Bisulfite reductase gene expression of thermophilic sulphate-reducing bacteria from saline connate water of oil reservoirs with high temperature
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- 作者：I. Zapata-Peñ ; ascoa ; b ; izapata@imp.mx" class="auth_mail" title="E-mail the corresponding author ; L. Salazar-Coriab ; M. Saucedo-Garcí ; ab ; L. Villa-Tanacaa ; C. Herná ; ndez-Rodrí ; gueza ;
- 关键词：dsrA gene expression ; Halophilic thermophilic SRB ; Desulfovibrionales ; Saline connate water ; High temperature oil reservoir
- 刊名：International Biodeterioration & Biodegradation
- 出版年：2016
- 出版时间：March 2016
- 年：2016
- 卷：108
- 期：Complete
- 页码：198-206
- 全文大小：1382 K
文摘
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Specific growth conditions were determined to assess the mesophilic-thermophilic SRB present in the offshore oil reservoir.
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The dsrA expression was assessed in microcosms with connate waters of non-water-flooded, high-temperature oil reservoirs.
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The gene expression had a significant decrease from high to low salinity conditions in the connate waters.
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The lowest gene expressions were observed with 35 g l−1 NaCl at 40 and 60 °C.
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The results suggest a sulphate reduction by indigenous obligate halophilic-themophilic Desulfovibrionales-SRB.