Worms within worms: First identification of parasitic nematodes in nemerteans.
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PubMed
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| Natura: | Artículo científico |
| Lingua: | en |
| Pubblicazione: |
Journal of helminthology
2025
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| _version_ | 1868266136449056771 |
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| author | Likhacheva, G Neretina, T Cherneva, I |
| author_facet | Likhacheva, G Neretina, T Cherneva, I Likhacheva, G Neretina, T Cherneva, I |
| collection | PubMed - marine biology |
| contents | Worms within worms: First identification of parasitic nematodes in nemerteans. Likhacheva, G Neretina, T Cherneva, I Animals Host-Parasite Interactions Nematoda Larva Host Specificity We report the first identification of nematode parasitism in a nemertean host (), representing a novel host-parasite interaction in marine ecosystems. Larvae of the anisakid nematode were discovered within the rhynchocoel of collected from the White Sea, suggesting transmission via ingestion of infected crustaceans - a previously undocumented pathway. The nematode was identified as through both morphological and molecular analyses.The presence of nematode in nemertean implies trophic transmission through nemertean predation on infected amphipods, supported by hoplonemertean feeding strategy. While some fish occasionally consume nemerteans, their low predation frequency suggests could act as a dead-end host.This study expands the known host range of Anisakidae, though it remains uncertain whether nemerteans serve as competent hosts in the life cycle. Nevertheless, the findings highlight the need to assess nemerteans' potential influence on parasite dynamics in fisheries and aquaculture, particularly where they coexist with intermediate and definitive hosts. |
| format | Artículo científico |
| id | pubmed_41140125 |
| institution | PubMed |
| language | en |
| publishDate | 2025 |
| publisher | Journal of helminthology |
| record_format | pubmed |
| spellingShingle | Worms within worms: First identification of parasitic nematodes in nemerteans. Likhacheva, G Neretina, T Cherneva, I Animals Host-Parasite Interactions Nematoda Larva Host Specificity Worms within worms: First identification of parasitic nematodes in nemerteans. Likhacheva, G Neretina, T Cherneva, I Animals Host-Parasite Interactions Nematoda Larva Host Specificity We report the first identification of nematode parasitism in a nemertean host (), representing a novel host-parasite interaction in marine ecosystems. Larvae of the anisakid nematode were discovered within the rhynchocoel of collected from the White Sea, suggesting transmission via ingestion of infected crustaceans - a previously undocumented pathway. The nematode was identified as through both morphological and molecular analyses.The presence of nematode in nemertean implies trophic transmission through nemertean predation on infected amphipods, supported by hoplonemertean feeding strategy. While some fish occasionally consume nemerteans, their low predation frequency suggests could act as a dead-end host.This study expands the known host range of Anisakidae, though it remains uncertain whether nemerteans serve as competent hosts in the life cycle. Nevertheless, the findings highlight the need to assess nemerteans' potential influence on parasite dynamics in fisheries and aquaculture, particularly where they coexist with intermediate and definitive hosts. |
| title | Worms within worms: First identification of parasitic nematodes in nemerteans. |
| topic | Animals Host-Parasite Interactions Nematoda Larva Host Specificity |
| url | https://pubmed.ncbi.nlm.nih.gov/41140125/ |