Molecular and biological characterization of new isolates of <Emphasis Type="Italic">Cydia pomonella</Emphasis> granulovirus from Iran |
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Authors: | M Rezapanah S Shojai-Estabragh J Huber J A Jehle |
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Institution: | (1) Insect Virology Laboratory, Biocontrol Research Department, IRIPP (PPDRI), Yaman (Tabnak) St. 1-2, Velenjak, P.O.B. 19395/1454, Tehran, Iran;(2) NIGEB, Ministry of Science, Research, and Technology, Tehran, Iran;(3) Institute for Biological Control, Julius Kuehn Institute, Darmstadt, Germany;(4) Department of Phytopathology, Agricultural Service Center Palatinate (DLR Rheinpfalz), Neustadt/Wstr., Germany |
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Abstract: | The Cydia pomonella granulovirus (CpGV) is a very effective biological control agent of the codling moth, Cydia pomonella L. (Lep.: Tortricidae). Only a few CpGV isolates originating from Mexico (M), England (E), and Russia (R) have been described
so far. In a field survey at different locations in Iran, CpGV isolates were collected from single or pooled codling moth
larvae. The isolates, designated I1, I7, I8, I15, I22, I28, I30, I66, I67, I68, and I70 showed genetic (DNA restriction endonuclease
profiles) and biological (bioassays) differences. Most isolates could be attributed to genome types similar to those found
in CpGV-M, -E, and -R. Some of them were clear mixtures of different genotypes. Thus, the CpGV isolates found in the North–West
of Iran make an important contribution to the known diversity of CpGV. The occurrence of novel, naturally occurring CpGV isolates
emphasize the necessity of further studies towards the diversity and evolution of CpGV. |
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Keywords: | Cydia pomonella granulovirus Baculoviridae Field isolates Iran Restriction endonuclease digestion Median lethal concentration |
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