Survival of mineral-bound peptides into the Miocene
Abstract The oldest authenticated peptide sequences to date were reported in 2016 from 3.8 Ma old ostrich eggshell (OES) from the site of Laetoli, Tanzania (Demarchi et al., 2016). Here we demonstrate survival of the same sequences in 6.5-9 Ma OES recovered from a palaeosteppe setting in northwestern China. The eggshell is thicker than those observed in extant species and consistent with the Liushu Struthio sp. ootaxon. These findings push the preservation of ancient proteins back to the Miocene and highlight their potential for paleontology, paleoecology and evolutionary biology..
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Preprint| Erscheinungsjahr: |
2022 |
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| Erschienen: |
2022 |
| Enthalten in: |
bioRxiv.org - (2022) vom: 22. Aug. Zur Gesamtaufnahme - year:2022 |
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| Sprache: |
Englisch |
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| Beteiligte Personen: |
Demarchi, Beatrice [VerfasserIn] |
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| Links: |
Volltext [kostenfrei] |
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| doi: |
10.1101/2022.08.19.502663 |
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| PPN (Katalog-ID): |
XBI036976288 |
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| 520 | |a Abstract The oldest authenticated peptide sequences to date were reported in 2016 from 3.8 Ma old ostrich eggshell (OES) from the site of Laetoli, Tanzania (Demarchi et al., 2016). Here we demonstrate survival of the same sequences in 6.5-9 Ma OES recovered from a palaeosteppe setting in northwestern China. The eggshell is thicker than those observed in extant species and consistent with the Liushu Struthio sp. ootaxon. These findings push the preservation of ancient proteins back to the Miocene and highlight their potential for paleontology, paleoecology and evolutionary biology. | ||
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| 700 | 1 | |a Mackie, Meaghan |e verfasserin |4 aut | |
| 700 | 1 | |a Li, Ziheng |e verfasserin |4 aut | |
| 700 | 1 | |a Deng, Tao |e verfasserin |4 aut | |
| 700 | 1 | |a Collins, Matthew J. |e verfasserin |4 aut | |
| 700 | 1 | |a Clarke, Julia |e verfasserin |4 aut | |
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