Icosiella neglecta (Nematoda, Onchocercidae) in Ukraine: Occurrence, Hosts, Morphological and Molecular Characterisation
Icosiella neglecta (Diesing, 1851) is a filarial nematode infecting anuran amphibians in the western Palaearctic. In the present survey, we found I. neglecta in 27 out of 28 localities in eight regions of Ukraine. In those localities, 56.5 % of sampled green frogs (Pelophylax esculentus complex) wer...
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| Дата: | 2023 |
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Publishing House "Akademperiodyka" of the National Academy of Sciences of Ukraine
2023
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zoodiv-article-4022023-12-05T09:39:19Z Icosiella neglecta (Nematoda, Onchocercidae) in Ukraine: Occurrence, Hosts, Morphological and Molecular Characterisation Kuzmin, Yu. Dmytriieva, I. Svitin, R. Icosiella Pelophylax filaria morphometry COI Ukraine Icosiella neglecta (Diesing, 1851) is a filarial nematode infecting anuran amphibians in the western Palaearctic. In the present survey, we found I. neglecta in 27 out of 28 localities in eight regions of Ukraine. In those localities, 56.5 % of sampled green frogs (Pelophylax esculentus complex) were infected. The infection prevalence was similar in the two parental species, P. ridibundus (Pallas) and P. lessonae (Camerano), and their hybrid form, P. esculentus (Linnaeus), while the infection intensity was comparatively higher in P. ridibundus, as well as in the samples including both P. ridibundus and P. esculentus. Morphological examination of 40 females and 80 males of I. neglecta confirmed the consistency of main qualitative characters, whereas most metrical characters appeared to be rather variable and related to body length. Muscular oesophagus dimensions and spicule length in males were found to be the least variable. In the studied sample of males, 54 % had a longer spicule on the left side and a shorter one on the right side; the other 46 % had a longer spicule on the right side. Our molecular study using mitochondrial COI gene sequences confirmed the strong genetic similarity of I. neglecta populations in Ukraine and most other parts of its distribution area. A single nuclear 18S sequence generated was identical to one previously deposited in GenBank, originating from Ukraine. Publishing House "Akademperiodyka" of the National Academy of Sciences of Ukraine 2023-01-09 Article Article application/pdf https://ojs.akademperiodyka.org.ua/index.php/Zoodiversity/article/view/402 10.15407/zoo2023.01.075 Zoodiversity; Vol. 57 No. 1 (2023): Zoodiversity Zoodiversity (Vestnik Zoologii); Том 57 № 1 (2023): Zoodiversity 2707-7268 2707-725X 10.15407/zoo2023.01 en https://ojs.akademperiodyka.org.ua/index.php/Zoodiversity/article/view/402/198 Copyright (c) 2023 Publisher Publishing House "Academperiodyka" of the NAS of Ukraine |
| institution |
Journal Zoodiversity |
| collection |
OJS |
| language |
English |
| topic |
Icosiella Pelophylax filaria morphometry COI Ukraine |
| spellingShingle |
Icosiella Pelophylax filaria morphometry COI Ukraine Kuzmin, Yu. Dmytriieva, I. Svitin, R. Icosiella neglecta (Nematoda, Onchocercidae) in Ukraine: Occurrence, Hosts, Morphological and Molecular Characterisation |
| topic_facet |
Icosiella Pelophylax filaria morphometry COI Ukraine |
| format |
Article |
| author |
Kuzmin, Yu. Dmytriieva, I. Svitin, R. |
| author_facet |
Kuzmin, Yu. Dmytriieva, I. Svitin, R. |
| author_sort |
Kuzmin, Yu. |
| title |
Icosiella neglecta (Nematoda, Onchocercidae) in Ukraine: Occurrence, Hosts, Morphological and Molecular Characterisation |
| title_short |
Icosiella neglecta (Nematoda, Onchocercidae) in Ukraine: Occurrence, Hosts, Morphological and Molecular Characterisation |
| title_full |
Icosiella neglecta (Nematoda, Onchocercidae) in Ukraine: Occurrence, Hosts, Morphological and Molecular Characterisation |
| title_fullStr |
Icosiella neglecta (Nematoda, Onchocercidae) in Ukraine: Occurrence, Hosts, Morphological and Molecular Characterisation |
| title_full_unstemmed |
Icosiella neglecta (Nematoda, Onchocercidae) in Ukraine: Occurrence, Hosts, Morphological and Molecular Characterisation |
| title_sort |
icosiella neglecta (nematoda, onchocercidae) in ukraine: occurrence, hosts, morphological and molecular characterisation |
| description |
Icosiella neglecta (Diesing, 1851) is a filarial nematode infecting anuran amphibians in the western Palaearctic. In the present survey, we found I. neglecta in 27 out of 28 localities in eight regions of Ukraine. In those localities, 56.5 % of sampled green frogs (Pelophylax esculentus complex) were infected. The infection prevalence was similar in the two parental species, P. ridibundus (Pallas) and P. lessonae (Camerano), and their hybrid form, P. esculentus (Linnaeus), while the infection intensity was comparatively higher in P. ridibundus, as well as in the samples including both P. ridibundus and P. esculentus. Morphological examination of 40 females and 80 males of I. neglecta confirmed the consistency of main qualitative characters, whereas most metrical characters appeared to be rather variable and related to body length. Muscular oesophagus dimensions and spicule length in males were found to be the least variable. In the studied sample of males, 54 % had a longer spicule on the left side and a shorter one on the right side; the other 46 % had a longer spicule on the right side. Our molecular study using mitochondrial COI gene sequences confirmed the strong genetic similarity of I. neglecta populations in Ukraine and most other parts of its distribution area. A single nuclear 18S sequence generated was identical to one previously deposited in GenBank, originating from Ukraine. |
| publisher |
Publishing House "Akademperiodyka" of the National Academy of Sciences of Ukraine |
| publishDate |
2023 |
| url |
https://ojs.akademperiodyka.org.ua/index.php/Zoodiversity/article/view/402 |
| work_keys_str_mv |
AT kuzminyu icosiellaneglectanematodaonchocercidaeinukraineoccurrencehostsmorphologicalandmolecularcharacterisation AT dmytriievai icosiellaneglectanematodaonchocercidaeinukraineoccurrencehostsmorphologicalandmolecularcharacterisation AT svitinr icosiellaneglectanematodaonchocercidaeinukraineoccurrencehostsmorphologicalandmolecularcharacterisation |
| first_indexed |
2023-04-04T18:53:39Z |
| last_indexed |
2024-03-30T06:06:22Z |
| _version_ |
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