Biodegradation of BTEX mixture by Pseudomonas putida YNS1 isolated from oil-contaminated soil

被引：29

作者：

You, Youngnam ^{[1
]}

Shim, Jaehong ^{[1
]}

Cho, Choa-Hyoung ^{[2
]}

Ryu, Moon-Hee ^{[2
]}

Shea, Patrick J. ^{[3
]}

Kamala-Kannan, Seralathan ^{[1
]}

Chae, Jong-Chan ^{[1
]}

Oh, Byung-Taek ^{[1
]}

机构：

[1] Chonbuk Natl Univ, Coll Environm & Bioresource Sci, Adv Inst Environm & Biosci, Div Biotechnol, Iksan 570752, South Korea

[2] Chonbuk Natl Univ, Coll Environm & Bioresource Sci, Dept Food Sci & Biotechnol, Iksan 570752, South Korea

[3] Univ Nebraska, Sch Nat Resources, Lincoln, NE USA

来源：

JOURNAL OF BASIC MICROBIOLOGY | 2013年 / 53卷 / 05期

关键词：

Biodegradation; BTEX; Pseudomonas putida; Substrate interaction; NITRATE-REDUCING CONDITIONS; SUBSTRATE INTERACTIONS; AQUIFER; BENZENE; TOLUENE; XYLENE; BIOREMEDIATION; DEGRADATION; BACTERIA; CULTURES;

D O I：

10.1002/jobm.201200067

中图分类号：

Q93 [微生物学];

学科分类号：

071005 ; 100705 ;

摘要：

The presence of mixed contaminants, such as BTEX (benzene, toluene, ethylbenzene and xylene isomers) can affect the biodegradation, fate and environmental impacts of each compound. To understand the influence of interactions among BTEX compounds on their biodegradation, four bacteria were isolated from oil-contaminated soil and assayed for BTEX biodegradation in vitro. The isolate exhibiting maximum biodegradation was identified as Pseudomonas putida based on the 16S rDNA sequence. The biodegradation of the BTEX compounds was greatly influenced by pH, temperature, and salinity. Substrate mixture studies (binary, tertiary and quaternary) revealed that the presence of toluene increased the biodegradation rate of benzene, ethylbenzene, and xylene.

引用

页码：469 / 475

页数：7

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