Degradation of Perfluorooctanyl Sulfonate by Strain Pseudomonas plecoglossicida 2.4-D

被引：108

作者：

Chetverikov, S. P. ^{[1
]}

Sharipov, D. A. ^{[1
]}

Korshunova, T. Yu. ^{[1
]}

Loginov, O. N. ^{[1
]}

机构：

[1] Russian Acad Sci, Ufa Inst Biol, Ufa 450054, Russia

来源：

APPLIED BIOCHEMISTRY AND MICROBIOLOGY | 2017年 / 53卷 / 05期

关键词：

perfluorinated compounds; Pseudomonas; degradation; transformation; perfluorooctanyl sulfonate; PFOS; BIODEGRADATION; ACIDS;

D O I：

10.1134/S0003683817050027

中图分类号：

Q81 [生物工程学（生物技术）]; Q93 [微生物学];

学科分类号：

071005 ; 0836 ; 090102 ; 100705 ;

摘要：

A bacterial strain has been isolated from soil contaminated by waste from petrochemical production. Based on its cultural-morphological, physiological-biochemical properties and an analysis of the nucleotide sequence of the 16S rRNA gene and phylogenetic analysis data, the strain was defined as Pseudomonas plecoglossicida 2.4-D. The unique ability of this bacterium to use perfluorooctanyl sulfonate (PFOS) as the only source of carbon and energy is shown. When cultivated in a liquid medium, the strain completely utilizes this substance in 6 days. It is proved that P. plecoglossicida 2.4-D transforms PFOS to perfluoroheptanoic (perfluoroenanthic) acid, while free fluorine ions are released into the medium. Upon introduction into the soil, the strain was capable of PFOS degradation by 75%. The strain P. plecoglossicida 2.4-D is recommended for environmental protection. It can be used in the development of biotechnologies for the transformation (utilization) of fluoroorganic compounds.

引用

页码：533 / 538

页数：6

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