Document Detail

Bacteriocuprein superoxide dismutases in pseudomonads.
MedLine Citation:
PMID:  3997777     Owner:  NLM     Status:  MEDLINE    
Two new instances of the rare bacteriocuprein form of superoxide dismutase have been discovered in Pseudomonas diminuta and P. maltophilia. Each species contains a manganese superoxide dismutase as well. Eight other strains of Pseudomonas and Xanthomonas spp. lacked bacteriocupreins and contained either a manganese or an iron superoxide dismutase. Native molecular weights and isoelectric points were determined for all these bacterial dismutases. A monospecific polyclonal antibody was prepared against the bacteriocuprein from Photobacterium leiognathi; it was not cross-reactive with the bacteriocuprein from either Pseudomonas strain. Bacteriocupreins have previously been identified in only two procaryotes, P. leiognathi and Caulobacter crescentus. The discovery of the Pseudomonas bacteriocupreins reveals a broader distribution, raising the possibility that bacteriocupreins are a continuous line of descent among procaryotes and not isolated evolutionary occurrences, as previous data suggested.
H M Steinman
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, P.H.S.    
Journal Detail:
Title:  Journal of bacteriology     Volume:  162     ISSN:  0021-9193     ISO Abbreviation:  J. Bacteriol.     Publication Date:  1985 Jun 
Date Detail:
Created Date:  1985-07-19     Completed Date:  1985-07-19     Revised Date:  2009-11-18    
Medline Journal Info:
Nlm Unique ID:  2985120R     Medline TA:  J Bacteriol     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  1255-60     Citation Subset:  IM    
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MeSH Terms
Electrophoresis, Polyacrylamide Gel
Hydrogen-Ion Concentration
Isoelectric Focusing
Molecular Weight
Pseudomonas / enzymology*
Superoxide Dismutase / analysis*,  immunology
Grant Support
Reg. No./Substance:
0/bacteriocuprein; EC Dismutase

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

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