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Unformatted text preview: loss of its : ‘‘shield’’ against cosmic radiation .
Additionally, radiation from a putative passing star called Nemesis
has been suggested as a cause of extinction events . The
proliferation of melanotic fungi may even have contributed to the
mass extinctions at the end of Cretaceous period . A symbiotic
association of plants and a melanotic fungus that allows for
extreme thermotolerance has been attributed to heat dissipating
properties of melanin . Melanotic fungi inhabit the extraPLoS ONE | www.plosone.org Academic Editor: Julian Rutherford, Newcastle University, United Kingdom
Received January 21, 2007; Accepted April 24, 2007; Published May 23, 2007
Copyright: ß 2007 Dadachova et al. This is an open-access article distributed
under the terms of the Creative Commons Attribution License, which permits
unrestricted use, distribution, and reproduction in any medium, provided the
original author and source are credited.
Funding: The research was partially supported by NIH grant AI52733 (AC and JN).
Funders played no role in this study....
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- Spring '07