Degradation of crude oil in a contaminated tidal flat area and the resilience of bacterial community

被引：6

作者：

Lee, Jaejin ^{[1
]}

Han, Il ^{[2
]}

Kang, Bo Ram ^{[2
]}

Kim, Seong Heon ^{[2
]}

Sul, Woo Jun ^{[3
]}

Lee, Tae Kwon ^{[2
]}

机构：

[1] Korea Polar Res Inst, Unit Antarctic K Route Expedit, Incheon, South Korea

[2] Yonsei Univ, Dept Environm Engn, Wonju, South Korea

[3] Chung Ang Univ, Dept Syst Biotechnol, Ansong, South Korea

来源：

MARINE POLLUTION BULLETIN | 2017年 / 114卷 / 01期

基金：

新加坡国家研究基金会;

关键词：

Tidal flat; Resilience; Crude oil; Microbial community; Dioxygenase; POLYCYCLIC AROMATIC-HYDROCARBONS; OBLIGATELY UTILIZES HYDROCARBONS; MARINE BACTERIUM; GEN; NOV; DEGRADING BACTERIUM; SEA-WATER; MICROBIAL COMMUNITIES; PREDOMINANT GROWTH; DIOXYGENASE GENES; AEROBIC-BACTERIA;

D O I：

10.1016/j.marpolbul.2016.09.043

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Crude oil spills, Hebei Spirit in South Korea, is considered as one of the worst environmental disasters of the region. Our understanding on activation of oil-degrading bacteria and resilience of microbial community in oil contaminated sites are limited due to scarcity of such event. In the present study, tidal flat sediment contaminated by the oil spill were investigated for duration of 13 months to identify temporal change in microbial community and functional genes responsible for PAH-degradation. The results showed predominance of previously known oil degrading genera, such as Cycloclasticus, Alcanivorax, and Thalassolituus, displaying significant increase within first four months of the accident. The disturbance caused by the oil spill altered the microbial community and its functional structures, but they were almost restored to the original state after 13 months. Present study demonstrated high detoxification capacity of indigenous bacterial populations in the tidal flat sediments and its resilience of microbial community. (C) 2016 Elsevier Ltd. All rights reserved.

引用

页码：296 / 301

页数：6

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