Krefftascaris (Nematoda, Ascaridoidea) from Australian Side-Necked Turtles with Description of Krefftascaris sharpiloi sp. n. from Chelodina rugosa
Previously known records of ascaridoid nematodes Krefftascaris Sprent, 1980 are summarized and new records of the genus reported. Krefftascaris sharpiloi Tkach, Kuzmin et Snyder, sp. n. is described from specimens found in the stomach of the northern snake-necked turtle Chelodina rugosa collected fr...
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| Мова: | English |
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Інститут зоології ім. І.І. Шмальгаузена НАН України
2010
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| Назва видання: | Вестник зоологии |
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| Цитувати: | Krefftascaris (Nematoda, Ascaridoidea) from Australian Side-Necked Turtles with Description of Krefftascaris sharpiloi sp. n. from Chelodina rugosa / V.V. Tkach, Yu.I. Kuzmin, S.D. Snyder // Вестник зоологии. — 2010. — Т. 44, № 1. — С. 3–13. — Бібліогр.: 22 назв. — англ. |
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irk-123456789-656552020-10-09T17:46:30Z Krefftascaris (Nematoda, Ascaridoidea) from Australian Side-Necked Turtles with Description of Krefftascaris sharpiloi sp. n. from Chelodina rugosa Tkach, V.V. Kuzmin, Yu.I. Snyder, S.D. Фауна и систематика Previously known records of ascaridoid nematodes Krefftascaris Sprent, 1980 are summarized and new records of the genus reported. Krefftascaris sharpiloi Tkach, Kuzmin et Snyder, sp. n. is described from specimens found in the stomach of the northern snake-necked turtle Chelodina rugosa collected from two localities in Northern Territory, Australia. The new species differs from the only previously known Krefftascaris species, K. parmenteri Sprent, 1980, by the presence of thickened and bifurcated anterior edges of the lateral cuticular alae and a difference in the relative distance from the anterior end to the nerve ring which is 1.5 to 2 times greater in K. parmenteri. Comparison of approximately 2.100 bases of ribosomal DNA sequences This study contains first reports of Krefftascaris in Chelodina rugosa, Chelodina burrungandjii, Chelodina canni and Emydura tanybaraga and the first records of this genus in the Northern Territory, Queensland and Western Australia. Molecular phylogenetic analysis based on sequences of nuclear small ribosomal subunit gene has demonstrated close affinities between Krefftascaris and Heterocheilus, the type genus of the Heterocheilidae and Heterocheilinae. Parasitism of several species and genera of Heterocheilidae in crocodiles allows us to hypothesize that Krefftascaris may have been acquired by turtles from crocodilians. Обобщены извест.ные ранее и приведены новые данные о нематодах рода Krefftascaris Sprent 1980. Новый вид рода, Krefftascaris sharpiloi Tkach, Kuzmin et Snyder, sp. n., описан из желудка бокошейной чере.пахи Chelodina rugosa из Северной Территории (Австралия). Он отличается от ранее извест.ного K. parmenteri Sprent, 1980 наличием разветвленных утолщений на переднем краю лате.раль.ных кутикулярных крыльев, а также положением нервного кольца относительно переднего кон.ца тела. Это расстояние, отнесенное к длине тела, у нового вида в 1,5–2 раза меньше, чем у K. parmenteri. Сравнение последовательностей около 2100 оснований рибосомальной ДНК Виды рода Krefftascaris впервые обнаружены у хозяев Chelodina rugosa, C. burrungandjii, C. canni и Emydura tanybaraga и на территории австралийских шатов Северная Территория, Квинсленд и Западная Австралия. Моле.ку.лярно-филогенетический анализ, основанный на последо.ва.тель.нос.тях нуклеотидов ядерного гена малой рибосомальной субъеди.ни.цы, показал близость Krefftascaris к роду Heterocheilus, типовому в семействе Heterocheilidae и подсемействе Hetero.chei.linae. Паразитирование некоторых видов и родов Heterocheilidae у крокодилов позволяет нам предположить, что предки Krefftascaris перешли к паразитированию у черепах от этой группы хозяев. 2010 Article Krefftascaris (Nematoda, Ascaridoidea) from Australian Side-Necked Turtles with Description of Krefftascaris sharpiloi sp. n. from Chelodina rugosa / V.V. Tkach, Yu.I. Kuzmin, S.D. Snyder // Вестник зоологии. — 2010. — Т. 44, № 1. — С. 3–13. — Бібліогр.: 22 назв. — англ. 0084-5604 http://dspace.nbuv.gov.ua/handle/123456789/65655 595.132:598.134(94) en Вестник зоологии Інститут зоології ім. І.І. Шмальгаузена НАН України |
| institution |
Digital Library of Periodicals of National Academy of Sciences of Ukraine |
| collection |
DSpace DC |
| language |
English |
| topic |
Фауна и систематика Фауна и систематика |
| spellingShingle |
Фауна и систематика Фауна и систематика Tkach, V.V. Kuzmin, Yu.I. Snyder, S.D. Krefftascaris (Nematoda, Ascaridoidea) from Australian Side-Necked Turtles with Description of Krefftascaris sharpiloi sp. n. from Chelodina rugosa Вестник зоологии |
| description |
Previously known records of ascaridoid nematodes Krefftascaris Sprent, 1980 are summarized and new records of the genus reported. Krefftascaris sharpiloi Tkach, Kuzmin et Snyder, sp. n. is described from specimens found in the stomach of the northern snake-necked turtle Chelodina rugosa collected from two localities in Northern Territory, Australia. The new species differs from the only previously known Krefftascaris species, K. parmenteri Sprent, 1980, by the presence of thickened and bifurcated anterior edges of the lateral cuticular alae and a difference in the relative distance from the anterior end to the nerve ring which is 1.5 to 2 times greater in K. parmenteri. Comparison of approximately 2.100 bases of ribosomal DNA sequences This study contains first reports of Krefftascaris in Chelodina rugosa, Chelodina burrungandjii, Chelodina canni and Emydura tanybaraga and the first records of this genus in the Northern Territory, Queensland and Western Australia. Molecular phylogenetic analysis based on sequences of nuclear small ribosomal subunit gene has demonstrated close affinities between Krefftascaris and Heterocheilus, the type genus of the Heterocheilidae and Heterocheilinae. Parasitism of several species and genera of Heterocheilidae in crocodiles allows us to hypothesize that Krefftascaris may have been acquired by turtles from crocodilians. |
| format |
Article |
| author |
Tkach, V.V. Kuzmin, Yu.I. Snyder, S.D. |
| author_facet |
Tkach, V.V. Kuzmin, Yu.I. Snyder, S.D. |
| author_sort |
Tkach, V.V. |
| title |
Krefftascaris (Nematoda, Ascaridoidea) from Australian Side-Necked Turtles with Description of Krefftascaris sharpiloi sp. n. from Chelodina rugosa |
| title_short |
Krefftascaris (Nematoda, Ascaridoidea) from Australian Side-Necked Turtles with Description of Krefftascaris sharpiloi sp. n. from Chelodina rugosa |
| title_full |
Krefftascaris (Nematoda, Ascaridoidea) from Australian Side-Necked Turtles with Description of Krefftascaris sharpiloi sp. n. from Chelodina rugosa |
| title_fullStr |
Krefftascaris (Nematoda, Ascaridoidea) from Australian Side-Necked Turtles with Description of Krefftascaris sharpiloi sp. n. from Chelodina rugosa |
| title_full_unstemmed |
Krefftascaris (Nematoda, Ascaridoidea) from Australian Side-Necked Turtles with Description of Krefftascaris sharpiloi sp. n. from Chelodina rugosa |
| title_sort |
krefftascaris (nematoda, ascaridoidea) from australian side-necked turtles with description of krefftascaris sharpiloi sp. n. from chelodina rugosa |
| publisher |
Інститут зоології ім. І.І. Шмальгаузена НАН України |
| publishDate |
2010 |
| topic_facet |
Фауна и систематика |
| url |
http://dspace.nbuv.gov.ua/handle/123456789/65655 |
| citation_txt |
Krefftascaris (Nematoda, Ascaridoidea) from Australian Side-Necked Turtles with Description of Krefftascaris sharpiloi sp. n. from Chelodina rugosa / V.V. Tkach, Yu.I. Kuzmin, S.D. Snyder // Вестник зоологии. — 2010. — Т. 44, № 1. — С. 3–13. — Бібліогр.: 22 назв. — англ. |
| series |
Вестник зоологии |
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2023-10-18T18:48:28Z |
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