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Assessing the population structure of trematode Metagonimus suifunensis using three mitochondrial markers

  • Genetics, Evolution, and Phylogeny - Original Paper
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Abstract

In this work, for the first time, the genetic variability of the Metagonimus suifunensis population in the Russian southern Far East was estimated based on the full-length sequences of the nad1 gene of mitochondrial DNA. In addition, for a sample of the same size, the sequences of cox1 and cytb genes, previously used for population studies for M. suifunensis, were reanalysed. Three markers were combined to a common sequence, and the obtained data were studied. Despite the higher level of variability, nad1 and cox1 mtDNA genes did not reveal subdivisions within the population. The combined dataset made it possible to determine that the sample from the Odyr River was the centre of the species’ range formation and clarified the continental migration route of the parasite from south to north. According to the data obtained, it was presumed that piscivorous birds participate in the life cycle of the parasite. The subdivision within population revealed that using all three mitochondrial markers is consistent with the features of differentiation within populations of related species, but the reasons for its formation remain unclear due to the insufficient amount of data and the use of different markers in studies of different species.

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Acknowledgements

We thank Dr. Vladimir V. Besprozvannykh for providing parasitological material and greatly appreciate the Federal Budget Institution “Zapovednoye Priamurye” for support and assistance in collecting parasitological material.

Funding

The study was supported by RFBR, project number 19–34-90126.

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Correspondence to Yulia V. Tatonova.

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The authors assert that all procedures contributing to this work comply with the ethical standards of the relevant national and institutional guides on the care and use of laboratory animals including fish and rats.

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The authors declare no competing interests.

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Section Editor: Abdul Jabbar

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Shumenko, P.G., Tatonova, Y.V. Assessing the population structure of trematode Metagonimus suifunensis using three mitochondrial markers. Parasitol Res 121, 915–923 (2022). https://doi.org/10.1007/s00436-022-07456-0

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  • DOI: https://doi.org/10.1007/s00436-022-07456-0

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