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Acta Biológica Colombiana
Article . 2019 . Peer-reviewed
License: CC BY NC SA
Data sources: Crossref
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Acta Biológica Colombiana
Article
License: CC BY NC SA
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Coinfección natural de virus de ARN en cultivos de papa (<i>Solanum tuberosum</i> subsp. Andigena) en Antioquia (Colombia)

Authors: Yuliana Marcela Gallo García; Andrea Sierra Mejía; Livia Donaire Segarra; Miguel Aranda; Pablo Andres Gutiérrez Sánchez; Mauricio Marín Montoya;

Coinfección natural de virus de ARN en cultivos de papa (<i>Solanum tuberosum</i> subsp. Andigena) en Antioquia (Colombia)

Abstract

Las enfermedades virales son uno de los principales problemas fitopatológicos de la papa. Con el fin de determinar los virus más prevalentes en cultivos de papa var. Diacol Capiro en el oriente Antioqueño (Colombia), se evaluó mediante RT-qPCR la presencia de diez virus de ARN (PVY, PVA, PVV, TaLMV, PVS, PLRV, PYVV, PVX, ToRSV y PMTV) en 36 muestras de tejido foliar. Los resultados indicaron la ocurrencia de cinco de los diez virus evaluados, con niveles de prevalencia de 88,9 %, 75 %, 75 %, 41,7 % y 25 % para PVY, PVX, PYVV, PLRV y PVS, respectivamente. Con fines comparativos, cuatro virus también se evaluaron mediante ELISA, siendo detectados PVS (80,5 %), PVY (55 %) y PLRV (5,5 %); mientras que PVX no fue encontrado con esta prueba. La comparación de estas técnicas mediante la razón de prevalencia (RP), indicó que la RT-qPCR ofrece niveles superiores de detección con valores de RP = 1,6 y RP = 7,5 para los virus PVY y PLRV; mientras que para PVS la ELISA detectó más muestras positivas que RT-qPCR (RP = 3,22), evidenciándose la necesidad de diseñar nuevos cebadores ajustados a la diversidad de este virus en Antioquia. La coinfección mixta más frecuente fue PVY-PYVV-PVX (22,2 %), mientras que los cinco virus se encontraron en el 11,1 % de las muestras. Finalmente, utilizando secuenciación Sanger de la cápside y NGS para los genomas completos, se confirmó la circulación de todos los virus detectados en los cultivos de papa del oriente Antioqueño. Estos resultados señalan la necesidad de fortalecer los programas de manejo integrado de enfermedades virales en Antioquia.

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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!
7
Top 10%
Average
Top 10%
gold