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 | Acesso ao texto completo restrito à biblioteca da Embrapa Mandioca e Fruticultura. Para informações adicionais entre em contato com cnpmf.biblioteca@embrapa.br. |
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Biblioteca(s): |
Embrapa Mandioca e Fruticultura. |
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Data corrente: |
08/02/2024 |
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Data da última atualização: |
08/02/2024 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
ZHANG, S.; YANG, C.; QIU, Y.; LIAO, R.; XUAN, Z.; REN, F.; DONG, Y.; WU, D.; GONZÁLEZ, P. L. R. G.; ASTUA, J. de F.; YANG, H.; ZHOU, C.; CAO, M. |
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Afiliação: |
SONG ZHANG, SOUTHWEST UNIVERSITY; CAIXIA YANG, SHENYANG UNIVERSITY; YUANJIAN QIU, SOUTHWEST UNIVERSITY; RUILING LIAO, SOUTHWEST UNIVERSITY; ZHIYOU XUAN, SOUTHWEST UNIVERSITY; FANG REN, RESEARCH INSTITUTE OF POMOLOGY; YAFENG DONG, RESEARCH INSTITUTE OF POMOLOGY; DI WU, SOUTHWEST UNIVERSITY; PEDRO LUIS RAMOS-GONZÁLEZ, INSTITUTO BIOLÓGICO; JULIANA DE FREITAS ASTUA, CNPMF; HUADONG YANG, HUNAN AGRICULTURAL UNIVERSITY; CHANGYONG ZHOU, SOUTHWEST UNIVERSITY; MENGJI CAO, SOUTHWEST UNIVERSITY. |
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Título: |
Conserved untranslated regions of multipartite viruses: Natural markers of novel viral genomic components and tags of viral evolution. |
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Ano de publicação: |
2024 |
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Fonte/Imprenta: |
Virus Evolution, v. 10, n. 1, p. 1-19, 2024. |
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DOI: |
https://doi.org/10.1093/ve/veae004 |
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Idioma: |
Inglês |
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Conteúdo: |
Abstract: Viruses with split genomes are classified as being either segmented or multipartite based on whether their genomic segments occur within a single virion or across different virions. Despite variations in number and sequence during evolution, the genomic segments of many viruses are conserved within the untranslated regions (UTRs). In this study, we present a methodology that combines RNA sequencing with iterative BLASTn of UTRs (https://github.com/qq371260/Iterative-blast-v.1.0) to identify new viral genomic segments. Some novel multipartite-like viruses related to the phylum Kitrinoviricota were annotated using sequencing data from field plant samples and public databases. We identified potentially plant-infecting jingmen-related viruses (order Amarillovirales) and jivi-related viruses (order Martellivirales) with at least six genomic components. The number of RNA molecules associated with a genome of the novel viruses in the families Closteroviridae, Kitaviridae, and Virgaviridae within the order Martellivirales reached five. Several of these viruses seem to represent new taxa at the subgenus, genus, and family levels. The diversity of novel genomic components and the multiple duplication of proteins or protein domains within single or multiple genomic components emphasize the evolutionary roles of genetic recombination (horizontal gene transfer), reassortment, and deletion. The relatively conserved UTRs at the genome level might explain the relationships between monopartite and multipartite viruses, as well as how subviral agents such as defective RNAs and satellite viruses can coexist with their helper viruses. MenosAbstract: Viruses with split genomes are classified as being either segmented or multipartite based on whether their genomic segments occur within a single virion or across different virions. Despite variations in number and sequence during evolution, the genomic segments of many viruses are conserved within the untranslated regions (UTRs). In this study, we present a methodology that combines RNA sequencing with iterative BLASTn of UTRs (https://github.com/qq371260/Iterative-blast-v.1.0) to identify new viral genomic segments. Some novel multipartite-like viruses related to the phylum Kitrinoviricota were annotated using sequencing data from field plant samples and public databases. We identified potentially plant-infecting jingmen-related viruses (order Amarillovirales) and jivi-related viruses (order Martellivirales) with at least six genomic components. The number of RNA molecules associated with a genome of the novel viruses in the families Closteroviridae, Kitaviridae, and Virgaviridae within the order Martellivirales reached five. Several of these viruses seem to represent new taxa at the subgenus, genus, and family levels. The diversity of novel genomic components and the multiple duplication of proteins or protein domains within single or multiple genomic components emphasize the evolutionary roles of genetic recombination (horizontal gene transfer), reassortment, and deletion. The relatively conserved UTRs at the genome level might explain the relationships between... Mostrar Tudo |
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Palavras-Chave: |
Multipartite viruses; Phylogenetics; Untranslated regions; Virus evolution. |
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Thesagro: |
Vírus. |
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Categoria do assunto: |
-- |
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Marc: |
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Embrapa Mandioca e Fruticultura (CNPMF) |
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| 1. |  | ARÍSTIDE, P.; CITTADINI, E.; BLUMETTO, O.; GIOBELLINA, B.; LEDESMA, S.; OVALLE, C.; MARCHAO, R. L.; CABALLERO, P. J.; OSMAN, A.; TITTONELL, P. Variables claves para la evaluación de la sustentabilidad de los sistemas agropecuarios: Hacia un sistema de indicadores de Intensificación Sostenible en el Cono Sur. Montevideo: Instituto Interamericano de Cooperación para la Agricultura, 2020. (IICA. Procisur).| Tipo: Folder/Folheto/Cartilha |
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