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Identificación de un aislamiento argentino de Spodoptera frugiperda granulovirus / Identification of an Argentinean isolate of Spodoptera frugiperda granulovirus
Pidre, Matías Luis; Sabalette, Karina Belén; Romanowski, Víctor; Ferrelli, María Leticia.
  • Pidre, Matías Luis; Universidad Nacional de La Plata. Instituto de Biotecnologia y Biología Molecular. CONICET. La Plata. AR
  • Sabalette, Karina Belén; Universidad Nacional de La Plata. Instituto de Biotecnologia y Biología Molecular. CONICET. La Plata. AR
  • Romanowski, Víctor; Universidad Nacional de La Plata. Instituto de Biotecnologia y Biología Molecular. CONICET. La Plata. AR
  • Ferrelli, María Leticia; Universidad Nacional de La Plata. Instituto de Biotecnologia y Biología Molecular. CONICET. La Plata. AR
Rev. argent. microbiol ; 51(4): 381-385, dic. 2019. graf
Article in English | LILACS | ID: biblio-1057404
RESUMEN
Abstract The fall armyworm, Spodoptera frugiperda (J.E. Smith) (Lepidoptera Noctuidae), is an important maize pest. Due to the environmental impact and emergence of resistance caused by chemical pesticides and transgenic events, the use of baculoviruses becomes a safe and useful alternative for its control in integrated pest management strategies. Here we report the identification of a novel isolate of a granulovirus of S. frugiperda native to the central region of Argentina, named SfGV ARG. We observed that larvae infected with SfGV ARG showed a yellowish coloration, swollen body and, in some cases, severe lesions in the last abdominal segments. We confirmed the identity of the isolate by sequencing fragments of the lef-8, lef-9 and granulin genes and by calculating evolutionary distances using the Kimura-2-Parameter model. SfGV ARG DNA restriction pattern allowed to estimate a genome of at least 135 kb.
Subject(s)

Full text: Available Index: LILACS (Americas) Main subject: Pest Control, Biological / Spodoptera / Granulovirus Type of study: Diagnostic study / Evaluation studies / Observational study Country/Region as subject: South America / Argentina Language: English Journal: Rev. argent. microbiol Journal subject: Microbiology Year: 2019 Type: Article Affiliation country: Argentina Institution/Affiliation country: Universidad Nacional de La Plata/AR

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Full text: Available Index: LILACS (Americas) Main subject: Pest Control, Biological / Spodoptera / Granulovirus Type of study: Diagnostic study / Evaluation studies / Observational study Country/Region as subject: South America / Argentina Language: English Journal: Rev. argent. microbiol Journal subject: Microbiology Year: 2019 Type: Article Affiliation country: Argentina Institution/Affiliation country: Universidad Nacional de La Plata/AR