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Isolation, Propagation, and Identification of Bacterial Species with Hydrocarbon Metabolizing Properties from Aquatic Habitats
Published on: December 7, 2021
Isolation and characterization of psychrotrophic nitrobenzene-degrading strains from river sediments
Yi Li1, Hongying Hu, Qianyuan Wu
1ESPC State Key Joint Laboratory, Department of Environmental Science and Engineering, Tsinghua University, Beijing, 100084, Peoples' Republic of China.
Abstract:
Seven strains that can degrade nitrobenzene at low temperature were isolated from the sediments of a nitrobenzene-polluted river. One of the strains, NB-1, can mineralize 20 mg/L nitrobenzene completely from 2.5 to 35 degrees C with an optimum temperature of 25 degrees C. NB-1 was identified as Pseudomonas putida according to its morphology, biochemical properties, and 16S rDNA sequence analysis. The strain could tolerate and degrade 120 mg/L nitrobenzene within 175 h at 5 degrees C. It can be used for the bioremediation of nitrobenzene-contaminated environment.
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