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Faecal biomarkers can distinguish specific mammalian species in modern and past environments.

07:00 EST 7th February 2019 | BioPortfolio

Summary of "Faecal biomarkers can distinguish specific mammalian species in modern and past environments."

Identifying the presence of animals based on faecal deposits in modern and ancient environments is of primary importance to archaeologists, ecologists, forensic scientists, and watershed managers, but it has proven difficult to distinguish faecal material to the species level. Until now, four 5β-stanols have been deployed as faecal biomarkers to distinguish between omnivores and herbivores, but they cannot distinguish between species. Here we present a database of faecal signatures from ten omnivore and herbivore species based on eleven 5β-stanol compounds, which enables us to distinguish for the first time the faecal signatures of a wide range of animals. We validated this fingerprinting method by testing it on modern and ancient soil samples containing known faecal inputs and successfully distinguished the signatures of different omnivores and herbivores.

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This article was published in the following journal.

Name: PloS one
ISSN: 1932-6203
Pages: e0211119

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