Article Title：Analysis of DNA from ethnoarchaeological stone scrapers
Abstract：
Analysis of DNA residues on stone tools provides a direct method of determining what the tools were used on. However, little is known about the taphonomy of DNA on tools. The discovery of present-day, stone-tool using hide workers in Ethiopia therefore provides a unique opportunity to study the survival and authenticity of DNA residues on stone tools. We collected stone scrapers from contexts ranging from excavated to confirmed use, as well as unused scrapers to test for the presence of DNA residues. We amplified segments of the mitochondrial genome with PCR to determine which animal species a tool was used on. We were able to recover authentic DNA from scrapers of known use and from a subset of excavated scrapers. We did, however, also obtain DNA unrelated to the use of the tools. Thus, caution must be used when interpreting results of DNA analysis of stone tools. Copyright 2001 Academic Press
Keywords: ethnoarchaeology; DNA; stone tools; biomolecular archaeology; taphonomy
DOI: 10.1006/jasc.1999.0551
Source：JOURNAL OF ARCHAEOLOGICAL SCIENCE
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