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Genome-Wide SNP Analysis Reveals Distinct Origins of Trypanosoma evansi and Trypanosoma equiperdum.
Cuypers, B. Van den Broeck, F. Van Reet, N. Meehan, Conor J. Cauchard, J. Wilkes, J.M. Claes, F. Goddeeris, B. Birhanu, H. Dujardin, J.-C.
Cuypers, B.
Van den Broeck, F.
Van Reet, N.
Meehan, Conor J.
Cauchard, J.
Wilkes, J.M.
Claes, F.
Goddeeris, B.
Birhanu, H.
Dujardin, J.-C.
Publication Date
2017-08
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© The Author 2017. Published by Oxford University Press on behalf of the Society for Molecular Biology and Evolution.
This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0/), which permits
non-commercial re-use, distribution, and reproduction in any medium, provided the original work is properly cited.
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2017-05-24
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Abstract
Trypanosomes cause a variety of diseases in man and domestic animals in Africa, Latin America, and Asia. In the Trypanozoon
subgenus, Trypanosoma brucei gambiense and Trypanosoma brucei rhodesiense cause human African trypanosomiasis,
whereas Trypanosoma brucei brucei, Trypanosoma evansi, and Trypanosoma equiperdum are responsible for nagana, surra,
and dourine in domestic animals, respectively. The genetic relationships between T. evansi and T. equiperdum and other
Trypanozoon species remain unclear because the majority of phylogenetic analyses has been based on only a few genes. In this
study, we have conducted a phylogenetic analysis based on genome-wide SNP analysis comprising 56 genomes from the
Trypanozoon subgenus. Our data reveal that T. equiperdum has emerged at least once in Eastern Africa and T. evansi at two
independent occasions in Western Africa. The genomes within the T. equiperdum and T. evansi monophyletic clusters show
extremely little variation, probably due to the clonal spread linked to the independence from tsetse flies for their transmission.
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Cuypers B, Van den Broeck F, Van Reet N, et al (2017) Genome-Wide SNP Analysis Reveals Distinct Origins of Trypanosoma evansi and Trypanosoma equiperdum' Genome Biology and Evolution. 9(8): 1990-1997.
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