NDLI: Biodegradation of Higher Concentration Phenol by Pseudomonas aeruginosa HS-D38

Content Provider	IEEE Xplore Digital Library
Author	Yongliang Zheng Jianping Gan Jun Xiang Yuanping Fang Deli Liu Jianping Fang
Copyright Year	2010
Abstract	Phenol is an important and common environmental pollutant. In this study, Pseudomonas aeruginosa HS-D38 strain was used to degrade phenol, and the degradation characteristics were investigated. Results indicated that HS-D38 strain could degrade phenol and utilize it as the sole carbon, nitrogen and energy source. UV-visible spectra analysis showed that 300 mgL-1 phenols could be completely degraded within 10 h by HS-D38 strain after an initial lag phase of 2 h, and the peak decreased gradually with the degradation of phenol by HS-D38. At the same time, an increase of OD600 values in the culture was also observed. Phenol could be mineralized at higher concentration of 500 mgL-1 by HS-D38 strain, whereas the degradation did not occur when the concentration was exceeded 700 mgL-1 even after 72 h. A key intermediate was detected analyzing the degradation solution with HPLC and it was identified to p-hydroxybenzoic acid. The peaks disappeared after 15 h indicating intermediates were also degraded by HS-D38 strain and the metabolism proceeded through the p-hydroxybenzoic acid pathway
Starting Page	1
Ending Page	4
File Size	361007
Page Count	4
File Format	PDF
ISBN	9781424447121
ISSN	21517622
DOI	10.1109/ICBBE.2010.5517102
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-06-18
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Biodegradation Degradation Chemical industry Pollution Microorganisms Mineralization Educational institutions Capacitive sensors Metals industry Mining industry
Content Type	Text
Resource Type	Article

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