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Published in J Environ Qual 5:131-133 (1976)
© 1976 American Society of Agronomy, Crop Science Society of America, and Soil Science Society of America
677 S. Segoe Rd., Madison, WI 53711 USA
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Resistance of Nitrosamines to Microbial Attack1

Robert L. Tate, III and Martin Alexander2

ABSTRACT

N-Nitrosodimethylamine was not degraded in flooded soil or in microbial enrichments from bog sediments. Enrichment cultures inoculated with soil and sewage did not yield microorganisms capable of metabolizing N-nitrosodimethylamine, N-nitrosodiethylamine, or N-nitrosodi-n-propylamine. N-Nitrosodimethylamine was not metabolized by axenic cultures of bacteria, and it was not significantly inhibitory to individual bacterial cultures or to respiration of soil or sewage communities. The data suggest that the nitrosamines persist in samples of natural environments because of the resistance of the nitrogen-nitrogen bond in nitrosamines.

Key Words: carcinogens • persistence


NOTES

1 Contribution from the Dep. of Agronomy, Cornell Univ., Ithaca, NY 14853. This work was supported by Public Health Training Grant ES00098 from the Division of Environmental Health Sciences.

2 Research Associate and Professor of Soil Science, respectively.

Received for publication April 11, 1975.


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The SCI Journals Agronomy Journal Crop Science
Vadose Zone Journal Journal of Plant Registrations
Journal of Natural Resources
and Life Sciences Education
Soil Science Society of America Journal
Copyright © 1976 by the American Society of Agronomy, Crop Science Society of America, and Soil Science Society of America.