ArticleScientific reports2017
Organic molecular heterogeneities can withstand diagenesis.
Article in Scientific reports, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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Who cites it
12 citing papers in PubMed.
- Palaeocampa anthrax, an armored freshwater lobopodian with chemical defenses from the Carboniferous.Communications biology · 2025Article
- Amide groups in 3.7 billion years old liquid inclusions.Scientific reports · 2024Article
- A new non-destructive method to decipher the origin of organic matter in fossils using Raman spectroscopy.RSC advances · 2024Article
- Disentangling the chemistry of Australian plant exudates from a unique historical collection.Proceedings of the National Academy of Sciences of the United States of America · 2022Article
- Phylogenetic and physiological signals in metazoan fossil biomolecules.Science advances · 2020Article
- Formation and Preservation of Microbial Palisade Fabric in Silica Deposits from El Tatio, Chile.Astrobiology · 2020Article
- Molecular identification of fungi microfossils in a Neoproterozoic shale rock.Science advances · 2020Article
- The degradation of organic compounds impacts the crystallization of clay minerals and vice versa.Scientific reports · 2019Article
- Organo-mineral associations in chert of the 3.5 Ga Mount Ada Basalt raise questions about the origin of organic matter in Paleoarchean hydrothermally influenced sediments.Scientific reports · 2019Article
- Review
- Fossilization transforms vertebrate hard tissue proteins into N-heterocyclic polymers.Nature communications · 2018Article
- Experimental maturation of Archaea encrusted by Fe-phosphates.Scientific reports · 2017Article
Corrections and comments
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Authors and funding
7 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Reconstructing the original biogeochemistry of organic fossils requires quantifying the extent of the chemical transformations that they underwent during burial-induced maturation processes. Here, we performed laboratory experiments on chemically different organic materials in order to simulate the thermal maturation processes that occur during diagenesis. Starting organic materials were microorganisms and organic aerosols. Scanning transmission X-ray microscopy (STXM) was used to collect X-ray absorption near edge spectroscopy (XANES) data of the organic residues. Results indicate that even after having been submitted to 250 °C and 250 bars for 100 days, the molecular signatures of microorganisms and aerosols remain different in terms of nitrogen-to-carbon atomic ratio and carbon and nitrogen speciation. These observations suggest that burial-induced thermal degradation processes may not completely obliterate the chemical and molecular signatures of organic molecules. In other words, the present study suggests that organic molecular heterogeneities can withstand diagenesis and be recognized in the fossil record.
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