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    Por favor, use este identificador para citar o enlazar este ítem: http://hdl.handle.net/10259/4724

    Título
    Comparing ancient DNA survival and proteome content in 69 archaeological cattle tooth and bone samples from multiple European sites
    Autor
    Wadsworth, Caroline .
    Procopio, Noemi .
    Anderung, Cecilia .
    Carretero Díaz, José MiguelAutoridad UBU Orcid
    Iriarte Avilés, EnekoAutoridad UBU Orcid
    Valdiosera Morales, Cristina EugeniaAutoridad UBU Orcid
    Rengert Elburg .
    Kirsty Penkman .
    Buckley, Michael
    Publicado en
    Journal of Proteomics.2017, V. 158, p. 1-8
    Editorial
    Elsevier
    Fecha de publicación
    2017-03
    ISSN
    1874-3919
    DOI
    10.1016/j.jprot.2017.01.004
    Resumen
    Ancient DNA (aDNA) is themost informative biomolecule extracted fromskeletal remains at archaeological sites, but its survival is unpredictable and its extraction and analysis is time consuming, expensive and often fails. Several proposed methods for better understanding aDNA survival are based upon the characterisation of some aspect of protein survival, but these are typically non-specific; proteomic analyses may offer an attractive method for understanding preservation processes. In this study, in-depth proteomic (LC-Orbitrap-MS/MS) analyseswere carried out on 69 archaeological bovine bone and dentine samples from multiple European archaeological sites and comparedwith mitochondrial aDNA and amino acid racemisation (AAR) data. Comparisons of these data, including estimations of the relative abundances for seven selected non-collagenous proteins, indicate that the survival of aDNA in bone or dentine may correlatewith the survival of some proteins, and that proteome complexity is a more useful predictor of aDNA survival than protein abundance or AAR. The lack of a strong correlation between the recovery of aDNA and the proteome abundance may indicate that the survival of aDNA is more closely linked to its ability to associate with bone hydroxyapatite crystals rather than to associate with proteins. Significance: Ancient biomolecule survival remains poorly understood, even with great advancements in ‘omics’ technologies, both in genomics and proteomics. This study investigates the survival of ancient DNA in relation to that of proteins, taking into account proteome complexity and the relative protein abundances to improve our understanding of survival mechanisms. The results show that although protein abundance is not necessarily directly related to aDNA survival, proteome complexity appears to be.
    Palabras clave
    Ancient DNA
    Ancient proteins
    Proteomics
    Collagen
    Non-collagenous proteins
    Materia
    Paleontology
    Paleontología
    URI
    http://hdl.handle.net/10259/4724
    Versión del editor
    https://doi.org/10.1016/j.jprot.2017.01.004
    Aparece en las colecciones
    • Artículos LEH
    Attribution-NonCommercial-NoDerivatives 4.0 International
    Documento(s) sujeto(s) a una licencia Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International
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    Nombre:
    Wadsworth-JP_2017.pdf
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    909.3Kb
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