Document Detail

Hydrogen production in anaerobic and microaerobic Thermotoga neapolitana.
MedLine Citation:
PMID:  17849086     Owner:  NLM     Status:  MEDLINE    
We have tested the hypothesis (Van Ooteghem et al. Appl Biochem Biotechnol 2002 98-100: 177-189) that microaerobic metabolism may increase the yield of H(2) from the thermophilic bacterium Thermotoga neapolitana. In anaerobic conditions, T. neapolitana converted glucose into acetic acid and lactic acid and yielded 2.4 +/- 0.3 mol H(2) mol(-1) glucose. The bacterium tolerated low O(2) partial pressures but the H(2) yield was not improved under microaerobic conditions. Our results indicate that T. neapolitana only produces H(2) by anaerobic metabolism, and that the yield of H(2) can be maximised by minimising the production of lactic acid.
Niels T Eriksen; Thomas M Nielsen; Niels Iversen
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Publication Detail:
Type:  Journal Article     Date:  2007-09-12
Journal Detail:
Title:  Biotechnology letters     Volume:  30     ISSN:  1573-6776     ISO Abbreviation:  Biotechnol. Lett.     Publication Date:  2008 Jan 
Date Detail:
Created Date:  2007-11-29     Completed Date:  2008-05-20     Revised Date:  2008-10-07    
Medline Journal Info:
Nlm Unique ID:  8008051     Medline TA:  Biotechnol Lett     Country:  Netherlands    
Other Details:
Languages:  eng     Pagination:  103-9     Citation Subset:  IM    
Department of Biotechnology, Chemistry and Environmental Engineering, Aalborg University, Sohngaardsholmsvej 49, Aalborg 9000, Denmark.
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MeSH Terms
Bacteria, Aerobic / metabolism*
Bacteria, Anaerobic / metabolism*
Bioreactors / microbiology*
Cell Culture Techniques / methods*
Hydrogen / metabolism*
Lactic Acid / metabolism
Oxygen / metabolism*
Species Specificity
Thermotoga neapolitana / classification,  metabolism*
Reg. No./Substance:
1333-74-0/Hydrogen; 50-21-5/Lactic Acid; 7782-44-7/Oxygen

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

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