Mass extinctions past and present: a unifying hypothesis

@article{Wooldridge2008MassEP,
  title={Mass extinctions past and present: a unifying hypothesis},
  author={S. A. Wooldridge},
  journal={Biogeosciences Discussions},
  year={2008},
  volume={5},
  pages={2401-2423}
}
  • S. Wooldridge
  • Published 9 June 2008
  • Environmental Science
  • Biogeosciences Discussions
Abstract. Enzymes are often referred to as the "agents of life" – a very apt term, since essentially all life processes are controlled by them. Typically, these enzymes only function across a narrow band of environmental conditions, particularly temperature and pH. Ambient conditions that challenge these operating conspecifics trigger enzyme dysfunction. Here, it is proposed that the pH-dependent inactivation of a single enzyme, urease, provides a unifying kill-mechanism for at least four of… 

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Thankyou to the reviewers who have posted comments in response to the paper. These comments help to clarify the necessity for formal testing of the urease hypothesis before it can be totally accepted

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