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Mem. Inst. Oswaldo Cruz ; 109(2): 131-139, abr. 2014.
Artigo em Inglês | LILACS | ID: lil-705820

RESUMO

This review investigates ancient infectious diseases in the Americas dated to the pre-colonial period and considers what these findings can tell us about the history of the indigenous peoples of the Americas. It gives an overview, but focuses on four microbial pathogens from this period: Helicobacter pylori, Mycobacterium tuberculosis, Trypanosoma cruzi and Coccidioides immitis, which cause stomach ulceration and gastric cancer, tuberculosis, Chagas disease and valley fever, respectively. These pathogens were selected as H. pylori can give insight into ancient human migrations into the Americas, M. tuberculosis is associated with population density and urban development, T. cruzi can elucidate human living conditions and C. immitis can indicate agricultural development. A range of methods are used to diagnose infectious disease in ancient human remains, with DNA analysis by polymerase chain reaction one of the most reliable, provided strict precautions are taken against cross contamination. The review concludes with a brief summary of the changes that took place after European exploration and colonisation.


Assuntos
História Antiga , Humanos , DNA Bacteriano/isolamento & purificação , DNA de Protozoário/isolamento & purificação , Grupos Populacionais/história , América/etnologia , Doença de Chagas/diagnóstico , Doença de Chagas/história , Doença de Chagas/parasitologia , Coccidioides/isolamento & purificação , Coccidioidomicose/diagnóstico , Coccidioidomicose/história , Coccidioidomicose/microbiologia , Infecções por Helicobacter/diagnóstico , Infecções por Helicobacter/história , Infecções por Helicobacter/microbiologia , Helicobacter pylori/isolamento & purificação , Mycobacterium tuberculosis/isolamento & purificação , Paleontologia , Trypanosoma cruzi/isolamento & purificação , Tuberculose/diagnóstico , Tuberculose/história
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