Isolation and identification of a morpholine-degrading bacterium

Author:

Cech J S1,Hartman P1,Slosárek M1,Chudoba J1

Affiliation:

1. Section of Hydrobiology, Czechoslovak Academy of Science.

Abstract

A gram-positive, slowly growing rod effectively utilizing morpholine as the sole source of organic carbon, nitrogen, and energy was isolated from a mixed culture in a laboratory reactor. The strain was tentatively identified as Mycobacterium aurum. Its growth characteristics at 20 degrees C and pH 6.5 were as follows: maximum specific growth rate, 0.052 h-1; half-velocity constant, 1.3 mg/liter; and yield, 0.37 g/g. The optimum temperature and pH were 31 degrees C and 6.0, respectively.

Publisher

American Society for Microbiology

Subject

Ecology,Applied Microbiology and Biotechnology,Food Science,Biotechnology

Reference19 articles.

1. American Public Health Association. 1976. Standard methods for the examination of water and wastewater 14th ed. American Public Health Association Washington D.C.

2. tech J. S. J. Chudoba and P. Grau. 1984. Determination of kinetic constants of activated sludge microorganisms. Water NOTES 621

3. N-nitrosoamine and N-nitroamine formation-factors influencing the aqueous reaction of nitrogen dioxide with morpholine;Cooney R. V.;Environ. Sci. Technol.,1987

4. P-glucosidase activity in mycobacteria;David H. L.;J. Clin. Microbiol.,1977

5. Degradation of morpholine by immobilized bacteria;Dimitrenko G. N.;Khim. Tekhnol. Vody,1985

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