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Retroviral DNA Sequences as a Means for Determining Ancient Diets.


ABSTRACT: For ages, specialists from varying fields have studied the diets of the primeval inhabitants of our planet, detecting diet remains in archaeological specimens using a range of morphological and biochemical methods. As of recent, metagenomic ancient DNA studies have allowed for the comparison of the fecal and gut microbiomes associated to archaeological specimens from various regions of the world; however the complex dynamics represented in those microbial communities still remain unclear. Theoretically, similar to eukaryote DNA the presence of genes from key microbes or enzymes, as well as the presence of DNA from viruses specific to key organisms, may suggest the ingestion of specific diet components. In this study we demonstrate that ancient virus DNA obtained from coprolites also provides information reconstructing the host's diet, as inferred from sequences obtained from pre-Columbian coprolites. This depicts a novel and reliable approach to determine new components as well as validate the previously suggested diets of extinct cultures and animals. Furthermore, to our knowledge this represents the first description of the eukaryotic viral diversity found in paleofaeces belonging to pre-Columbian cultures.

SUBMITTER: Rivera-Perez JI 

PROVIDER: S-EPMC4682816 | biostudies-literature | 2015

REPOSITORIES: biostudies-literature

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Retroviral DNA Sequences as a Means for Determining Ancient Diets.

Rivera-Perez Jessica I JI   Cano Raul J RJ   Narganes-Storde Yvonne Y   Chanlatte-Baik Luis L   Toranzos Gary A GA  

PloS one 20151214 12


For ages, specialists from varying fields have studied the diets of the primeval inhabitants of our planet, detecting diet remains in archaeological specimens using a range of morphological and biochemical methods. As of recent, metagenomic ancient DNA studies have allowed for the comparison of the fecal and gut microbiomes associated to archaeological specimens from various regions of the world; however the complex dynamics represented in those microbial communities still remain unclear. Theore  ...[more]

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