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Revista Facultad de Ciencias Básicas
Article . 2016 . Peer-reviewed
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Revista Facultad de Ciencias Básicas
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License: CC BY NC ND
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Potato Virus Y (PVY) y Potato Yellow Vein Virus (PYVV) en Infecciones Mixtas No Causan Síntomas Atípicos en Plantas de Papa

Authors: Alfaro García, Jenny Paola; Franco-Lara, Liliana;

Potato Virus Y (PVY) y Potato Yellow Vein Virus (PYVV) en Infecciones Mixtas No Causan Síntomas Atípicos en Plantas de Papa

Abstract

Observaciones anteriores en cultivos de papa (<em>Solanum tuberosum</em> y <em>Solanum phureja</em>) mostraron síntomas llamados atípicos en este trabajo, que consistían en hojas con manchas irregulares verde oscuro sobre un fondo amarillo intenso, que sugieren la presencia de virus. Estos síntomas no correlacionan con ningún virus descrito para papa en Colombia. En plantas, existen reportes de infecciones virales con dos o más virus que llevan a interacciones como sinergismo o antagonismo. En este trabajo se evaluó la hipótesis de que los síntomas atípicos podrían ser resultado de infecciones mixtas entre PYVV (<em>Potato yellow vein virus) (Crinivirus) </em>y PVY (<em>Potato virus Y</em>) (<em>Potyirus)</em>, pues ambos virus son comunes en cultivos de papa en Colombia. Se reportan resultados de RT-PCR (reacción en cadena de la polimerasa mediada por retrotranscripción) para la detección de PYVV y PVY, y de ELISA para PVX, PVS, PVM y PRLV en 57 plantas con y sin síntomas atípicos provenientes de campo. Los resultados no apoyan la hipótesis planteada, pues de 10 plantas con síntomas atípicos evaluadas solo una estaba infectada con los dos virus. Por otro lado, coinfecciones de PVY y PYVV se observaron en plantas sin síntomas aparentes (4 plantas de 5 evaluadas) y en plantas con síntomas característicos de PYVV (17 plantas de 37 evaluadas). Del total de 20 plantas evaluadas por ELISA, 18 presentaban infección por PVX aunque no se observaron síntomas asociados a este virus. Ocho de estas plantas, además de PVX estaban infectadas también con PVY y PYVV, pero mostraban síntomas de característicos de PYVV, lo que sugiere que PVX tampoco correlaciona con los síntomas atípicos. Se sugiere la presencia de un virus no reportado infectando el cultivo de papa en Colombia.

Country
Colombia
Related Organizations
Keywords

sintomatología atípica, Coinfección, virus, Potato virus Y, Potato yellow vein virus

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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!
3
Average
Average
Average
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gold