Energetics of Molecular Hydrogen Oxidation in the Oral Pathogen Campylobacter rectus

Campylobacter rectus is a gram-negative, asaccharolytic rod that is frequently associated with destructive periodontal disease in adults. The production of virulence factors and the relevance of C. rectus to periodontal disease has been reviewed recently. The importance of a mixed bacterial populati...

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Bibliographic Details
Published in:Clinical infectious diseases 1995-06, Vol.20 (Supplement-2), p.S172-S173
Main Authors: Gillespie, M. Jane, Wright, Lisa, Barton, Larry L.
Format: Article
Language:English
Subjects:
Bacteriology
Basic Bacteriology
Biological and medical sciences
Campylobacter - growth & development
Campylobacter - metabolism
Campylobacter rectus
Colloids
Electrons
Energy Metabolism
Formates
Fumarates - metabolism
Fundamental and applied biological sciences. Psychology
Humans
Hydrogen
Hydrogen - metabolism
Metabolism. Enzymes
Microbiology
Mouth - microbiology
Oxidation
Oxidation-Reduction
Periodontal diseases
Sodium
Sulfur
Sulfur - metabolism
Wolinella
Yeast extract
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Summary:Campylobacter rectus is a gram-negative, asaccharolytic rod that is frequently associated with destructive periodontal disease in adults. The production of virulence factors and the relevance of C. rectus to periodontal disease has been reviewed recently. The importance of a mixed bacterial population to the development of periodontal disease has been the subject of both speculation and experimentation. For example, cocultivation experiments elucidated a specific nutritional relationship whereby C. rectus provided a protoheme to support the growth of Porphyromonas (formerly Bacteroides) gingivalis while Prevotella melaninogenica (formerly Bacteroides melaninogenicus) produced formate, which stimulated growth of C. rectus. The understanding of such complex nutritional relationships requires specific analysis of each element involved. Herein we report the growth of C. rectus in media with H sub(2)-fumarate and H sub(2)-colloidal sulfur as electron donor-electron acceptor combinations.
ISSN:1058-4838
1537-6591
DOI:10.1093/clinids/20.Supplement_2.S172