Universidad Peruana Cayetano Heredia

Tuberculosis genetic epidemiology: A latin american perspective

Tuberculosis genetic epidemiology: A latin american perspective

Woodman, Marc; Haeusler, Ilsa L.; Grandjean, Louis
URI: https://hdl.handle.net/20.500.12866/6940
Fecha: 2019

Resumen:

There are an estimated 10 million new cases of tuberculosis worldwide annually, with 282,000 new or relapsed cases each year reported from the Americas. With improvements in genome sequencing technology, it is now possible to study the genetic diversity of tuberculosis with much greater resolution. Although tuberculosis bacteria do not engage in horizontal gene transfer, the genome is far more variable than previously thought. The study of genome-wide variation in tuberculosis has improved our understanding of the evolutionary origins of tuberculosis, the arrival of tuberculosis in Latin America, the genetic determinants of drug resistance, and lineage-specific associations with important clinical phenotypes. This article reviews what is known about the arrival of tuberculosis in Latin America, the genetic diversity of tuberculosis in Latin America, and the genotypic determinants of clinical phenotypes.

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