Abstract:
PURPOSE:Endoparasitic nematodes of six harbour porpoises Phocoena phocoena and four grey seals Halichoerus grypus, stranded at the eastern coast of the Baltic Sea in Germany in winter 2019, were analysed in order to identify nematode parasites and to compare with recent studies from the same area. METHODS:Endoparasitic nematodes were identified by using both morphological and molecular characters. The successfully obtained sequences of the rDNA marker regions ITS-1, 5.8S, ITS-2 from 29 anisakid and the rDNA marker region ITS-2 of 11 pseudalid nematodes were amplified. RESULTS:Analyses revealed the presence of three parasite species, the anisakid nematode Contracaecum osculatum from grey seals and the pseudalid nematodes Pseudalius inflexus and Stenurus minor from the harbour porpoises. Other anisakid nematodes regularly occurring in the Baltic Sea, e.g. Anisakis simplex or Pseudoterranova decipiens, were not found. CONCLUSIONS:The prevalence of 100% and a severe parasite load in grey seals demonstrated a very high C. osculatum infection of Baltic Sea fish as their regular prey. Prevalence of 33% for parasites in harbour porpoises and minor infection rates, combined with a distinct lack of anisakid nematodes, are typical for the current situation of the porpoise parasite fauna in the Baltic Sea. Invasive parasite species as possible indicators for climate change could not be detected.
journal_name
Acta Parasitoljournal_title
Acta parasitologicaauthors
Gabel M,Theisen S,Palm HW,Dähne M,Unger Pdoi
10.1007/s11686-020-00246-7subject
Has Abstractpub_date
2020-07-08 00:00:00eissn
1230-2821issn
1896-1851pii
10.1007/s11686-020-00246-7pub_type
杂志文章abstract:PURPOSE:Due to mass population movements driven by internal conflicts and wars, cutaneous leishmaniasis (CL) is becoming increasingly important in Turkey. This study is aimed at determining the clinical aspects, diagnosis and genotyping of CL patients coming to Turkey from abroad. METHODS:In our study, the clinical ma...
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更新日期:2013-03-01 00:00:00
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更新日期:2016-04-01 00:00:00
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更新日期:2020-03-01 00:00:00
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更新日期:2014-09-01 00:00:00
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