The properties of hydrocarbon-oxidizing bacteria isolated from the oilfields of Tatarstan, western Siberia, and Vietnam

被引：40

作者：

Borzenkov, IA ^{[1
]}

Milekhina, EI ^{[1
]}

Gotoeva, MT ^{[1
]}

Rozanova, EP ^{[1
]}

Belyaev, SS ^{[1
]}

机构：

[1] Russian Acad Sci, Winogradsky Inst Microbiol, Moscow 117312, Russia

来源：

MICROBIOLOGY | 2006年 / 75卷 / 01期

关键词：

hydrocarbon-oxidizing bacteria; cultivation temperature; pH; salt dependence; petroleum biodegradation;

D O I：

10.1134/S0026261706010127

中图分类号：

Q93 [微生物学];

学科分类号：

071005 ; 100705 ;

摘要：

Eleven strains of hydrocarbon-oxidizing bacteria, isolated from oilfields and representing the genera Rhodococcus, Gordonia, Dietzia, and Pseudomonas, were characterized as mesophiles and neutrophiles. Rhodococci were halotolerant microorganisms growing in a media containing up to 15% NaCl. All the strains oxidized n-alkanes of crude oil. An influence of the cultivation temperatures (28 or 45 degrees C) and organic supplements on the degradation of C-12-C-30 n-alkanes in oxidized oil by two bacterial strains of the genus Pseudomonas was shown. The introduction of acetate, propionate, butyrate, ethanol, and sucrose led mainly to decreased oxidation of petroleum paraffins. At certain cultivation temperatures, the addition of volatile fatty acid salts increased the content of certain n-alkanes in oxidized oil as compared to crude oil.

引用

页码：66 / 72

页数：7

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