ArticlePloS one2016
Spectroscopic Studies on Organic Matter from Triassic Reptile Bones, Upper Silesia, Poland.
Article in PloS one, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 18 papers.
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Who cites it
18 citing papers in PubMed, 45 citations in OpenAlex.
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- Nanoscopic imaging of ancient protein and vasculature offers insight into soft tissue and biomolecule fossilization.iScience · 2024Article
- Biomolecules in Pleistocene fossils from tropical cave indicate fossil biofilm.Scientific reports · 2024Article
- Preservation of proteins in the geosphere.Nature ecology & evolution · 2024Review
- Biomolecular histology as a novel proxy for ancient DNA and protein sequence preservation.Ecology and evolution · 2022Article
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- Recent developments in using the molecular decay dating method: a review.Annals of the New York Academy of Sciences · 2021Review
- Molecular preservation in mammoth bone and variation based on burial environment.Scientific reports · 2021Article
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- Fossilization transforms vertebrate hard tissue proteins into N-heterocyclic polymers.Nature communications · 2018Article
- Second-harmonic generation imaging of collagen in ancient bone.Bone reports · 2017Article
- Two types of bone necrosis in the Middle TriassicRoyal Society open science · 2017Article
- Unusual intraosseous fossilized soft tissues from the Middle Triassic Nothosaurus bone.Die Naturwissenschaften · 2017Article
- Evidence of preserved collagen in an Early Jurassic sauropodomorph dinosaur revealed by synchrotron FTIR microspectroscopy.Nature communications · 2017Article
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Authors and funding
7 authors at 4 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Fossil biomolecules from an endogenous source were previously identified in Cretaceous to Pleistocene fossilized bones, the evidence coming from molecular analyses. These findings, however, were called into question and an alternative hypothesis of the invasion of the bone by bacterial biofilm was proposed. Herewith we report a new finding of morphologically preserved blood-vessel-like structures enclosing organic molecules preserved in iron-oxide-mineralized vessel walls from the cortical region of nothosaurid and tanystropheid (aquatic and terrestrial diapsid reptiles) bones. These findings are from the Early/Middle Triassic boundary (Upper Roetian/Lowermost Muschelkalk) strata of Upper Silesia, Poland. Multiple spectroscopic analyses (FTIR, ToF-SIMS, and XPS) of the extracted "blood vessels" showed the presence of organic compounds, including fragments of various amino acids such as hydroxyproline and hydroxylysine as well as amides, that may suggest the presence of collagen protein residues. Because these amino acids are absent from most proteins other than collagen, we infer that the proteinaceous molecules may originate from endogenous collagen. The preservation of molecular signals of proteins within the "blood vessels" was most likely made possible through the process of early diagenetic iron oxide mineralization. This discovery provides the oldest evidence of in situ preservation of complex organic molecules in vertebrate remains in a marine environment.
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