Genetic variants in Argentinean isolates of Spodoptera frugiperda Multiple Nucleopolyhedrovirus

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 wa...

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Detalles Bibliográficos
Autores principales:	Niz, José María, Salvador, Ricardo, Ferrelli, María Leticia, Sciocco de Cap, Alicia, Romanowski, Víctor, Berretta, Marcelo Facundo
Formato:	Articulo
Lenguaje:	Inglés
Publicado:	2020
Materias:	Ciencias Exactas Biología Fall armyworm SfMNPV isolates Biological control Baculovirus Agricultural pest
Acceso en línea:	http://sedici.unlp.edu.ar/handle/10915/140243
Aporte de:	SEDICI (UNLP) de Universidad Nacional de La Plata

id	I19-R120-10915-140243
record_format	dspace
institution	Universidad Nacional de La Plata
institution_str	I-19
repository_str	R-120
collection	SEDICI (UNLP)
language	Inglés
topic	Ciencias Exactas Biología Fall armyworm SfMNPV isolates Biological control Baculovirus Agricultural pest
spellingShingle	Ciencias Exactas Biología Fall armyworm SfMNPV isolates Biological control Baculovirus Agricultural pest Niz, José María Salvador, Ricardo Ferrelli, María Leticia Sciocco de Cap, Alicia Romanowski, Víctor Berretta, Marcelo Facundo Genetic variants in Argentinean isolates of Spodoptera frugiperda Multiple Nucleopolyhedrovirus
topic_facet	Ciencias Exactas Biología Fall armyworm SfMNPV isolates Biological control Baculovirus Agricultural pest
description	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.
format	Articulo Articulo
author	Niz, José María Salvador, Ricardo Ferrelli, María Leticia Sciocco de Cap, Alicia Romanowski, Víctor Berretta, Marcelo Facundo
author_facet	Niz, José María Salvador, Ricardo Ferrelli, María Leticia Sciocco de Cap, Alicia Romanowski, Víctor Berretta, Marcelo Facundo
author_sort	Niz, José María
title	Genetic variants in Argentinean isolates of Spodoptera frugiperda Multiple Nucleopolyhedrovirus
title_short	Genetic variants in Argentinean isolates of Spodoptera frugiperda Multiple Nucleopolyhedrovirus
title_full	Genetic variants in Argentinean isolates of Spodoptera frugiperda Multiple Nucleopolyhedrovirus
title_fullStr	Genetic variants in Argentinean isolates of Spodoptera frugiperda Multiple Nucleopolyhedrovirus
title_full_unstemmed	Genetic variants in Argentinean isolates of Spodoptera frugiperda Multiple Nucleopolyhedrovirus
title_sort	genetic variants in argentinean isolates of spodoptera frugiperda multiple nucleopolyhedrovirus
publishDate	2020
url	http://sedici.unlp.edu.ar/handle/10915/140243
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bdutipo_str	Repositorios
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Genetic variants in Argentinean isolates of Spodoptera frugiperda Multiple Nucleopolyhedrovirus

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