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Next generation sequence analysis of the forage peanut (Arachis pintoi) virome

Gutiérrez Sánchez, Pablo Andrés and Jaramillo Mesa, Helena and Marín Montoya, Mauricio (2016) Next generation sequence analysis of the forage peanut (Arachis pintoi) virome. Revista Facultad Nacional de Agronomía, 69 (2). pp. 7881-7891. ISSN 2248-7026

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Resumen

Forage peanut (Arachis pintoi) is one of the forage crops best adapted to tropical agroecosystems where it is used as ground cover in urban areas and slopes, in the preservation of soils cultivated with coffee, African oil palm and citrus and as animal feed in combination with gramineous plants. A. pintoi is considered to be highly resistant to plagues and diseases; however, in recent years there has been a marked increase of plants showing symptoms typical of viral infection. In this work, Next Generation Sequencing (NGS) was used to confirm the presence of virus in symptomatic A. pintoi plants collected in urban areas in Medellín (Colombia). Transcriptome analysis revealed the presence of 3,291,089 reads related to viruses in the families Potyviridae, Luteoviridae and Alphaflexiviridae and resulted in the complete genome assembly of Peanut mottle virus (9707 nt), Turnip yellows virus (5578 nt) and two variants of a virus with phylogenetic affinity to the genus Allexivirus. These two variants lack ORF6 present in Allexivirus and probably belong to an uncharacterized genus within the family Alphaflexiviridae. The presence of at least three viruses infecting A. pintoi in Colombia highlights the importance of starting a germplasm clean-up program of the plant material used as seed in this crop.

Tipo de documento:Artículo - Article
Palabras clave:Alphaflexiviridae, Polerovirus, Potyvirus, Viral genomes
Temática:5 Ciencias naturales y matemáticas / Science > 57 Ciencias de la vida; Biología / Life sciences; biology
5 Ciencias naturales y matemáticas / Science > 58 Plantas / Plants
Unidad administrativa:Revistas electrónicas UN > Revista Facultad Nacional de Agronomía Medellín
Código ID:55164
Enviado por : Dirección Nacional de Bibliotecas STECNICO
Enviado el día :19 Dec 2016 13:19
Ultima modificación:23 Junio 2017 20:42
Ultima modificación:23 Junio 2017 20:42
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