Redescription of Hammondia hammondi and its differentiation from Toxoplasma gondii.
Hammondia hammondi is a protozoan parasite that, until 1975, was misidentified as Toxoplasma gondii. Recently, the validity of H. hammondi has been questioned. In this article, the authors redescribe the parasite and its life cycle, provide accession numbers to its specimens deposited in a museum, and distinguish it structurally and biologically from T. gondii. Hammondia hammondi was found to be structurally, biologically, and molecularly different from T. gondii.
United States Department of Agriculture, Beltsville Agricultural Research Center, Animal and Natural Resources Institute, Animal Parasitic Diseases Laboratory, Building 1001, BARC-East, Beltsville, MD 20705-2350, USA. jdubey@anri.barc.usda.gov
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JP
Dubey
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Sreekumar
D000818:Animals; D001681:Biological Assay; D001921:Brain / Q000469:parasitology; D002371:Cat Diseases / Q000175:diagnosis / Q000469:parasitology* / Q000635:transmission; D002415:Cats; D003044:Coccidia / Q000472:pathogenicity / Q000502:physiology* / Q000648:ultrastructure*; D003048:Coccidiosis / Q000175:diagnosis / Q000635:transmission / Q000662:veterinary*; D007371:Interferon-gamma / Q000235:genetics; D007411:Intestinal Diseases, Parasitic / Q000662:veterinary*; D007421:Intestine, Small / Q000469:parasitology*; D008018:Life Cycle Stages; D051379:Mice; D008815:Mice, Inbred Strains; D018345:Mice, Knockout; D008854:Microscopy, Electron; D009132:Muscles / Q000469:parasitology; D033661:Oocysts; D010274:Parasitology / Q000379:methods; D014122:Toxoplasma / Q000502:physiology / Q000648:ultrastructure
D007371:Interferon-gamma