Life history strategies of Cotylurus spp. Szidat, 1928 (Trematoda, Strigeidae) in the molecular era - Evolutionary consequences and implications for taxonomy.

Autor:	Pyrka E; Department of Parasitology, Faculty of Biological Sciences, University of Wrocław, Przybyszewskiego 63, 51-148, Wrocław, Poland., Kanarek G; Ornithological Station, Museum and Institute of Zoology, Polish Academy of Sciences, Nadwiślańska 108, 80-680, Gdańsk, Poland., Gabrysiak J; Department of Parasitology, Faculty of Biological Sciences, University of Wrocław, Przybyszewskiego 63, 51-148, Wrocław, Poland., Jeżewski W; Witold Stefański Institute of Parasitology, Polish Academy of Sciences, Twarda 51/55, 00-818, Warszawa, Poland., Cichy A; Department of Invertebrate Zoology and Parasitology, Faculty of Biology and Environment Protection, Nicolaus Copernicus University in Toruń, Lwowska 1, 87-100, Toruń, Poland., Stanicka A; Department of Invertebrate Zoology and Parasitology, Faculty of Biology and Environment Protection, Nicolaus Copernicus University in Toruń, Lwowska 1, 87-100, Toruń, Poland., Żbikowska E; Department of Invertebrate Zoology and Parasitology, Faculty of Biology and Environment Protection, Nicolaus Copernicus University in Toruń, Lwowska 1, 87-100, Toruń, Poland., Zaleśny G; Department of Systematic and Ecology of Invertebrates, Institute of Environmental Biology, Wrocław University of Environmental and Life Sciences, Kożuchowska 5b, 51-631, Wrocław, Poland., Hildebrand J; Department of Parasitology, Faculty of Biological Sciences, University of Wrocław, Przybyszewskiego 63, 51-148, Wrocław, Poland.
Jazyk:	angličtina
Zdroj:	International journal for parasitology. Parasites and wildlife [Int J Parasitol Parasites Wildl] 2022 Jun 11; Vol. 18, pp. 201-211. Date of Electronic Publication: 2022 Jun 11 (Print Publication: 2022).
DOI:	10.1016/j.ijppaw.2022.06.002
Abstrakt:	Species of Cotylurus Szidat, 1928 (Diplostomoidea: Strigeidae) are highly specialized digeneans that parasitize the gastrointestinal tract and bursa of Fabricius of water and wading birds. They have a three-host life cycle; the role of first intermediate host is played by pulmonate snails, while a wide range of water snails (both pulmonate and prosobranch) and leeches are reported as second intermediate hosts. Unfortunately, species richness, molecular diversity and phylogeny of metacercariae of Cotylurus spp. (tetracotyle) occurring in snails remain poorly understood. Thus, we have performed the parasitological and taxonomical examination of tetracotyles form freshwater snails from Poland, supplemented with adult Strigeidae specimens sampled from water birds. In this study we report our use of recently obtained sequences of two molecular markers (28S nuclear large ribosomal subunit gene (28S rDNA) and the cytochrome c oxidase subunit 1 (CO1) fragment), supplemented by results of a method of species delimitation (GMYC) and haplotype analysis to analyse some aspects of the ecology, taxonomy, and phylogeny of members of the genus Cotylurus. The provided phylogenetic reconstructions discovered unexpectedly high molecular diversity within Cotylurus occurring in snails, with clearly expressed evidence of cryptic diversity and the existence of several novel-species lineages. The obtained results revealed the polyphyletic character of C. syrius Dubois, 1934 (with three separate molecular species-level lineages) and C. cornutus (Rudolphi, 1809) Szidat, 1928 (with four separate molecular species-level lineages). Moreover, we demonstrated the existence of two divergent phylogenetical and ecological lineages within Cotylurus (one using leeches and other snails as second intermediate hosts), differing significantly in their life history strategies. Competing Interests: The authors declare that they have no competing interest (© 2022 The Authors.)
Databáze:	MEDLINE
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