Genetic Structure of Juvenile Stages of <i>Phocanema bulbosum</i> (Nematoda, Chromadorea: Anisakidae) Parasitizing Commercial Fish, Atlantic Cod <i>Gadus morhua,</i> and American Plaice <i>Hippoglossoides platessoides</i> in the Barents Sea
Atlantic cod <i>Gadus morhua</i> and American plaice <i>Hippoglossoides platessoides</i> are two of the most commercially valuable species in the Barents Sea (FAO Area 27). They are considered as an important but neglected source of zoonotic risk associated with nematodes fro...
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2023-09-01
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| author | Ilya I. Gordeev Yuri I. Bakay Marina Yu. Kalashnikova Andrey D. Logvinenko Olga R. Emelianova Sergey G. Sokolov |
| author_facet | Ilya I. Gordeev Yuri I. Bakay Marina Yu. Kalashnikova Andrey D. Logvinenko Olga R. Emelianova Sergey G. Sokolov |
| author_sort | Ilya I. Gordeev |
| collection | DOAJ |
| description | Atlantic cod <i>Gadus morhua</i> and American plaice <i>Hippoglossoides platessoides</i> are two of the most commercially valuable species in the Barents Sea (FAO Area 27). They are considered as an important but neglected source of zoonotic risk associated with nematodes from the genus <i>Phocanema</i>. The abundance of <i>Phocanema</i> spp. in a fish host individual in the Barents Sea may be quite high, which is convenient for studying the genetic structure of its populations. A total of 69 third-stage juveniles of <i>Phocanema</i> spp. were isolated from the liver, the mesentery, and the musculature of <i>G. morhua</i> and <i>H. platessoides</i> and genotyped by the mtDNA <i>Cox2</i> gene. Almost all these juveniles (68) were molecularly identified as <i>P. bulbosum.</i> The mtDNA <i>Cox2</i> gene was also used to reveal the haplotype diversity and the genetic structure of <i>P. bulbosum.</i> A comparison of the specimens examined in this study with each other and with the haplotypes previously identified by us in the White Sea showed that there were no significant differences between the groups from different hosts and from different catch areas. |
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| issn | 1424-2818 |
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| spelling | doaj.art-418e80d75dcb4793a1d942ed5e0cd84a2023-11-19T16:14:07ZengMDPI AGDiversity1424-28182023-09-011510103610.3390/d15101036Genetic Structure of Juvenile Stages of <i>Phocanema bulbosum</i> (Nematoda, Chromadorea: Anisakidae) Parasitizing Commercial Fish, Atlantic Cod <i>Gadus morhua,</i> and American Plaice <i>Hippoglossoides platessoides</i> in the Barents SeaIlya I. Gordeev0Yuri I. Bakay1Marina Yu. Kalashnikova2Andrey D. Logvinenko3Olga R. Emelianova4Sergey G. Sokolov5Pacific Salmon Department, Russian Federal Research Institute of Fisheries and Oceanography, Okruzhnoy Proyezd 19, 105187 Moscow, RussiaLaboratory of Aquaculture and Hydrobionts Diseases, Polar Branch of the Russian Federal Research Institute of Fisheries and Oceanography, Akademika Knipovicha Srt. 6, 183038 Murmansk, RussiaLaboratory of Aquaculture and Hydrobionts Diseases, Polar Branch of the Russian Federal Research Institute of Fisheries and Oceanography, Akademika Knipovicha Srt. 6, 183038 Murmansk, RussiaDepartment of Invertebrate Zoology, Faculty of Biology, Lomonosov Moscow State University, Leninskie Gory 1/12, 119234 Moscow, RussiaMolecular Genetics Department, Russian Federal Research Institute of Fisheries and Oceanography, Okruzhnoy Proyezd 19, 105187 Moscow, RussiaCenter of Parasitology, A.N. Severtsov Institute of Ecology and Evolution, Russian Academy of Sciences, Leninskiy Pros. 33, 119071 Moscow, RussiaAtlantic cod <i>Gadus morhua</i> and American plaice <i>Hippoglossoides platessoides</i> are two of the most commercially valuable species in the Barents Sea (FAO Area 27). They are considered as an important but neglected source of zoonotic risk associated with nematodes from the genus <i>Phocanema</i>. The abundance of <i>Phocanema</i> spp. in a fish host individual in the Barents Sea may be quite high, which is convenient for studying the genetic structure of its populations. A total of 69 third-stage juveniles of <i>Phocanema</i> spp. were isolated from the liver, the mesentery, and the musculature of <i>G. morhua</i> and <i>H. platessoides</i> and genotyped by the mtDNA <i>Cox2</i> gene. Almost all these juveniles (68) were molecularly identified as <i>P. bulbosum.</i> The mtDNA <i>Cox2</i> gene was also used to reveal the haplotype diversity and the genetic structure of <i>P. bulbosum.</i> A comparison of the specimens examined in this study with each other and with the haplotypes previously identified by us in the White Sea showed that there were no significant differences between the groups from different hosts and from different catch areas.https://www.mdpi.com/1424-2818/15/10/1036nematodecodfish infectionhelminth<i>Phocanema</i> |
| spellingShingle | Ilya I. Gordeev Yuri I. Bakay Marina Yu. Kalashnikova Andrey D. Logvinenko Olga R. Emelianova Sergey G. Sokolov Genetic Structure of Juvenile Stages of <i>Phocanema bulbosum</i> (Nematoda, Chromadorea: Anisakidae) Parasitizing Commercial Fish, Atlantic Cod <i>Gadus morhua,</i> and American Plaice <i>Hippoglossoides platessoides</i> in the Barents Sea Diversity nematode cod fish infection helminth <i>Phocanema</i> |
| title | Genetic Structure of Juvenile Stages of <i>Phocanema bulbosum</i> (Nematoda, Chromadorea: Anisakidae) Parasitizing Commercial Fish, Atlantic Cod <i>Gadus morhua,</i> and American Plaice <i>Hippoglossoides platessoides</i> in the Barents Sea |
| title_full | Genetic Structure of Juvenile Stages of <i>Phocanema bulbosum</i> (Nematoda, Chromadorea: Anisakidae) Parasitizing Commercial Fish, Atlantic Cod <i>Gadus morhua,</i> and American Plaice <i>Hippoglossoides platessoides</i> in the Barents Sea |
| title_fullStr | Genetic Structure of Juvenile Stages of <i>Phocanema bulbosum</i> (Nematoda, Chromadorea: Anisakidae) Parasitizing Commercial Fish, Atlantic Cod <i>Gadus morhua,</i> and American Plaice <i>Hippoglossoides platessoides</i> in the Barents Sea |
| title_full_unstemmed | Genetic Structure of Juvenile Stages of <i>Phocanema bulbosum</i> (Nematoda, Chromadorea: Anisakidae) Parasitizing Commercial Fish, Atlantic Cod <i>Gadus morhua,</i> and American Plaice <i>Hippoglossoides platessoides</i> in the Barents Sea |
| title_short | Genetic Structure of Juvenile Stages of <i>Phocanema bulbosum</i> (Nematoda, Chromadorea: Anisakidae) Parasitizing Commercial Fish, Atlantic Cod <i>Gadus morhua,</i> and American Plaice <i>Hippoglossoides platessoides</i> in the Barents Sea |
| title_sort | genetic structure of juvenile stages of i phocanema bulbosum i nematoda chromadorea anisakidae parasitizing commercial fish atlantic cod i gadus morhua i and american plaice i hippoglossoides platessoides i in the barents sea |
| topic | nematode cod fish infection helminth <i>Phocanema</i> |
| url | https://www.mdpi.com/1424-2818/15/10/1036 |
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