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, a...

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Bibliographic Details
Published in:International journal for parasitology 2003-11, Vol.33 (13), p.1437-1453
Main Authors: Dubey, J.P, Sreekumar, C
Format: Article
Language:English
Subjects:
Animals
Biological and medical sciences
Biological Assay
Bradyzoites
Brain - parasitology
Cat Diseases - diagnosis
Cat Diseases - parasitology
Cat Diseases - transmission
Cats
Coccidia - pathogenicity
Coccidia - physiology
Coccidia - ultrastructure
Coccidiosis - diagnosis
Coccidiosis - transmission
Coccidiosis - veterinary
Fundamental and applied biological sciences. Psychology
Hammondia hammondi
Interferon-gamma - genetics
Intestinal Diseases, Parasitic - veterinary
Intestine, Small - parasitology
Life cycle
Life Cycle Stages
Life cycle. Host-agent relationship. Pathogenesis
Mice
Mice, Inbred Strains
Mice, Knockout
Microscopy, Electron
Muscles - parasitology
Oocysts
Parasitology - methods
Protozoa
Sporozoites
Tachyzoites
Toxoplasma - physiology
Toxoplasma - ultrastructure
Toxoplasma gondii
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Description
Summary: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.
ISSN:0020-7519
1879-0135
DOI:10.1016/S0020-7519(03)00141-3