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J Forensic Sci. 2013 Jan;58(1):248-50. doi: 10.1111/j.1556-4029.2012.02279.x. Epub 2012 Sep 12.

Identification of human remains by DNA analysis of the gastrointestinal contents of fly larvae.

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  • 1Departamento de Patología, Facultad de Medicina, Universidad Autónoma de Nuevo León, Ave. Madero y Dr. Aguirre Pequeño, Colonia Mitras Centro, Monterrey, Nuevo León, México.

Abstract

Dipterous fly larvae (maggots) are frequently collected from a corpse during a criminal investigation. Previous studies showed that DNA analysis of the gastrointestinal contents of maggots might be used to reveal the identity of a victim. However, this approach has not been used to date in legal investigations, and thus its practical usefulness is unknown. A badly burned body was discovered with its face and neck colonized by fly larvae. Given the condition of the body, identification was not possible. Short tandem repeat (STR) typing was performed using the gastrointestinal contents of maggots collected from the victim and was compared to STR profiles obtained from the alleged father. The probability of paternity was 99.685%. Thus, this comparative DNA test enabled the conclusive identification of the remains. This is the first reported case of analysis of human DNA isolated from the gastrointestinal tract of maggots used to identify a victim in a criminal case.

© 2012 American Academy of Forensic Sciences.

PMID:
22971153
[PubMed - indexed for MEDLINE]
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