Document Detail

Evolution. When did photosynthesis emerge on Earth?
MedLine Citation:
PMID:  11001737     Owner:  NLM     Status:  MEDLINE    
Life began early in Earth's history, but it was the emergence of photosynthesis that allowed its proliferation across the planet, because it freed life from its sole dependence on abiotic chemical sources of reducing power. Des Marais discusses recent geological and molecular biological evidence, such as the paper by Xiong et al., that photosynthesis emerged at least 2,800 million years ago.
D J De Marais
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Publication Detail:
Type:  Comment; Journal Article    
Journal Detail:
Title:  Science (New York, N.Y.)     Volume:  289     ISSN:  0036-8075     ISO Abbreviation:  Science     Publication Date:  2000 Sep 
Date Detail:
Created Date:  2000-09-21     Completed Date:  2000-09-21     Revised Date:  2007-08-17    
Medline Journal Info:
Nlm Unique ID:  0404511     Medline TA:  Science     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  1703-5     Citation Subset:  IM; S    
NASA Ames Research Center,Moffett Field, CA 94035, USA.
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MeSH Terms
Bacteria / genetics*,  metabolism*
Cyanobacteria / genetics*,  metabolism
Evolution, Molecular*
Geologic Sediments
Oxygen / metabolism
Reg. No./Substance:
D J Des Marais / ARC
Comment On:
Science. 2000 Sep 8;289(5485):1724-30   [PMID:  10976061 ]

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

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