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Protein sequences bound to mineral surfaces persist into deep time.

Abstract:

Proteins persist longer in the fossil record than DNA, but the longevity, survival mechanisms and substrates remain contested. Here, we demonstrate the role of mineral binding in preserving the protein sequence in ostrich (Struthionidae) eggshell, including from the palaeontological sites of Laetoli (3.8 Ma) and Olduvai Gorge (1.3 Ma) in Tanzania. By tracking protein diagenesis back in time we find consistent patterns of preservation, demonstrating authenticity of the surviving sequences. Mol...

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Publication status:
Published
Peer review status:
Peer reviewed
Version:
Publisher's version

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Publisher copy:
10.7554/eLife.17092

Authors


Demarchi, B More by this author
Roncal-Herrero, T More by this author
Freeman, CL More by this author
Woolley, J More by this author
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Publisher:
eLife Publisher's website
Journal:
eLife Journal website
Volume:
5
Pages:
e17092
Publication date:
2016-09-05
Acceptance date:
2016-08-17
DOI:
ISSN:
2050-084X
Pubs id:
pubs:647639
URN:
uri:e2ae54c4-3050-404a-9477-1e9ede7b4abb
UUID:
uuid:e2ae54c4-3050-404a-9477-1e9ede7b4abb
Local pid:
pubs:647639

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