Potential biodegradation of crude petroleum oil by newly isolated halotolerant microbial strains from polluted Red Sea area

被引：28
作者：
Shetaia, Yousseria M. H. [1 ]
El Khalik, Wafaa A. A. [2 ]
Mohamed, Tarek M. [3 ]
Farahat, Laila A. [2 ]
ElMekawy, Ahmed [4 ,5 ]
机构：
[1] Ain Shams Univ, Fac Sci, Dept Microbiol, Cairo, Egypt
[2] Egyptian Petr Res Inst EPRI, Cairo, Egypt
[3] Tanta Univ, Dept Chem, Fac Sci, Tanta, Egypt
[4] Univ Sadat City USC, Dept Ind Biotechnol, Genet Engn & Biotechnol Res Inst, Sadat City, Egypt
[5] Univ Adelaide, Sch Chem Engn, Adelaide, SA, Australia
来源：
MARINE POLLUTION BULLETIN | 2016年 / 111卷 / 1-2期
关键词：
Biodegradation; Crude oil; Halotolerant; Paecilomyces; Lipomyces; POLYCYCLIC AROMATIC-HYDROCARBONS; CONTAMINATED SOIL; DEGRADING BACTERIA; ARABIAN GULF; BIOREMEDIATION; CONSORTIA; MICROORGANISMS; CULTURES; WASTE; RANGE;
D O I：
10.1016/j.marpolbul.2016.02.035
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
Two microbial isolates from oil polluted Red Sea water in Egypt, designated as RS-Y1 and RS-F3, were found capable of degrading Belayim mix (BX) crude oil. Strains RS-Y1 and RS-F3 were assigned to the genera Lipomyces tetrasporus and Paecilomyces variotii based on their morphological and physiological characteristics. Both isolates were compared for the biodegradation of crude petroleum-oil hydrocarbons in basal salt medium supplemented with 5% (w/v) of BX-crude oil. Gas chromatography profile showed that the biodegradation of total petroleum hydrocarbons (TPHs) inoculated with L. tetrasporus (683%) and P. variotii (58.15%) along with their consortium (66%) significantly reduced TPHs levels as compared to the control after 30 days. L tetrasporus (44.5%) was more effective than P. variotii strain (32.89%) in reducing the unresolved complex mixtures (UCM) content from the medium. Both isolates exhibited a strong growth over a wide range of salinity (5-45 g/L NaCl). (C) 2016 Elsevier Ltd. All rights reserved.
引用
收藏
页码：435 / 442
页数：8
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