A comparative assessment of the morphology of Profilicollis altmani (Acanthocephala, Polymorphidae) from crustaceans and shore birds in Peru, with special notes on hook elemental analysis (EDXA), SEM imaging, histopathology, and molecular profile
The morphology of cystacanths and adults of Profilicollis altmani (Perry, 1942) Van Cleave, 1947 (Polymorphidae) were studied from the Pacific mole crab Emerita analoga (Stimpson) (Crustacea, Hippidae) and Belcher’s gull Larus belcheri (Vigors) (Aves, Laridae), respectively, in Peru. Comparative mor...
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| Format: | Article |
| Language: | English |
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EDP Sciences
2022-01-01
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| Series: | Parasite |
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| Online Access: | https://www.parasite-journal.org/articles/parasite/full_html/2022/01/parasite210110/parasite210110.html |
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| author | Amin Omar M. Rodríguez Sara M. Rubtsova Nataliya Heckmann Richard A. Peña César Castro Teresa Rivera Felipe D’Elía Guillermo |
| author_facet | Amin Omar M. Rodríguez Sara M. Rubtsova Nataliya Heckmann Richard A. Peña César Castro Teresa Rivera Felipe D’Elía Guillermo |
| author_sort | Amin Omar M. |
| collection | DOAJ |
| description | The morphology of cystacanths and adults of Profilicollis altmani (Perry, 1942) Van Cleave, 1947 (Polymorphidae) were studied from the Pacific mole crab Emerita analoga (Stimpson) (Crustacea, Hippidae) and Belcher’s gull Larus belcheri (Vigors) (Aves, Laridae), respectively, in Peru. Comparative morphometrics with accounts of other populations of P. altmani from elsewhere off the Pacific and Atlantic coasts of North and South America revealed marked intraspecific population variations. We report scanning electron micrographs (SEM) of new features, not before noted or captured in line drawings by earlier observers. We further present microscope images that reveal internal details not previously reported or possible to see with SEM. Energy dispersive X-ray analysis (EDXA) revealed unusual patterns in the chemistry of proboscis hooks especially the high sulfur and diminished phosphorous and calcium in hook tips and low sulfur and high levels of phosphorous and calcium at mid hooks. The size and shape of all hooks of the cystacanths are reported for the first time. Histopathological studies in L. belcheri from Peru are also included. Cystacanths of P. altmani from California were also analyzed for molecular patterns and compared with other sequences reported from other locations. The molecular data and the analysis of our new sequences of cytochrome oxidase I (COI) showed that haplotypes of P. altmani had low genetic variation; the species is not geographically structured, and within its clade no monophyletic group is formed. |
| first_indexed | 2024-03-11T14:01:12Z |
| format | Article |
| id | doaj.art-60158fca53c6466ca2a5547c3666f808 |
| institution | Directory Open Access Journal |
| issn | 1776-1042 |
| language | English |
| last_indexed | 2024-03-11T14:01:12Z |
| publishDate | 2022-01-01 |
| publisher | EDP Sciences |
| record_format | Article |
| series | Parasite |
| spelling | doaj.art-60158fca53c6466ca2a5547c3666f8082023-11-02T04:38:51ZengEDP SciencesParasite1776-10422022-01-0129910.1051/parasite/2022005parasite210110A comparative assessment of the morphology of Profilicollis altmani (Acanthocephala, Polymorphidae) from crustaceans and shore birds in Peru, with special notes on hook elemental analysis (EDXA), SEM imaging, histopathology, and molecular profileAmin Omar M.0Rodríguez Sara M.1Rubtsova Nataliya2Heckmann Richard A.3Peña César4Castro Teresa5Rivera Felipe6D’Elía Guillermo7Institute of Parasitic DiseasesInstituto de Ciencias Marinas y Limnológicas, Facultad de Ciencias, Universidad Austral de ChileInstitute of Parasitic DiseasesDepartment of Biology, Brigham Young UniversityDepartamento de Acuicultura, Facultad de Oceanografía y Pesquería, Universidad Nacional Federico VillarrealLaboratorio de Patobiología Acuática, Dirección General de Investigaciones en Acuicultura, Instituto del Mar del Perú (IMARPE)Electron Microscopy Facility, Brigham Young UniversityInstituto de Ciencias Ambientales y Evolutivas, Facultad de Ciencias, Universidad Austral de Chile, ValdiviaThe morphology of cystacanths and adults of Profilicollis altmani (Perry, 1942) Van Cleave, 1947 (Polymorphidae) were studied from the Pacific mole crab Emerita analoga (Stimpson) (Crustacea, Hippidae) and Belcher’s gull Larus belcheri (Vigors) (Aves, Laridae), respectively, in Peru. Comparative morphometrics with accounts of other populations of P. altmani from elsewhere off the Pacific and Atlantic coasts of North and South America revealed marked intraspecific population variations. We report scanning electron micrographs (SEM) of new features, not before noted or captured in line drawings by earlier observers. We further present microscope images that reveal internal details not previously reported or possible to see with SEM. Energy dispersive X-ray analysis (EDXA) revealed unusual patterns in the chemistry of proboscis hooks especially the high sulfur and diminished phosphorous and calcium in hook tips and low sulfur and high levels of phosphorous and calcium at mid hooks. The size and shape of all hooks of the cystacanths are reported for the first time. Histopathological studies in L. belcheri from Peru are also included. Cystacanths of P. altmani from California were also analyzed for molecular patterns and compared with other sequences reported from other locations. The molecular data and the analysis of our new sequences of cytochrome oxidase I (COI) showed that haplotypes of P. altmani had low genetic variation; the species is not geographically structured, and within its clade no monophyletic group is formed.https://www.parasite-journal.org/articles/parasite/full_html/2022/01/parasite210110/parasite210110.htmlacanthocephalaprofilicollis altmani cystacanthsemerita analogaadultslarus belcheriperudescriptionsedxamolecular profilehistopathology |
| spellingShingle | Amin Omar M. Rodríguez Sara M. Rubtsova Nataliya Heckmann Richard A. Peña César Castro Teresa Rivera Felipe D’Elía Guillermo A comparative assessment of the morphology of Profilicollis altmani (Acanthocephala, Polymorphidae) from crustaceans and shore birds in Peru, with special notes on hook elemental analysis (EDXA), SEM imaging, histopathology, and molecular profile Parasite acanthocephala profilicollis altmani cystacanths emerita analoga adults larus belcheri peru descriptions edxa molecular profile histopathology |
| title | A comparative assessment of the morphology of Profilicollis altmani (Acanthocephala, Polymorphidae) from crustaceans and shore birds in Peru, with special notes on hook elemental analysis (EDXA), SEM imaging, histopathology, and molecular profile |
| title_full | A comparative assessment of the morphology of Profilicollis altmani (Acanthocephala, Polymorphidae) from crustaceans and shore birds in Peru, with special notes on hook elemental analysis (EDXA), SEM imaging, histopathology, and molecular profile |
| title_fullStr | A comparative assessment of the morphology of Profilicollis altmani (Acanthocephala, Polymorphidae) from crustaceans and shore birds in Peru, with special notes on hook elemental analysis (EDXA), SEM imaging, histopathology, and molecular profile |
| title_full_unstemmed | A comparative assessment of the morphology of Profilicollis altmani (Acanthocephala, Polymorphidae) from crustaceans and shore birds in Peru, with special notes on hook elemental analysis (EDXA), SEM imaging, histopathology, and molecular profile |
| title_short | A comparative assessment of the morphology of Profilicollis altmani (Acanthocephala, Polymorphidae) from crustaceans and shore birds in Peru, with special notes on hook elemental analysis (EDXA), SEM imaging, histopathology, and molecular profile |
| title_sort | comparative assessment of the morphology of profilicollis altmani acanthocephala polymorphidae from crustaceans and shore birds in peru with special notes on hook elemental analysis edxa sem imaging histopathology and molecular profile |
| topic | acanthocephala profilicollis altmani cystacanths emerita analoga adults larus belcheri peru descriptions edxa molecular profile histopathology |
| url | https://www.parasite-journal.org/articles/parasite/full_html/2022/01/parasite210110/parasite210110.html |
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