Genotypic status of Babesia microti within the piroplasms

For resolution of the controversial taxonomic status of Babesia microti in relation to other Babesia and Theileria spp. a phylogenetic analysis of an American and a German B. microti strain was performed on the basis of sequences of the small-subunit rRNA gene (rDNA) using distance-matrix, maximum-p...

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Bibliographic Details
Published in:Parasitology research (1987) 2000-08, Vol.86 (8), p.642-646
Main Authors: ZAHLER, M, RINDER, H, GOTHE, R
Format: Article
Language:English
Subjects:
Algorithms
Animals
Babesia - classification
Babesia - genetics
Biological and medical sciences
DNA, Ribosomal - genetics
Fundamental and applied biological sciences. Psychology
Genotype
Likelihood Functions
Molecular Sequence Data
Piroplasmida - classification
Piroplasmida - genetics
Protozoa
RNA, Ribosomal, 18S - genetics
Sequence Alignment
Systematics. Geographical distribution. Morphology. Cytology
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Summary:For resolution of the controversial taxonomic status of Babesia microti in relation to other Babesia and Theileria spp. a phylogenetic analysis of an American and a German B. microti strain was performed on the basis of sequences of the small-subunit rRNA gene (rDNA) using distance-matrix, maximum-parsimony, and maximum-likelihood algorithms. Both B. microti isolates clearly separated from a group containing other Babesia spp. as well as from a second group consisting of Theileria spp. Interestingly, the B. microti isolates clustered in a monophyletic group together with other piroplasm species of unclear taxonomic status, B. rodhaini, and a recently described small canine piroplasm species. These results support the existence of a third taxonomic entity of equal rank besides the Babesiidae and Theileriidae.
ISSN:0932-0113
1432-1955
DOI:10.1007/pl00008545