Polymorphism of the cox1 mtDNA gene from cercarial isolates of the avian schistosome Bilharziella polonica (Trematoda: Schistosomatidae) from Belarussian lakes

Polymorphism of the cox1 mtDNA gene from cercarial isolates of the avian schistosome Bilharziella... We have studied the phylogeographic structure of avian schistosomes Bilharziella polonica (Trematoda: Schistosomatidae), parasites of 18 molluscs Planorbarius corneus (family Planorbidae) from three Belarussian lakes. Low nucleotide (π < 0.5%) and high haplotype (h = 85.6%) diversity of the gene encoding the cytochrome C oxidase first subunit (cox1) was found on the part of the species range studied. The phylogenetic reconstructions showed that the sample examined consists of at least two lineages of haplotypes, A and C. Haplotype diversity was somewhat higher in lineage C. The genetic divergence between these genealogical lines reached 0.55%, while the time of possible divergence was 180000–270000 years. Possible evolutionary scenarios for differentiation of the B. polonica lines and effectiveness of using cox1 for barcoding trematode populations and finding coevolutionary parasite-host relationships are discussed. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Genetics Springer Journals

Polymorphism of the cox1 mtDNA gene from cercarial isolates of the avian schistosome Bilharziella polonica (Trematoda: Schistosomatidae) from Belarussian lakes

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Publisher
SP MAIK Nauka/Interperiodica
Copyright
Copyright © 2011 by Pleiades Publishing, Ltd.
Subject
Biomedicine; Microbial Genetics and Genomics; Animal Genetics and Genomics; Human Genetics
ISSN
1022-7954
eISSN
1608-3369
D.O.I.
10.1134/S1022795411050097
Publisher site
See Article on Publisher Site

Abstract

We have studied the phylogeographic structure of avian schistosomes Bilharziella polonica (Trematoda: Schistosomatidae), parasites of 18 molluscs Planorbarius corneus (family Planorbidae) from three Belarussian lakes. Low nucleotide (π < 0.5%) and high haplotype (h = 85.6%) diversity of the gene encoding the cytochrome C oxidase first subunit (cox1) was found on the part of the species range studied. The phylogenetic reconstructions showed that the sample examined consists of at least two lineages of haplotypes, A and C. Haplotype diversity was somewhat higher in lineage C. The genetic divergence between these genealogical lines reached 0.55%, while the time of possible divergence was 180000–270000 years. Possible evolutionary scenarios for differentiation of the B. polonica lines and effectiveness of using cox1 for barcoding trematode populations and finding coevolutionary parasite-host relationships are discussed.

Journal

Russian Journal of GeneticsSpringer Journals

Published: May 15, 2011

References

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