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Acta Biológica Colombiana
Article . 2017 . Peer-reviewed
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Acta Biológica Colombiana
Article
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Secuenciación del genoma completo del Potato yellow vein virus (PYVV) en tomate (Solanum lycopersicum) en Colombia

Authors: MUÑOZ BAENA, Laura; GUTIÉRREZ SÁNCHEZ, Pablo Andrés; MARÍN MONTOYA, Mauricio;

Secuenciación del genoma completo del Potato yellow vein virus (PYVV) en tomate (Solanum lycopersicum) en Colombia

Abstract

Potato yellow vein virus (PYVV), es uno de los fitopatógenos más limitantes para la producción de papa en la región de Los Andes. A pesar que se le ha detectado infectando tomate en Colombia, el conocimiento de las características biológicas de las cepas presentes en este hospedante es muy limitado. En este estudio, utilizando secuenciación masiva de nueva generación (NGS), se obtuvo la secuencia completa de los tres segmentos genómicos del PYVV en plantas de tomate en Marinilla (Antioquia) y se evalúo la utilidad de tres juegos de cebadores para su detección mediante pruebas de RT-PCR convencional y en tiempo real (RT-qPCR). El genoma de la secuencia consenso presentó tamaños de 8043 nt (ARN1), 5346 nt (ARN2) y 3896 nt (ARN3) y se identificaron los diez ORF previamente reportados en este virus, aunque, en general, éstos presentaron menores| niveles de identidad que los registrados entre cepas de PYVV de papa. Análisis de variación y de selección identificaron dos regiones en los ORF MET/HEL y CPm que presentan selección positiva, lo que podría estar asociado a la adaptación por hospedante. Los tres juegos de cebadores amplificaron las regiones esperadas de la cápside de PYVV, siendo posible identificar, por diferencias en valores de temperatura de fusión (Tm) y por secuenciación Sanger, la ocurrencia de al menos dos variantes principales de este virus en el Oriente Antioqueño, lo que concuerda con los niveles moderados de polimorfismos encontrados en las secuencias obtenidas por NGS.

Country
Colombia
Related Organizations
Keywords

Solanaceae., secuenciación de nucleótidos de alto rendimiento, Crinivirus, RT-qPCR, RT-PCR, 57 Ciencias de la vida; Biología / Life sciences; biology, high-throughput nucleotide sequencing, Solanaceae

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    influence
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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
12
Top 10%
Average
Top 10%
Green
gold