Increased Stability in Carbon Isotope Records Reflects Emerging Complexity of the Biosphere

@article{Schobben2019IncreasedSI,
  title={Increased Stability in Carbon Isotope Records Reflects Emerging Complexity of the Biosphere},
  author={Martin Schobben and B. van de Schootbrugge},
  journal={Frontiers in Earth Science},
  year={2019},
  volume={7},
  pages={87}
}
Preference for certain stable isotopes (isotope fractionation) during enzyme-mediated reactions is a universal aspect of life. For instance, carbon isotopes are fractionated during anabolic (e.g. photosynthate production) and catabolic (e.g. methanogenesis) reactions. These biological processes exert a major control on ambient micro-scale chemical conditions as well as the large-scale exogenic carbon reservoir. Combined with the ubiquity of bio-mediated carbonate mineral nucleation and obligate… Expand
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