{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,30]],"date-time":"2026-07-30T17:08:33Z","timestamp":1785431313734,"version":"3.56.0"},"reference-count":46,"publisher":"Cambridge University Press (CUP)","license":[{"start":{"date-parts":[[2026,1,20]],"date-time":"2026-01-20T00:00:00Z","timestamp":1768867200000},"content-version":"unspecified","delay-in-days":19,"URL":"https:\/\/www.cambridge.org\/core\/terms"}],"funder":[{"DOI":"10.13039\/501100006769","name":"Russian Science Foundation","doi-asserted-by":"publisher","award":["23-74-10101"],"award-info":[{"award-number":["23-74-10101"]}],"id":[{"id":"10.13039\/501100006769","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["J. Helminthol."],"published-print":{"date-parts":[[2026]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:p>\n                    Metacercariae of\n                    <jats:italic>Diplostomum<\/jats:italic>\n                    spp. are globally distributed pathogens that infect the eyes and brains of fish and lampreys, including populations in northern latitudes. This study investigated the species diversity and distribution of\n                    <jats:italic>Diplostomum<\/jats:italic>\n                    in juvenile Atlantic salmon\n                    <jats:italic>Salmo salar<\/jats:italic>\n                    and brown trout\n                    <jats:italic>Salmo trutta<\/jats:italic>\n                    from 11 rivers in northwestern Russia. Phylogenetic analyses revealed two diplostomid species: \u2018\n                    <jats:italic>D. mergi<\/jats:italic>\n                    \u2019 Lineage 3 and\n                    <jats:italic>D. numericum.<\/jats:italic>\n                    It is the first record of these species in the Russian part of the Arctic. These species, previously recorded in Western\/Central Europe and Russian Karelia, likely spread via major migratory flyways of their avian definitive hosts. The species composition of\n                    <jats:italic>Diplostomum<\/jats:italic>\n                    metacercariae in riverine salmonids of the studied region was notably poorer than in lacustrine salmonids from other Arctic localities. The haplotype distributions of recorded\n                    <jats:italic>Diplostomum<\/jats:italic>\n                    species showed no spatial structuring, consistent with broad-scale dispersal processes.\n                  <\/jats:p>","DOI":"10.1017\/s0022149x25100965","type":"journal-article","created":{"date-parts":[[2026,1,20]],"date-time":"2026-01-20T06:31:33Z","timestamp":1768890693000},"source":"Crossref","is-referenced-by-count":1,"title":["Diversity of\n                    <i>Diplostomum<\/i>\n                    spp. (Digenea: Diplostomidae) metacercariae in parrs of\n                    <i>Salmo salar<\/i>\n                    Linnaeus, 1758 and\n                    <i>Salmo trutta<\/i>\n                    Linnaeus, 1758 from the European Russian Far North"],"prefix":"10.1017","volume":"100","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-4572-7882","authenticated-orcid":false,"given":"P.G.","family":"Vlasenko","sequence":"first","affiliation":[{"id":[{"id":"https:\/\/ror.org\/006btmz82","id-type":"ROR","asserted-by":"publisher"}],"name":"Institute of Systematics and Ecology of Animals"},{"name":"Severtsov Institute of Ecology and Evolution"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4822-966X","authenticated-orcid":false,"given":"S.G.","family":"Sokolov","sequence":"additional","affiliation":[{"id":[{"id":"https:\/\/ror.org\/05wgt8358","id-type":"ROR","asserted-by":"publisher"}],"name":"Institute of Biology, Karelian Research 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