, CIRAD, IRD, Institute Agro, 34398 Montpellier, FranceBanana bunchy top virus is a multicomponent circular ssDNA virus (family <i>Nanoviridae</i>) that causes one of the most devastating diseases of cultivated bananas and plantains (family Musaceae). It is transmitted by the aphids <i>Pentalonia nigronervosa</i> and <i>P. caladii</i> among host plants of Musaceae and some other families of monocots. Our Illumina sequencing reconstruction of virome components of BBTV-infected banana plants and their neighbor non-banana plants sampled in Vietnam and Laos revealed the monocot <i>Commelina</i> sp. (Commelinaceae) and the dicots <i>Bidens pilosa</i> and <i>Chromolaena odorata</i> (both Asteraceae) as hosts of BBTV and circular ssDNA alphasatellites (family <i>Alphasatellitidae</i>). Counting the proportions and relative abundances of Illumina reads representing BBTV genome components and alphasatellites suggested that Chromolaena and Commelina are poor hosts for BBTV and one to three alphasatellite species, whereas Bidens is a permissive host for BBTV and four alphasatellite species representing two genera of <i>Alphasatellitidae</i>. Our findings provide evidence for the dicot plants of family Asteraceae as alternative hosts of BBTV and its alphasatellites, which warrants further investigation of these and other dicots as a potential refuge and source of BBTV and multiple alphasatellites that become associated with this virus and likely affect its replication, transmission, and host range.https://www.mdpi.com/2076-0817/12/11/1289banana bunchy top virusalphasatellitehost range<i>Musa</i>CommelinaChromolaena
spellingShingle Valentin Guyot
Ngoc-Sam Ly
Tien-Dung Trieu
Oudomphone Insisiengmay
Ting Zhang
Marie-Line Iskra-Caruana
BforBB Consortium
Mikhail M. Pooggin
Evidence for Dicot Plants as Alternative Hosts of Banana Bunchy Top Virus and Its Alphasatellites in South-East Asia
Pathogens
banana bunchy top virus
alphasatellite
host range
<i>Musa</i>
Commelina
Chromolaena
title Evidence for Dicot Plants as Alternative Hosts of Banana Bunchy Top Virus and Its Alphasatellites in South-East Asia
title_full Evidence for Dicot Plants as Alternative Hosts of Banana Bunchy Top Virus and Its Alphasatellites in South-East Asia
title_fullStr Evidence for Dicot Plants as Alternative Hosts of Banana Bunchy Top Virus and Its Alphasatellites in South-East Asia
title_full_unstemmed Evidence for Dicot Plants as Alternative Hosts of Banana Bunchy Top Virus and Its Alphasatellites in South-East Asia
title_short Evidence for Dicot Plants as Alternative Hosts of Banana Bunchy Top Virus and Its Alphasatellites in South-East Asia
title_sort evidence for dicot plants as alternative hosts of banana bunchy top virus and its alphasatellites in south east asia
topic banana bunchy top virus
alphasatellite
host range
<i>Musa</i>
Commelina
Chromolaena
url https://www.mdpi.com/2076-0817/12/11/1289
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