Molecular paleoparasitological diagnosis of Ascaris sp. from coprolites: new scenery of ascariasis in pre-Colombian South America times
Mem. Inst. Oswaldo Cruz
;
103(1): 106-108, Feb. 2008. ilus, tab
Artículo
en Inglés
| LILACS
| ID: lil-478884
ABSTRACT
Paleoparasitological studies using microscopy showed that Ascarisand Trichuris trichiura are the human intestinal parasites most found in archaeological sites. However, in pre-Columbian South American archaeological sites, Ascaris is rare. In this work we standardized a molecular methodology for Ascaris diagnosis directly from ancient DNA retrieved from coprolites. Using cythochrome b gene (142 bp) target, ancient DNA sequences were retrieved from South American samples, negative by microscopy. Moreover, the methodology applied was sensitive enough to detect ancient DNA extracted from 30 Ascaris eggs from an European coprolite. These results revealed a new scenery for the paleodistribution of Ascaris in South America.
Texto completo:
Disponible
Índice:
LILACS (Américas)
Asunto principal:
Paleopatología
/
Ascariasis
/
Ascaris
/
ADN de Helmintos
/
Citocromos b
/
Heces
Tipo de estudio:
Estudio diagnóstico
Límite:
Animales
/
Humanos
País/Región como asunto:
America del Sur
/
Colombia
Idioma:
Inglés
Revista:
Mem. Inst. Oswaldo Cruz
Asunto de la revista:
Medicina Tropical
/
Parasitología
Año:
2008
Tipo del documento:
Artículo
País de afiliación:
Brasil
Institución/País de afiliación:
Fiocruz/BR
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