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- Title
A Sarcocystid Misidentified as Hepatozoon didelphydis: Molecular Data from a Parasitic Infection in the Blood of the Southern Mouse Opossum ( Thylamys elegans) from Chile.
- Authors
MERINO, SANTIAGO; VÁSQUEZ, RODRIGO A.; MARTÍNEZ, JAVIER; CELIS-DIEZ, JUAN L.; MARTÍNEZ-DE LA PUENTE, JOSU; MARÍN-VIAL, PAULA; SÁNCHEZ-MONSALVEZ, INOCENCIA; PEIRCE, MICHAEL A.
- Abstract
The blood of 21 adult South American mouse opossums ( Thylamys elegans) captured from April through August of 2005 in central Chile was examined for parasites. Light microscopic analysis of blood smears initially suggested that a highly pleomorphic Hepatozoon species typical of American opossums was infecting erythrocytes. Unexpectedly, amplification by PCR and sequencing of a DNA fragment of the small subunit rDNA combined with phylogenetic analyses indicated that the parasite is not a member of the suborder Adeleorina, which includes the Haemogregarina and Hepatozoon species, but that it is a clearly distinct member of the suborder Eimeriorina, which includes the cyst-forming family Sarcocystidae. Therefore, a reclassification of this unusual intraerythrocytic apicomplexan will require additional life cycle, microscopic, and molecular analyses.
- Subjects
PHYLOGENY; MARMOSA; L-form bacteria; ERYTHROCYTES; RECOMBINANT DNA
- Publication
Journal of Eukaryotic Microbiology, 2008, Vol 55, Issue 6, p536
- ISSN
1066-5234
- Publication type
Article
- DOI
10.1111/j.1550-7408.2008.00358.x