Mycobacterium africanum Is Associated with Patient Ethnicity in Ghana
نویسندگان
چکیده
منابع مشابه
Mycobacterium africanum Is Associated with Patient Ethnicity in Ghana
Mycobacterium africanum is a member of the Mycobacterium tuberculosis complex (MTBC) and an important cause of human tuberculosis in West Africa that is rarely observed elsewhere. Here we genotyped 613 MTBC clinical isolates from Ghana, and searched for associations between the different phylogenetic lineages of MTBC and patient variables. We found that 17.1% (105/613) of the MTBC isolates belo...
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BACKGROUND Mycobacterium africanum comprises two phylogenetic lineages within the M. tuberculosis complex (MTBC) and is an important cause of human tuberculosis (TB) in West Africa. The reasons for this geographic restriction of M. africanum remain unclear. Here, we performed a prospective study to explore associations between the characteristics of TB patients and the MTBC lineages circulating...
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Five Mycobacterium tuberculosis complex isolates in California were identified as M. africanum by spoligotyping, single nucleotide polymorphisms, a deletion mutation, and phenotypic traits, confirming it as a cause of tuberculosis in the United States. Three of the five patients from whom M. africanum was isolated had lived in Africa.
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In West Africa, Mycobacterium tuberculosis strains co-circulate with M. africanum, and both pathogens cause pulmonary tuberculosis in humans. Given recent findings that M. tuberculosis T-cell epitopes are hyperconserved, we hypothesized that more immunogenic strains have increased capacity to spread within the human host population. We investigated the relationship between the composition of th...
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ژورنال
عنوان ژورنال: PLoS Neglected Tropical Diseases
سال: 2015
ISSN: 1935-2735
DOI: 10.1371/journal.pntd.0003370