All Russian Institute for Plant Protection Saint Petersburg Pushkin Russia

Saint Petersburg, Russia

All Russian Institute for Plant Protection Saint Petersburg Pushkin Russia

Saint Petersburg, Russia
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Malysh J.M.,All Russian Institute for Plant Protection Saint Petersburg Pushkin Russia | Kazartsev I.A.,All Russian Institute for Plant Protection Saint Petersburg Pushkin Russia | Frolov A.N.,All Russian Institute for Plant Protection Saint Petersburg Pushkin Russia | Zverev A.A.,All Russian Institute for Plant Protection Saint Petersburg Pushkin Russia | Tokarev Y.S.,All Russian Institute for Plant Protection Saint Petersburg Pushkin Russia
Journal of Applied Entomology | Year: 2015

Genomic DNA samples from larvae of the beet webworm Loxostege sticticalis collected in the south-western Russia were used to amplify mitochondrial cytochrome oxidase unit I (COI) gene. In a small proportion of samples, the sequenced product showed considerable heterogeneity due to admixture of a minor sequence. A preliminary BLAST analysis of a 100-bp-long fragment of this minor sequence showed its maximal similarity to the COI gene region of Cotesia, a genus of braconid larval endoparasitoids of Lepidoptera. An additional primer was designed to specifically amplify ca 300 bp of the COI gene region from Braconidae. As many as seven of 25 samples were positive by PCR. Sequencing of the amplified products in all these samples showed nucleotide sequence identity to the COI region of Cotesia vestalis (Cotesia plutellae) and the presence of two molecular haplotypes among individual parasitoid samples. © 2015 Blackwell Verlag GmbH.

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