Hopanoid production byDesulfovibrio bastiniiisolated from oilfield formation water
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چکیده
منابع مشابه
Greenhouse gas emissions from oilfield-produced water in Shengli Oilfield, Eastern China.
Greenhouse gas (GHG) emissions from oil and gas systems are an important component of the GHG emission inventory. To assess the carbon emissions from oilfield-produced water under atmospheric conditions correctly, in situ detection and simulation experiments were developed to study the natural release of GHG into the atmosphere in the Shengli Oilfield, the second largest oilfield in China. The ...
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Isatin, an extract from Strobilanthes cusia (Nees) Kuntze, was the base for synthesizing derivatives that were screened for antibacterial activity against oilfield water-borne bacteria. The bacterial groups are sulfate reducing, iron and total. The derivatives were characterized by spectrums and they showed good to moderate activity against sulfate reducing bacteria.
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Hopanoids are pentacyclic triterpenoid lipids synthesized by different bacterial groups. Methylated hopanoids were believed to be exclusively synthesized by cyanobacteria and aerobic methanotrophs until the genes encoding for the methylation at the C-2 and C-3 position (hpnP and hpnR) were found to be widespread in the bacterial domain, invalidating their use as specific biomarkers. These genes...
متن کاملThe Environmental Impact of Oilfield Formation Water on a Freshwater Stream in Nigeria
A comparative analysis of the physico-chemical parameters of treated oilfield formation water and that of a freshwater stream with no previous history of pollution from oil exploration activities was determined. The environmental impact resulting from the discharge of treated oilfield formation water into freshwater samples collected from this stream with no previous history of pollution from o...
متن کاملNovel hopanoid cyclases from the environment.
Hopanoids are ubiquitous isoprenoid lipids found in modern biota, in recent sediments and in low-maturity sedimentary rocks. Because these lipids primarily are derived from bacteria, they are used as proxies to help decipher geobiological communities. To date, much of the information about sources of hopanoids has come from surveys of culture collections, an approach that does not address the v...
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ژورنال
عنوان ژورنال: FEMS Microbiology Letters
سال: 2009
ISSN: 0378-1097,1574-6968
DOI: 10.1111/j.1574-6968.2009.01520.x