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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
agricultural and biological sciences
Molecular survey of rodent-borne Trypanosoma in Niger with special emphasis on T. lewisi imported by invasive black rats
Acta Tropica, Volume 117, No. 3, Year 2011
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Description
Invading rodent species can harbor parasites with potential transmission to native rodents and/or humans. To investigate trypanosomes prevalence in rodents, the spleen of 76 rodents from Niger identified by their karyotype was used as a DNA source for Trypanosoma detection using a newly developed qPCR assay. Of the invasive black rat, Rattus rattus, 71% (10/14) were PCR positive as well as 6% (4/62) of native African rodents. Sequences of ~400. bp of the SSU rDNA gene identified phylogenetically close Trypanosoma lineages. Trypanosoma lewisi was present in all positive black rats and the sequences displayed 100% similarity with T. lewisi-infected humans in Senegal. T. lewisi was also detected in one Acomys johannis, suggesting a possible transmission to native species. In addition to improved knowledge of Trypanosoma diversity in rodents, our data underscore the introduction of the potentially pathogenic T. lewisi kinetoplastid through the human-mediated invasion of black rats all over West Africa. © 2010 Elsevier B.V.
Authors & Co-Authors
Dobigny, Gauthier
France, Montferrier-sur-lez
Centre de Biologie Pour la Gestion Des Populations Cbgp
France, Montpellier
Inrae's Occitanie-montpellier Centre
Poirier, Philippe
France, Paris
Ap-hp Assistance Publique - Hopitaux de Paris
Hima, Karmadine
France, Montferrier-sur-lez
Centre de Biologie Pour la Gestion Des Populations Cbgp
Cabaret, Odile
France, Paris
Ap-hp Assistance Publique - Hopitaux de Paris
France, Maisons-alfort
Unité Mixte de Recherche de Biologie Moléculaire et D’immunologie Parasitaires
Gauthier, Philippe
France, Montpellier
Inrae's Occitanie-montpellier Centre
Tatard, Caroline
France, Montpellier
Inrae's Occitanie-montpellier Centre
Costa, Jean Marc
France, Paris
Ap-hp Assistance Publique - Hopitaux de Paris
Bretagne, Stéphane
France, Paris
Ap-hp Assistance Publique - Hopitaux de Paris
France, Maisons-alfort
Unité Mixte de Recherche de Biologie Moléculaire et D’immunologie Parasitaires
Statistics
Citations: 33
Authors: 8
Affiliations: 4
Identifiers
Doi:
10.1016/j.actatropica.2010.11.004
ISSN:
0001706X
Research Areas
Genetics And Genomics
Study Design
Cross Sectional Study
Study Approach
Quantitative
Study Locations
Multi-countries
Niger
Senegal