ArticleJournal of the Royal Society, Interface2018
Incremental distribution of strontium and zinc in great ape and fossil hominin cementum using synchrotron X-ray fluorescence mapping.
Article in Journal of the Royal Society, Interface, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 20 papers.
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20 citing papers in PubMed, 45 citations in OpenAlex.
- Pre-agricultural intensification of plant use in Pleistocene Sri Lankan rainforests.Nature ecology & evolution · 2026Article
- Reading hominin life history in fossil bones and teeth: methods to test hypotheses regarding its evolution.Biological reviews of the Cambridge Philosophical Society · 2026Review
- Synchrotron X-ray Fluorescence Microscopy Reveals Trace Elemental Indicators of Life History in Marsupial Teeth.Biological trace element research · 2025Article
- Life history of a new Paraceratheriid from the Early Oligocene of Northwest China.Scientific reports · 2025Article
- Reconstructing smoking history through dental cementum analysis - a preliminary investigation on modern and archaeological teeth.PloS one · 2025Article
- Quantified retrospective biomonitoring of fetal and infant elemental exposure using LA-ICP-MS analysis of deciduous dentin in three contrasting human cohorts.Journal of exposure science & environmental epidemiology · 2024Article
- Anthropogenic modification of a giant ground sloth tooth from Brazil supported by a multi-disciplinary approach.Scientific reports · 2024Article
- Zinc-alkaline phosphatase at sites of aortic calcification.Journal of molecular histology · 2024Article
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- Using SXRF and LA-ICP-TOFMS to Explore Evidence of Treatment and Physiological Responses to Leprosy in Medieval Denmark.Biology · 2023Article
- Brief Communication: Elemental Models of Primate Nursing and Weaning Revisited.American journal of biological anthropology · 2023Article
- Towards routine 3D characterization of intact mesoscale samples by multi-scale and multimodal scanning X-ray tomography.Scientific reports · 2022Article
- Dental cementum virtual histology of Neanderthal teeth from Krapina (Croatia, 130-120 kyr): an informed estimate of age, sex and adult stressors.Journal of the Royal Society, Interface · 2022Article
- Historical overview and new directions in bioarchaeological trace element analysis: a review.Archaeological and anthropological sciences · 2021Review
- A robust, semi-automated approach for counting cementum increments imaged with synchrotron X-ray computed tomography.PloS one · 2021Article
- Growth and development of the third permanent molar in Paranthropus robustus from Swartkrans, South Africa.Scientific reports · 2020Article
- Synchrotron radiation-based X-ray tomography reveals life history in primate cementum incrementation.Journal of the Royal Society, Interface · 2020Article
- Parturitions, menopause and other physiological stressors are recorded in dental cementum microstructure.Scientific reports · 2020Article
- Zinc isotopes in Late Pleistocene fossil teeth from a Southeast Asian cave setting preserve paleodietary information.Proceedings of the National Academy of Sciences of the United States of America · 2020Article
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Authors and funding
5 authors at 3 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Cementum and the incremental markings it contains have been widely studied as a means of ageing animals and retrieving information about diet and nutrition. The distribution of trace elements in great ape and fossil hominin cementum has not been studied previously. Synchrotron X-ray fluorescence (SXRF) enables rapid scanning of large tissue areas with high resolution of elemental distributions. First, we used SXRF to map calcium, phosphorus, strontium and zinc distributions in great ape dentine and cementum. At higher resolution, we compared zinc and strontium distributions in cellular and acellular cementum in regions where clear incremental markings were expressed. We then mapped trace element distributions in fossil hominin dentine and cementum from the 1.55-1.65 million year old site of Koobi Fora, Kenya. Zinc, in particular, is a precise marker of cementum increments in great apes, and is retained in fossil hominin cementum, but does not correspond well with the more diffuse fluctuations observed in strontium distribution. Cementum is unusual among mineralized tissues in retaining so much zinc. This is known to reduce the acid solubility of hydroxyapatite and so may confer resistance to resorption by osteoclasts in the dynamic remodelling environment of the periodontal ligament and alveolar bone.
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