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The occurrence of denitrification in extremely halophilic bacteriaThe ability of Halobacterium vallismortis, Halobacterium mediterranei and Halobacterium marismortui (Ginzburg strain) to grow anaerobically and denitrify was determined. Each organism grew anaerobically only in the presence of nitrate. H. marismortui produced nitrite and dinitrogen from nitrate during exponential growth. However, as the culture entered stationary phase, dinitrogen production ceased and nitrous oxide was detected. H. vallismortis produced nitrous oxide and dinitrogen during exponential growth, with dinitrogen production ceasing at the onset of stationary phase. H. mediterranei produced dinitrogen during exponential growth and did not produce nitrous oxide. These results confirm the occurrence of denitrification in the halobacteria.
Document ID
19870026599
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Mancinelli, R. L.
(NASA Ames Research Center Moffett Field, CA, United States)
Hochstein, L. I.
(NASA Ames Research Center Moffett Field, CA, United States)
Date Acquired
August 13, 2013
Publication Date
January 1, 1986
Publication Information
Publication: FEMS Microbiology Letters
Volume: 35
ISSN: 0378-1097
Subject Category
Life Sciences (General)
Accession Number
87A13873
Distribution Limits
Public
Copyright
Other

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