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Title

Biodegradation of nine polychlorinated biphenyls by a newly isolated bacterium, Pseudomonas aeroginosa TMU56 obtained from Iranian contaminated soils

Year: 1388
COI: ICHEC06_070
Language: EnglishView: 1,856
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Authors

Ashrafosadat Hatamian-Zarmi - Correspondence to: Seyed Abbas Shojaosadati, Ph.D. Biotechnology Group, Chemical Engineering Department, Faculty of Engineering, Tarbiat Modares University,
Seyed Abbas Shojaosadati - Correspondence to: Seyed Abbas Shojaosadati, Ph.D. Biotechnology Group, Chemical Engineering Department, Faculty of Engineering, Tarbiat Modares University,
Ebrahim Vasheghani-Farahani - Correspondence to: Seyed Abbas Shojaosadati, Ph.D. Biotechnology Group, Chemical Engineering Department, Faculty of Engineering, Tarbiat Modares University,
Saman Hosseinkhani - bBiochemistry Group, Faculty of Basic Sciences, Tarbiat Modares University,

Abstract:

A bacterial strain, designated TMU56, was isolated from soil contaminated with electrical transformer fluid for over 35 years. The isolate was identified as Pseudomonas aeroginosa with respect to its 16S rDNA sequence. This strain was found to grow on biphenyl, benzoate, naphthalene, 2-chlorobenzoic acid, 4- chlorobenzoic acid. The capability of this strain to degrade nine polychlorinated biphenyls in liquid medium, was evaluated. This is the first reported representative of the genus Pseudomonas capable of growing on 2,4,4’-triCB, 2,2’,5,5’-tetraCB, 2,2’,4,5,5’-pentaCB and 2,2’,4,4’,5,5’-hexaCB as a sole carbon source. Washed benzoate-grown cells were able to degrade 100% of 2-CB ; 4-CB and 2,5-diCB after 2 days of incubation, and 78%, 89%, 64%, 75%, 69% and 56% of 4,4’-diCB; 2,4-diCB; 2,4, 4’-triCB; 2,2’,5,5’-tetraCB; 2,2’,4,5,5’-pentaCB and 2,2’,4,4’,5,5’-hexaCB, respectively after 4 days of incubation.The position of the chlorine substituents on the rings strongly influenced the degradation of polychlorinated biphenyls by Pseudomonas aeroginosa TMU56.

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Paper COI Code

This Paper COI Code is ICHEC06_070. Also You can use the following address to link to this article. This link is permanent and is used as an article registration confirmation in the Civilica reference:

https://civilica.com/doc/77345/

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Hatamian-Zarmi, Ashrafosadat and Shojaosadati, Seyed Abbas and Vasheghani-Farahani, Ebrahim and Hosseinkhani, Saman,1388,Biodegradation of nine polychlorinated biphenyls by a newly isolated bacterium, Pseudomonas aeroginosa TMU56 obtained from Iranian contaminated soils,06th International Congress on Chemical Engineering,Hajjiabad,https://civilica.com/doc/77345

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