Document Detail


From earth's primitive atmosphere to chiral peptides--the origin of precursors for life.
MedLine Citation:
PMID:  17191908     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
To re-enact the long way to the origin of life with today's chemical methods, many steps have to be investigated in the light of a primordial scenario deduced from geochemical research. After the formation of our planet and its atmosphere, prebiotic chemical evolution started its course with the formation of the first building blocks for the formation of biomolecules. In the case of proteins, those building blocks were amino acids that had to be formed in the primitive atmosphere, and then had to react to peptides and proteins as the main pillar of first life. In this paper, we describe the processes in the primordial atmosphere according to contemporary geochemical knowledge leading to the synthesis of amino acids until the formation of homochiral peptides, and, thus, show a plausible pathway towards the origin of life.
Authors:
Kristof Plankensteiner; Hannes Reiner; Bernd M Rode
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Chemistry & biodiversity     Volume:  1     ISSN:  1612-1880     ISO Abbreviation:  Chem. Biodivers.     Publication Date:  2004 Sep 
Date Detail:
Created Date:  2006-12-28     Completed Date:  2007-02-22     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101197449     Medline TA:  Chem Biodivers     Country:  Switzerland    
Other Details:
Languages:  eng     Pagination:  1308-15     Citation Subset:  IM    
Affiliation:
Division of Theoretical Chemistry, Institute of General, Inorganic, and Theoretical Chemistry, University of Innsbruck, Innrain 52a, A-6020 Innsbruck.
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MeSH Terms
Descriptor/Qualifier:
Amino Acids / analysis,  chemistry
Atmosphere / analysis,  chemistry*
Biogenesis*
Electrochemistry
Evolution, Chemical*
Extraterrestrial Environment / chemistry*
Life
Peptides / analysis,  chemistry*
Stereoisomerism
Chemical
Reg. No./Substance:
0/Amino Acids; 0/Peptides

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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