ORIGINAL RESEARCH
Aerobic Degradation of 4-Monobrominated
Diphenyl Ether: Identifying and Characterizing
Three Strains Isolated from
Populus tomentosa Phyllosphere
Xinwei Zhao, Ming Liu, Yuchao Liu, Yuling Li, Shuang Zhang, Kejiu Du
College of Forestry, Agricultural University of Hebei, Baoding 071000, China,
Hebei Provincial Key Laboratory of Tree Species Germplasm Resources and Forest Protection,
Baoding 071000, China
Hebei Provincial Key Laboratory of Tree Species Germplasm Resources and Forest Protection,
Baoding 071000, China
Submission date: 2016-10-31
Final revision date: 2016-12-22
Acceptance date: 2016-12-29
Online publication date: 2017-05-08
Publication date: 2017-05-26
Pol. J. Environ. Stud. 2017;26(3):1385–1392
KEYWORDS
TOPICS
ABSTRACT
Three strains, designated A1, B2, and C3, capable of aerobic degradation of 4-monobrominated diphenyl ether (4-BDE) as sole carbon and energy source were originally isolated from Populus tomentosa phyllosphere. The three strains were identified as Sphingomonas, Enterobacteria, and Curtobacterium based on their morphology and molecular properties. The 4-BDE concentration gradient was set up and showed that the three strains could still survive at 500 mg L-1 4-BDE. Their removal efficiencies were detected by utilizing GC-μECD and the analysis showed that A1, B2, and C3 were able to transform 33%, 20%, and 17% of 80 mg L-1 4-BDE in 2d incubation, respectively. This is the first report of aerobic degradation of 4-BDE by three bacterial strains isolated from phyllosphere.
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