Novel contribution to the taxonomy and molecular phylogeny of scuticociliates (Protozoa): Resolving the non-monophyly of the genus Paranophrys Thompson and Berger, 1965 and the establishment of the genus Anteparanophrys n. gen.
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Journal of invertebrate pathology
2025
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| author | Yeo, Jeong Hyeon Omar, Atef Lee, Sang-Hui Jung, Jae-Ho |
| author_facet | Yeo, Jeong Hyeon Omar, Atef Lee, Sang-Hui Jung, Jae-Ho Yeo, Jeong Hyeon Omar, Atef Lee, Sang-Hui Jung, Jae-Ho |
| collection | PubMed - marine biology |
| contents | Novel contribution to the taxonomy and molecular phylogeny of scuticociliates (Protozoa): Resolving the non-monophyly of the genus Paranophrys Thompson and Berger, 1965 and the establishment of the genus Anteparanophrys n. gen. Yeo, Jeong Hyeon Omar, Atef Lee, Sang-Hui Jung, Jae-Ho Phylogeny Oligohymenophorea Microscopy, Electron, Scanning Republic of Korea RNA, Ribosomal, 18S During a field survey of parasitic ciliates diversity in South Korea, a scuticociliate was found in a water sample collected during scuba diving. At first glance, the species looks similar to members of the genus Paranophrys especially P. magna but they differ mainly in the body size and the number of somatic kineties. Thus, integrative taxonomic approaches (i.e., silver impregnations, scanning electron microscopy, and molecular phylogeny) were applied and confirmed that the isolate is a new species. Detailed comparison between the new species and the three members of the genus Paranophrys revealed that the new species is similar to P. magna in having membranelle 1 slightly shorter than membranelle 2 and the monokinetids are randomly scattered between dikinetids within each somatic kinety. On the other hand, membranelle 1 in both P. marina (type species) and P. thompsoni is about three times longer than membranelle 2 and their ciliary rows invariably consist of dikinetids anteriorly and monokinetids posteriorly. Observations on the feeding behavior and habitat suggest that the new species is facultative histophagous. Phylogenetic analyses based on 18S rRNA gene indicate that the new species and P. magna belong to the newly established genus Anteparanophrys n. gen. i.e., Anteparanophrys koreana n. sp. and Anteparanophrys magna (Borror, 1972) n. comb. |
| format | Artículo científico |
| id | pubmed_39761820 |
| institution | PubMed |
| language | en |
| publishDate | 2025 |
| publisher | Journal of invertebrate pathology |
| record_format | pubmed |
| spellingShingle | Novel contribution to the taxonomy and molecular phylogeny of scuticociliates (Protozoa): Resolving the non-monophyly of the genus Paranophrys Thompson and Berger, 1965 and the establishment of the genus Anteparanophrys n. gen. Yeo, Jeong Hyeon Omar, Atef Lee, Sang-Hui Jung, Jae-Ho Phylogeny Oligohymenophorea Microscopy, Electron, Scanning Republic of Korea RNA, Ribosomal, 18S Novel contribution to the taxonomy and molecular phylogeny of scuticociliates (Protozoa): Resolving the non-monophyly of the genus Paranophrys Thompson and Berger, 1965 and the establishment of the genus Anteparanophrys n. gen. Yeo, Jeong Hyeon Omar, Atef Lee, Sang-Hui Jung, Jae-Ho Phylogeny Oligohymenophorea Microscopy, Electron, Scanning Republic of Korea RNA, Ribosomal, 18S During a field survey of parasitic ciliates diversity in South Korea, a scuticociliate was found in a water sample collected during scuba diving. At first glance, the species looks similar to members of the genus Paranophrys especially P. magna but they differ mainly in the body size and the number of somatic kineties. Thus, integrative taxonomic approaches (i.e., silver impregnations, scanning electron microscopy, and molecular phylogeny) were applied and confirmed that the isolate is a new species. Detailed comparison between the new species and the three members of the genus Paranophrys revealed that the new species is similar to P. magna in having membranelle 1 slightly shorter than membranelle 2 and the monokinetids are randomly scattered between dikinetids within each somatic kinety. On the other hand, membranelle 1 in both P. marina (type species) and P. thompsoni is about three times longer than membranelle 2 and their ciliary rows invariably consist of dikinetids anteriorly and monokinetids posteriorly. Observations on the feeding behavior and habitat suggest that the new species is facultative histophagous. Phylogenetic analyses based on 18S rRNA gene indicate that the new species and P. magna belong to the newly established genus Anteparanophrys n. gen. i.e., Anteparanophrys koreana n. sp. and Anteparanophrys magna (Borror, 1972) n. comb. |
| title | Novel contribution to the taxonomy and molecular phylogeny of scuticociliates (Protozoa): Resolving the non-monophyly of the genus Paranophrys Thompson and Berger, 1965 and the establishment of the genus Anteparanophrys n. gen. |
| topic | Phylogeny Oligohymenophorea Microscopy, Electron, Scanning Republic of Korea RNA, Ribosomal, 18S |
| url | https://pubmed.ncbi.nlm.nih.gov/39761820/ |