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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
agricultural and biological sciences
Survey of Anaplasmataceae bacteria in sheep from Senegal
Tropical Animal Health and Production, Volume 45, No. 7, Year 2013
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Description
Purpose: The authors studied the role of bacteria belonging to Anaplasmataceae family as the causes of acute illnesses of sheep in West Africa. Methods: We examined and sampled 120 febrile sheep in two regions of Senegal for this study. The DNA extracted from these blood samples was tested by PCR using two pairs of primers (groEL-based and 16S rRNA gene-based). Results: In 52/120 samples, the microscopic examination revealed intraerythrocytic and/or intraphagocytic spherical inclusions. In 48/52 cases, we succeeded in identifying the bacterial agent: in 38 cases, it was Anaplasma ovis; in six cases, it was Ehrlichia ruminantium; in two cases, Anaplasma phagocytophilum; in one case, Anaplasma platys; and in one case, a yet uncultured Anaplasma sp. closely related to A. phagocytophilum. Conclusions: Our studies demonstrated the great variety of pathogenic bacteria from the Anaplasmataceae family in the blood of clinically ill sheep. A. ovis was identified unexpectedly often. For the first time, A. phagocytophilum was found in sub-Saharan Africa, and its further epidemiology may be now reconsidered. The roles of canine pathogen, A. platys, and yet undescribed Anaplasma sp. "Badiouré" in ovine pathology should be more closely studied. © 2013 Springer Science+Business Media Dordrecht.
Authors & Co-Authors
Djiba, Mamadou Lamine
Senegal, Dakar
National Laboratory for Research on Animal Diseases
Mediannikov, Oleg Y.
Senegal, Dakar
Institut de Recherche Pour le Développement Dakar
MBengue, Mbaye B.
Senegal, Dakar
National Laboratory for Research on Animal Diseases
Thiongane, Yaya
Senegal, Dakar
National Laboratory for Research on Animal Diseases
Molez, Jean François
Senegal, Dakar
National Laboratory for Research on Animal Diseases
Seck, Momar Talla
Senegal, Dakar
National Laboratory for Research on Animal Diseases
Fénollar, Florence
Senegal, Dakar
Institut de Recherche Pour le Développement Dakar
Raoult, Didier A.
Senegal, Dakar
Institut de Recherche Pour le Développement Dakar
Ndiaye, Mady
Senegal, Dakar
Université Cheikh Anta Diop de Dakar
Statistics
Citations: 9
Authors: 9
Affiliations: 3
Identifiers
Doi:
10.1007/s11250-013-0399-y
ISSN:
00494747
e-ISSN:
15737438
Research Areas
Genetics And Genomics
Study Design
Cross Sectional Study
Study Approach
Quantitative
Study Locations
Multi-countries
Senegal