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Title 

Isolation and characterization of novel halotolerant and/or halophilic denitrifying bacteria with versatile metabolic pathways for the degradation of trimethylamine

Authors 

Song-Gun KimHee Sung BaeHee Mock OhS T Lee

Publisher 

Wiley-Blackwell

Issue Date 

2003

Citation 

FEMS Microbiology Letters, vol. 225, no. 2, pp. 263-269

Keywords 

anaerobic degradationdenitrifying bacteriatrimethylaminebacterium isolationisolation and purification

Abstract 

Four denitrifying bacteria capable of degrading trimethylamine under both aerobic and denitrifying conditions were newly isolated from coastal sediments and wastewater contaminated by marine water. All strains were in α-Proteobacteria. Strain GP43 was classified as a member of genus Paracoccus, and strain PH32, PH34 and GRP21 were novel organisms with remote phylogenetic position from other genus α-Proteobacteria. Among these four strains were the halophilic strains PH32, PH34 and GRP21, which did not grow in the absence of sodium chloride in culture medium. Cells grown under denitrifying conditions possessed trimethylamine dehydrogenase while cells grown aerobically possessed two different enzymes for oxidation of trimethylamine, trimethylamine dehydrogenase and trimethylamine monooxygenase. The newly isolated strain PH32, PH34 and GRP21 may be the first halophilic bacteria to degrade trimethylamine under denitrifying conditions.

ISSN 

0378-1097

Link 

http://dx.doi.org/10.1016/S0378-1097(03)00530-5

Appears in Collections

1. Journal Articles > Journal Articles

Registered Date

2017-04-19


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