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DNA from Pre-Clovis Human Coprolites in Oregon, North America
Abstract
The timing of the first human migration into the Americas and its relation to the appearance of the Clovis technological complex in North America at about 11,000 to 10,800 radiocarbon years before the present ( 14 C years B.P.) remains contentious. We establish that humans were present at Paisley 5 Mile Point Caves, in south-central Oregon, by 12,300 14 C years B.P., through the recovery of human mitochondrial DNA (mtDNA) from coprolites, directly dated by accelerator mass spectrometry. The mtDNA corresponds to Native American founding haplogroups A2 and B2. The dates of the coprolites are >1000 14 C years earlier than currently accepted dates for the Clovis complex.
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The Paisley Caves contain coprolites dating to 12,400 14C yr B.P. identified as human on the basis that they contain human DNA.
“The Paisley Caves contain additional evidence for pre-Clovis occupation in the form of coprolites dating to 12,400 14C yr B.P. identified as human on the basis that they contain human DNA (3, 5).”
From Pre-Clovis occupation of the Americas identified by human fecal biomarkers in coprolites from Paisley Caves, Oregon (2020) · cites this paper as [5]
The indexed Abstract reports human mitochondrial DNA in directly dated coprolites from the Paisley 5 Mile Point Caves, supporting their identification as human and their pre-Clovis age. It gives the date as 12,300, not 12,400, radiocarbon years B.P.; searches for 12,400 found no matching passage in our copy. (LLM, conf=0.88)
Experimental — accuracy not yet measuredHumans were present in North America during the period ~14 to ~15 ka ago, as documented by archaeological evidence radiocarbon dated to ~14.6 ka at Page-Ladson, Florida; ~14.2 ka at Paisley Caves, Oregon; ~14.2 and ~14.8 ka at Schaefer and Hebior, Wisconsin; and ~13.8 ka at Manis, Washington.
“In North America, humans were present during the period ~14 to ~15 ka ago, as documented by archaeological evidence radiocarbon dated to ~14.6 ka ago at Page-Ladson, Florida (4); ~14.2 ka ago at Paisley Caves, Oregon (5); ~14.2 and ~14.8 ka ago at Schaefer and Hebior, Wisconsin (6, 7); and ~13.8 ka ago at Manis, Washington (8).”
From Pre-Clovis projectile points at the Debra L. Friedkin site, Texas—Implications for the Late Pleistocene peopling of the Americas (2018) · cites this paper as [5]
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Experimental — accuracy not yet measuredFecal biomarker interpretations for 13 of 21 coprolites analyzed agree with mtDNA classifications reported previously.
“Fecal biomarker interpretations for 13 of 21 coprolites analyzed agree with mtDNA classifications reported previously (Table 1) (3, 5).”
From Pre-Clovis occupation of the Americas identified by human fecal biomarkers in coprolites from Paisley Caves, Oregon (2020) · cites this paper as [5]
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Metadata
- Authors
- Gilbert, M. T. P., Jenkins, D. L., Götherstrom, A., Naveran, N., Sanchez, J. J., Hofreiter, M., Thomsen, P. F., Binladen, J., Higham, T. F. G., Yohe, R. M., Parr, R., Cummings, L. S., & Willerslev, E.
- Affiliations
- Centre for Ancient Genetics, University of Copenhagen, Universitetsparken 15, 2100 Copenhagen, Denmark.
- Venue
- Science
- Published
- 2008-05-09
- Volume
- 320
- Issue
- 5877
- Pages
- 786-789
- ISSN
- 0036-8075
- 1095-9203
- Cited by
- 274
- References
- 0
- Language
- en
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