Artículo
Genetic variants in Argentinean isolates of Spodoptera frugiperda Multiple Nucleopolyhedrovirus
Niz, José María; Salvador, Ricardo; Ferrelli, Maria Leticia
; Sciocco de Cap, Alicia; Romanowski, Victor
; Berretta, Marcelo Facundo
Fecha de publicación:
02/2020
Editorial:
Springer
Revista:
Virus Genes
ISSN:
0920-8569
Idioma:
Inglés
Tipo de recurso:
Artículo publicado
Clasificación temática:
Resumen
The fall armyworm, Spodoptera frugiperda (JE Smith) is a key pest in the Americas. Control strategies are mainly carried out by use of chemical insecticides and transgenic crops expressing Bacillus thuringiensis toxins. In the last years, resistance of S. frugiperda populations to transgenic corn was reported in different Latin American countries. The baculovirus Spodoptera frugiperda Multiple Nucleopolyhedrovirus (SfMNPV) is a pathogenic agent for the fall armyworm and a potential alternative for its control in integrated pest management strategies. In this work, we analyze some characteristics of two baculovirus isolates collected from maize (SfMNPV-M) and cotton (SfMNPV-C) fields from Argentina. The isolates were compared by restriction enzymes patterns and the analysis reveals the presence of genotypic variants in the SfMNPV-M isolate. We confirmed a deletion by sequencing fragments encompassing egt gene and most part of its contiguous gene (orf A) in a SfMNVP-M genotypic variant. Additionally, we estimated the 50% lethal dose and median survival time of each isolate in bioassays with S. frugiperda larvae.
Archivos asociados
Licencia
Identificadores
Colecciones
Articulos (IABIMO)
Articulos de INSTITUTO DE AGROBIOTECNOLOGIA Y BIOLOGIA MOLECULAR
Articulos de INSTITUTO DE AGROBIOTECNOLOGIA Y BIOLOGIA MOLECULAR
Citación
Niz, José María; Salvador, Ricardo; Ferrelli, Maria Leticia; Sciocco de Cap, Alicia; Romanowski, Victor; et al.; Genetic variants in Argentinean isolates of Spodoptera frugiperda Multiple Nucleopolyhedrovirus; Springer; Virus Genes; 56; 3; 2-2020; 401-405
Compartir
Altmétricas