Geographic Distribution of Cytoplasmic Polyhedrosis Virus Infection in Douglas-Fir Tussock Moth Larvae,Orgyia pseudotsugata,in British Columbia

We have examined the geographic distribution and prevalence of insect-specific viral infections in Douglas-fir tussock moth populations in British Columbia. Nucleic acids extracted from field collected egg masses from 10 different locations in British Columbia were subjected to agarose gel electroph...

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Veröffentlicht in:Journal of invertebrate pathology 1996-05, Vol.67 (3), p.229-235
Hauptverfasser: Laitinen, Ann Marie, Otvos, Imre S., Levin, David B.
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container_title Journal of invertebrate pathology
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creator Laitinen, Ann Marie
Otvos, Imre S.
Levin, David B.
description We have examined the geographic distribution and prevalence of insect-specific viral infections in Douglas-fir tussock moth populations in British Columbia. Nucleic acids extracted from field collected egg masses from 10 different locations in British Columbia were subjected to agarose gel electrophoresis and Southern blot analysis. Electrophoresis of nucleic acids after digestion with RNase A at high and low ionic strengths showed that the extra bands detected in agarose gels were double-stranded RNA (dsRNA). The dsRNA banding pattern was similar to the electropherotype of cytoplasmic polyhedrosis virus type 5. CPV infections were found in 27 of 170 DFTM larvae reared from field collected egg masses from four of 10 sites examined in three geographic regions of British Columbia. The CPV-infection rate for the DFTM larvae ranged from 10 to 86% depending on the location of the site.
doi_str_mv 10.1006/jipa.1996.0038
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Nucleic acids extracted from field collected egg masses from 10 different locations in British Columbia were subjected to agarose gel electrophoresis and Southern blot analysis. Electrophoresis of nucleic acids after digestion with RNase A at high and low ionic strengths showed that the extra bands detected in agarose gels were double-stranded RNA (dsRNA). The dsRNA banding pattern was similar to the electropherotype of cytoplasmic polyhedrosis virus type 5. CPV infections were found in 27 of 170 DFTM larvae reared from field collected egg masses from four of 10 sites examined in three geographic regions of British Columbia. 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subjects Biological and medical sciences
COLOMBIE BRITANNIQUE
COLUMBIA BRITANICA
cytoplasmic polyhedrosis virus
DISTRIBUCION GEOGRAFICA
DISTRIBUTION GEOGRAPHIQUE
Douglas-fir tussock moth
ETIOLOGIA
ETIOLOGIE
Fundamental and applied biological sciences. Psychology
geographic distribution
Insecta
Invertebrates
LARVAS
LARVE
Lepidoptera
Lymantriidae
Nuclear polyhedrosis virus
ORGYIA PSEUDOTSUGATA
Pathology
VIROSE
VIROSIS
VIRUS DE INVERTEBRADOS
VIRUS DES INVERTEBRES
VIRUS POLIEDROSIS NUCLEAR
VIRUS POLYEDROSE NUCLEAIRE
title Geographic Distribution of Cytoplasmic Polyhedrosis Virus Infection in Douglas-Fir Tussock Moth Larvae,Orgyia pseudotsugata,in British Columbia
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