Please use this identifier to cite or link to this item:https://hdl.handle.net/20.500.12259/39062
Type of publication: Straipsnis Clarivate Analytics Web of Science ar/ir Scopus / Article in Clarivate Analytics Web of Science or / and Scopus (S1)
Field of Science: Ekologija ir aplinkotyra / Ecology and environmental sciences (N012)
Author(s): Prakas, Petras;Kutkienė, Liuda;Butkauskas, Dalius;Sruoga, Aniolas;Žalakevičius, Mečislovas
Title: Description of Sarcocystis lari sp n. (Apicomplexa: Sarcocystidae) from the great black-backed gull, Larus marinus (Charadriiformes: Laridae), on the basis of cyst morphology and molecular data
Is part of: Folia parasitologica. Ceske Budejovice : Folia Parasitologica, Vol. 61, iss. 1 (2014)
Extent: p. 11-17
Date: 2014
Keywords: Heteroxenous coccidia;New species;Taxonomy;Electron microscopy;18S rDNA;28S rDNA;ITS-1;Phylogeny
Abstract: A morphological type of Sarcocystis cysts found in one of two examined great black-backed gull, Larus marinus (Linnaeus) (Laridae), is considered to represent a new species for which the name Sarcocystis lari sp. n. is proposed and its description is provided. The cysts are ribbon-shaped, very long (the largest fragment found was 6 mm long) and relatively narrow (up to 75 microm). Under a light microscope the cyst wall reaches up to 1 microm and seems to be smooth. Using a computerized image analysis system, knolls, which resemble protrusions on the wall surface, are visible. Lancet-shaped cystozoites measure in average 6.9 x 1.4 microm (range 6.3-7.9 microm x 1.2-1.5 microm) in length. Observed using Transmission electron microscopy (TEM), the cyst wall is wavy and measures up to 1.2 microm in thickness. The parasitophorous vacuolar membrane has regularly arranged small invaginations. Cyst content is divided into large chambers by septa. Sarcocystis lari sp. n. has type-1 tissue cyst wall and is morphologically indistinguishable from other bird Sarcocystis species characterized by the same type of the wall. On the basis of 18S rRNA gene, 28S rRNA gene and ITS-1 region sequences, S. lari is a genetically distinct species, being most closely related to avian Sarcocystis species whose definitive hosts are predatory birds
Internet: https://hdl.handle.net/20.500.12259/39062
Affiliation(s): Biologijos katedra
Gamtos mokslų fakultetas
Gamtos tyrimų centro Ekologijos institutas
Gamtos tyrimų centro Ekologijos institutas, dalius@ekoi.lt
Gamtos tyrimų centro Ekologijos institutas, mza@ekoi.lt
Vytauto Didžiojo universitetas
Appears in Collections:Universiteto mokslo publikacijos / University Research Publications

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