Reduction of nitric oxide by denitrifying bacteria

Two heterotrophic denitrifying bacteria, Paracoccus denitrificans and Pseudomonas denitrificans, have been shown to utilize nitric oxide (NO) as a terminal electron acceptor and succinate, yeast extract, and heat/alkali pretreated municipal sewage sludge as carbon and energy sources. Complete remova...

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Bibliographic Details
Published in:Applied biochemistry and biotechnology 1993, Vol.39-40 (1), p.727-737
Main Authors: RAMESH SHANMUGASUNDRAM, CHENG-MING LEE, SUBLETTE, K. L
Format: Article
Language:English
Subjects:
540120 - Environment, Atmospheric- Chemicals Monitoring & Transport- (1990-)
AIR POLLUTION CONTROL
BACTERIA
Biological and medical sciences
BIOLOGICAL PATHWAYS
Biology of microorganisms of confirmed or potential industrial interest
Biotechnology
CHALCOGENIDES
CHEMICAL REACTIONS
CONTROL
ENVIRONMENTAL SCIENCES
Fundamental and applied biological sciences. Psychology
MICROORGANISMS
Mission oriented research
NITRIC OXIDE
Nitric Oxide - metabolism
NITROGEN COMPOUNDS
NITROGEN OXIDES
Oxidation-Reduction
OXIDES
OXYGEN COMPOUNDS
Paracoccus denitrificans - metabolism
Physiology and metabolism
POLLUTION CONTROL
Pseudomonas - metabolism
REDUCTION
Sewage
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Summary:Two heterotrophic denitrifying bacteria, Paracoccus denitrificans and Pseudomonas denitrificans, have been shown to utilize nitric oxide (NO) as a terminal electron acceptor and succinate, yeast extract, and heat/alkali pretreated municipal sewage sludge as carbon and energy sources. Complete removal of NO (0.50%) from a feed gas sparged into the cultures was observed. It is suggested that reduction of NO may be a common feature of denitrifying bacteria and that a microbial process to dispose of NO(x) may be economically viable.
ISSN:0273-2289
1559-0291
DOI:10.1007/BF02919031