Article ID Journal Published Year Pages File Type
5536213 Tuberculosis 2017 4 Pages PDF
Abstract
Molecular epidemiology analysis of tuberculosis transmission is based mostly on the application of MIRU-VNTR. In certain isolates a complete 24-loci genotype is not obtained and these incompletely genotyped isolates can not be used in the definition of clusters. In a population-based molecular epidemiology study performed in Almería, Southeast Spain, a context with a high proportion of immigrants, we found that an 88-bp deletion in isolates of Mycobacterium africanum Lineage 5 hampers MIRU-VNTR analysis. A more extensive analysis revealed that this deletion was shared by all the Lineage 5 isolates in certain countries of origin of immigrants, such as Equatorial Guinea, and is likely present in several other African countries and also in the USA. A procedure is proposed to enable epidemiological analysis of these isolates.
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Life Sciences Immunology and Microbiology Applied Microbiology and Biotechnology
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