| A suggested pioneer organism for the wächtershäuser origin of life hypothesis. | |
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MedLine Citation:
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PMID: 20559733 Owner: NLM Status: In-Data-Review |
Abstract/OtherAbstract:
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A suggested pioneer organism for the Wächtershäuser origin of life hypothesis is presented. In this scenario, a cubic pyrite crystal edge serves as a catalytic surface for the production of a proto-nucleic acid. Computational analysis demonstrates how the vacant cubic pyrite edge could be populated by iron(II) and hydrogen phosphate, capped with a distorted iron pentacarbonyl. A bridging iron sulfide then forms blocking one side of the edge. The carbonyl on the other side of the edge can then react with either existing uracil or cytosine, to produce a nitrogen-iron carbonyl intermediate. This intermediate serves as a free radical initiator for a polymerization of carbon monoxide and molecular hydrogen. After the fourth carbon is added to the chain, the polymerization is terminated by ring formation yielding a condensed ribose. The resultant product is a proto-nucleic acid, a pioneer organism. |
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Authors:
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Frederick A Kundell |
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Publication Detail:
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Type: Journal Article Date: 2010-06-18 |
Journal Detail:
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Title: Origins of life and evolution of the biosphere : the journal of the International Society for the Study of the Origin of Life Volume: 41 ISSN: 1573-0875 ISO Abbreviation: Orig Life Evol Biosph Publication Date: 2011 Apr |
Date Detail:
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Created Date: 2011-03-14 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 8610391 Medline TA: Orig Life Evol Biosph Country: Netherlands |
Other Details:
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Languages: eng Pagination: 175-98 Citation Subset: IM; S |
Affiliation:
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Department of Chemistry, Henson School of Science and Technology, Salisbury University, Salisbury, MD, USA, fakundell@salisbury.edu. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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