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Czasopismo

2004 | 49 | 2 |

Tytuł artykułu

Sarcocystis ramphastosi sp.nov. and Sarcocystis sulfuratusi sp.nov. [Apicomplexa, Sarcocystidae] from the keel-billed toucan [Ramphastos sulfuratus]

Warianty tytułu

Języki publikacji

EN

Abstrakty

EN
Two new species of Sarcocystis, Sarcocystis ramphastosi sp. nov. and Sarcocystis sulfuratusi sp. nov. are described from a naturally infected keel-billed toucan (Ramphastos sulfuratus). Only sarcocysts were found and they were mature. Sarcocysts of S. ramphastosi were up to 3 mm long and up to 1 mm wide. The sarcocyst wall was smooth. The villar protrusions on the sarcocyst wall of S. ramphastosi were up to 6.5 µm long and up to 3 µm wide; they were folded over the sarcocyst wall giving a thin-walled appearance. The microtubules in villar protrusions were smooth and confined to villar protrusions. Bradyzoites in sections were 4-4.5 × 1.3-1.6 µm in size. Sarcocysts of S. sulfuratusi were up to 900 µm long and up to 200 um wide. The sarcocyst wall was smooth and thin-walled. The villar protrusions were up to 4.3 µm long and 1.4 µm wide. The microtubules in villar protrusions extended deeper into the granular layer of the sarcocyst wall and those in the granular layer were more electron-dense than in the villar protrusions. Bradyzoites were 5.0-7.0 × 1.5-2.2 um in size.

Wydawca

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Czasopismo

Rocznik

Tom

49

Numer

2

Opis fizyczny

p.93-101,fig.,ref.

Twórcy

autor
  • Animal and Natural Resources Institute, BARC-East, Building 1001, 10300 Baltimore Avenue, Beltsville, MD 20705-2350,USA
autor
autor

Bibliografia

  • Box E.D., Meier J.L., Smith J.H. 1984. Description of Sarcocystis falcatula Stiles, 1893, a parasite of birds and opossums. Journal of Protozoology, 31, 521-524.
  • Cawthorn R. J., Rainnie D., Wobeser G. 1981. Experimental transmission of Sarcocystis sp. (Protozoa: Sarcocystidae) between the shoveler duck (Anas clypeata) and the striped skunk (Mephitis mephitis). Journal of Wildlife Diseases, 17, 389-394.
  • Drouin T.E., Mahrt J.L. 1980. The morphology of cysts of Sarcocystis infecting birds in western Canada. Canadian Journal of Zoology, 58, 1477-1482.
  • Dubey J.R., Odening K. 2001. Toxoplasmosis and related infections. In: Parasitic diseases of wild mammals (Eds. W.M. Samuel, M.J. Pybus and A.A. Kocan). Iowa State University Press, Ames, 478-519.
  • Dubey J.P., Cawthorn R.J., Speer C.A., Wobeser G.A. 2003. Redescription of the sarcocysts of Sarcocystis rileyi (Apicomplexa: Sarcocystidae). Journal of Eukaryotic Microbiology, 50, 476-482.
  • Dubey J.P., Garner M.M., Stetter M.D., Marsh A.E., Barr B.C. 2001 a. Acute Sarcocystis falcatula-like infection in a carmine bee-eater (Merops nubicus) and immunohistochemical cross reactivity between Sarcocystis falcatula and Sarcocystis neurona. Journal of Parasitology, 87, 824-831.
  • Dubey J.P., Johnson G.C., Bermudez A., Suedmeyer K.W., Fritz D.L. 2001b. Neural sarcocystosis in a straw-necked ibis (Carphibis spinicollis) associated with a Sarcocystis neurona-like organism and description of muscular sarcocysts of an unidentified Sarcocystis species. Journal of Parasitology, 87, 1317-1322.
  • Dubey J.P., Lindsay D.S., Rezende P.C.B., Costa A.J. 2000. Characterization of an unidentified Sarcocystis falcatula-like parasite from the South American opossum, Didelphis albiventris from Brazil. Journal of Eukaryotic Microbiology, 47, 538-544.
  • Dubey J.P., Rosenthal B.M., Speer C.A. 2001c. Sarcocystis lindsayi n. sp. (Protozoa: Sarcocystidae) from the South American opossum, Didelphis albiventris from Brazil. Journal of Eukaryotic Microbiology, 48, 595-603.
  • Dubey J.P., Speer C. A., Fayer R. 1989. Sarcocystosis of animals and man. CRC Press, Boca Raton, Florida, 1-215.
  • Luznar S.L., Avery M.L., Dame J.B., MacKay R.J., Greiner E.C. 2001. Development of Sarcocystis falcatula in its intermediate host, the brown-headed cowbird (Molothrus ater). Veterinary Parasitology, 95, 327-334.

Typ dokumentu

Bibliografia

Identyfikatory

Identyfikator YADDA

bwmeta1.element.agro-article-cfe9b66d-feed-448c-b734-e43977217072
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