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New methods for old challenges: A sampling protocol for sequential stable isotope analysis (813C and 815N) of dentine collagen in high-crowned teeth

  • Datos identificativos

    Identificador: imarina:9351730
    Autores:
    Díez-Canseco, CTornero, C
    Resumen:
    Intra-tooth or sequential stable isotope analyses are nowadays widely implemented in zooarchaeological research. Sequential isotopic analyses have been mainly restricted to the mineral fraction of the enamel, while a wider implementation in dentine collagen has been generally eluded, despite conforming an essential organic compound for paleodietary studies. In high-crowned teeth, dentine grows oblique to the vertical axis of growth and some challenges arise when trying to isolate dentine increments during a sequential sampling. Previous sampling strategies slice the whole dentine thickness and provide sequences where isotopic variation is largely attenuated. In this study, we show a new proposal for performing carbon and nitrogen isotope analyses of dentine collagen which better fits dentine's growth. We implemented it in mandibular second molars of an experimental modern sheep flock. Our sampling largely reduces the isotopic "damping" of previous approaches and provides short time-span samples. Sequential 813C values obtained in dentine tissue yielded similar resolution to those obtained in enamel tissue of the same individuals. This proposal, especially suitable for caprine and other bovid species, broadens the implementation of dentine collagen signatures in the field of stable isotope analyses in zooarchaeology.
  • Otros:

    Autor según el artículo: Díez-Canseco, C; Tornero, C
    Departamento: Història i Història de l'Art
    Autor/es de la URV: Díez-Canseco Esteban, Celia / Tornero Dacasa, Carlos
    Palabras clave: Stable nitrogen isotopes Stable carbon isotopes Sheep Resolution Reconstruction Mineralization Intra-tooth variation Intra-tooth analysis Experimental sheep program Enamel Delta-c-13 Childhood diet Carbon Bone
    Resumen: Intra-tooth or sequential stable isotope analyses are nowadays widely implemented in zooarchaeological research. Sequential isotopic analyses have been mainly restricted to the mineral fraction of the enamel, while a wider implementation in dentine collagen has been generally eluded, despite conforming an essential organic compound for paleodietary studies. In high-crowned teeth, dentine grows oblique to the vertical axis of growth and some challenges arise when trying to isolate dentine increments during a sequential sampling. Previous sampling strategies slice the whole dentine thickness and provide sequences where isotopic variation is largely attenuated. In this study, we show a new proposal for performing carbon and nitrogen isotope analyses of dentine collagen which better fits dentine's growth. We implemented it in mandibular second molars of an experimental modern sheep flock. Our sampling largely reduces the isotopic "damping" of previous approaches and provides short time-span samples. Sequential 813C values obtained in dentine tissue yielded similar resolution to those obtained in enamel tissue of the same individuals. This proposal, especially suitable for caprine and other bovid species, broadens the implementation of dentine collagen signatures in the field of stable isotope analyses in zooarchaeology.
    Áreas temáticas: Saúde coletiva Química Planejamento urbano e regional / demografia Odontología Medicina veterinaria Medicina ii Materiais Interdisciplinar History Historia Geosciences, multidisciplinary Geociências Engenharias ii Engenharias i Ciencias sociales Ciencias humanas Ciências biológicas iii Ciências biológicas ii Ciências biológicas i Ciências agrárias i Biotecnología Biodiversidade Astronomia / física Archeology (arts and humanities) Archeology Archaeology Antropologia / arqueologia Anthropology
    Acceso a la licencia de uso: https://creativecommons.org/licenses/by/3.0/es/
    Direcció de correo del autor: carlos.tornero@urv.cat celia.diez-canseco@estudiants.urv.cat
    Fecha de alta del registro: 2024-08-03
    Versión del articulo depositado: info:eu-repo/semantics/publishedVersion
    Enlace a la fuente original: https://www.sciencedirect.com/science/article/pii/S0305440323002030
    URL Documento de licencia: https://repositori.urv.cat/ca/proteccio-de-dades/
    Referencia al articulo segun fuente origial: Journal Of Archaeological Science. 162
    Referencia de l'ítem segons les normes APA: Díez-Canseco, C; Tornero, C (2024). New methods for old challenges: A sampling protocol for sequential stable isotope analysis (813C and 815N) of dentine collagen in high-crowned teeth. Journal Of Archaeological Science, 162(), -. DOI: 10.1016/j.jas.2023.105923
    DOI del artículo: 10.1016/j.jas.2023.105923
    Entidad: Universitat Rovira i Virgili
    Año de publicación de la revista: 2024
    Tipo de publicación: Journal Publications
  • Palabras clave:

    Anthropology,Archaeology,Archeology,Archeology (Arts and Humanities),Geosciences, Multidisciplinary,History
    Stable nitrogen isotopes
    Stable carbon isotopes
    Sheep
    Resolution
    Reconstruction
    Mineralization
    Intra-tooth variation
    Intra-tooth analysis
    Experimental sheep program
    Enamel
    Delta-c-13
    Childhood diet
    Carbon
    Bone
    Saúde coletiva
    Química
    Planejamento urbano e regional / demografia
    Odontología
    Medicina veterinaria
    Medicina ii
    Materiais
    Interdisciplinar
    History
    Historia
    Geosciences, multidisciplinary
    Geociências
    Engenharias ii
    Engenharias i
    Ciencias sociales
    Ciencias humanas
    Ciências biológicas iii
    Ciências biológicas ii
    Ciências biológicas i
    Ciências agrárias i
    Biotecnología
    Biodiversidade
    Astronomia / física
    Archeology (arts and humanities)
    Archeology
    Archaeology
    Antropologia / arqueologia
    Anthropology
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