Document Detail

Reductive dehalogenation of halocarboxylic acids by the phototrophic genera Rhodospirillum and Rhodopseudomonas.
MedLine Citation:
PMID:  9251226     Owner:  NLM     Status:  MEDLINE    
Type strains of the purple nonsulfur species Rhodospirillum rubrum, Rhodospirillum photometricum, and Rhodopseudomonas palustris grew phototrophically on a number of two- and three-carbon halocarboxylic acids in the presence of CO2, by reductive dehalogenation and assimilation of the resulting acid. Strains of each of these species were able to grow on chloroacetic, 2-bromopropionic, 2-chloropropionic, and 3-chloropropionic acids at a concentration of 2 mM. Only R. palustris DSM 123 was able to grow on bromoacetic acid and then only at a reduced concentration of 1 mM. R. palustris ATCC 33872 (formerly R. rutila) was unable to grow on any of the substrates tested. The ability of these organisms to utilize halocarboxylic acids indicates that they may have a significant role to play in the removal of these environmental pollutants from illuminated anaerobic habitats such as lakes, waste lagoons, sediments of ditches and ponds, mud, and moist soil.
J E McGrath; C G Harfoot
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Applied and environmental microbiology     Volume:  63     ISSN:  0099-2240     ISO Abbreviation:  Appl. Environ. Microbiol.     Publication Date:  1997 Aug 
Date Detail:
Created Date:  1997-09-18     Completed Date:  1997-09-18     Revised Date:  2010-09-14    
Medline Journal Info:
Nlm Unique ID:  7605801     Medline TA:  Appl Environ Microbiol     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  3333-5     Citation Subset:  IM    
Department of Biological Sciences, University of Waikato, Hamilton, New Zealand.
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MeSH Terms
Acetic Acids / metabolism
Carbon Dioxide / metabolism
Carboxylic Acids / metabolism*
Culture Media / metabolism
Environmental Pollution
Halogens / metabolism*
Propionic Acids / metabolism
Rhodopseudomonas / growth & development,  metabolism*
Rhodospirillum / growth & development,  metabolism*
Rhodospirillum rubrum / growth & development,  metabolism
Soil Microbiology
Water Microbiology
Reg. No./Substance:
0/Acetic Acids; 0/Carboxylic Acids; 0/Culture Media; 0/Halogens; 0/Propionic Acids; 107-94-8/3-chloropropionic acid; 124-38-9/Carbon Dioxide; 598-72-1/2-bromopropionic acid; 598-78-7/2-chloropropionic acid; 68-10-0/bromoacetate; 79-11-8/chloroacetic acid

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

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