Morphological and molecular characterisation of two new species of (Digenea: Bucephalidae Poche, 1907) from Jordan & Seale in Mozambique.
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| Formato: | Artículo científico |
| Lenguaje: | en |
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Journal of helminthology
2024
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| author | Dumbo, J C Dos Santos, Q M Avenant-Oldewage, A |
| author_facet | Dumbo, J C Dos Santos, Q M Avenant-Oldewage, A Dumbo, J C Dos Santos, Q M Avenant-Oldewage, A |
| collection | PubMed - marine biology |
| contents | Morphological and molecular characterisation of two new species of (Digenea: Bucephalidae Poche, 1907) from Jordan & Seale in Mozambique. Dumbo, J C Dos Santos, Q M Avenant-Oldewage, A Animals Trematoda Phylogeny DNA, Helminth Trematode Infections Mozambique DNA, Ribosomal RNA, Ribosomal, 28S Fish Diseases Intestines Female Sequence Analysis, DNA DNA, Ribosomal Spacer Species-level delineation of digenetic trematodes is complex and can be best achieved by integrative taxonomy using both genetic characterisation and morphological analysis. Two new Bucephalidae species of the genus Diesing, 1858 are described here based on specimens collected from the intestine of Jordan & Seale following this approach. Adults of n. sp. and n. sp. possess tentacles and a tegument with scales. They are distinguished from their congeners by the arrangement of the digestive structures, the extent of the uterus relative to vitelline fields, and the arrangement of the reproductive structures. n. sp. differs from n. sp. in having the pharynx and mouth positioned in the pre-uterine field, tandem testes, longer body length, and shorter pre-vitelline and post-testicular distance. n. sp. differs from its congeners in having a tube-like intestinal caecum, pharynx and mouth opening positioned in the pre-vitelline field. n. sp. appears to be similar, morphologically and morphometrically, to (Nagaty, 1937). Despite their similarities, n. sp. has a shorter body length and egg size. Moreover, the molecular analysis of 28S and ITS rDNA fragments indicate that n. sp. and n. sp. are closely related phylogenetically but distinct from one another and other Bucephalidae for which molecular data are available. |
| format | Artículo científico |
| id | pubmed_39463349 |
| institution | PubMed |
| language | en |
| publishDate | 2024 |
| publisher | Journal of helminthology |
| record_format | pubmed |
| spellingShingle | Morphological and molecular characterisation of two new species of (Digenea: Bucephalidae Poche, 1907) from Jordan & Seale in Mozambique. Dumbo, J C Dos Santos, Q M Avenant-Oldewage, A Animals Trematoda Phylogeny DNA, Helminth Trematode Infections Mozambique DNA, Ribosomal RNA, Ribosomal, 28S Fish Diseases Intestines Female Sequence Analysis, DNA DNA, Ribosomal Spacer Morphological and molecular characterisation of two new species of (Digenea: Bucephalidae Poche, 1907) from Jordan & Seale in Mozambique. Dumbo, J C Dos Santos, Q M Avenant-Oldewage, A Animals Trematoda Phylogeny DNA, Helminth Trematode Infections Mozambique DNA, Ribosomal RNA, Ribosomal, 28S Fish Diseases Intestines Female Sequence Analysis, DNA DNA, Ribosomal Spacer Species-level delineation of digenetic trematodes is complex and can be best achieved by integrative taxonomy using both genetic characterisation and morphological analysis. Two new Bucephalidae species of the genus Diesing, 1858 are described here based on specimens collected from the intestine of Jordan & Seale following this approach. Adults of n. sp. and n. sp. possess tentacles and a tegument with scales. They are distinguished from their congeners by the arrangement of the digestive structures, the extent of the uterus relative to vitelline fields, and the arrangement of the reproductive structures. n. sp. differs from n. sp. in having the pharynx and mouth positioned in the pre-uterine field, tandem testes, longer body length, and shorter pre-vitelline and post-testicular distance. n. sp. differs from its congeners in having a tube-like intestinal caecum, pharynx and mouth opening positioned in the pre-vitelline field. n. sp. appears to be similar, morphologically and morphometrically, to (Nagaty, 1937). Despite their similarities, n. sp. has a shorter body length and egg size. Moreover, the molecular analysis of 28S and ITS rDNA fragments indicate that n. sp. and n. sp. are closely related phylogenetically but distinct from one another and other Bucephalidae for which molecular data are available. |
| title | Morphological and molecular characterisation of two new species of (Digenea: Bucephalidae Poche, 1907) from Jordan & Seale in Mozambique. |
| topic | Animals Trematoda Phylogeny DNA, Helminth Trematode Infections Mozambique DNA, Ribosomal RNA, Ribosomal, 28S Fish Diseases Intestines Female Sequence Analysis, DNA DNA, Ribosomal Spacer |
| url | https://pubmed.ncbi.nlm.nih.gov/39463349/ |