The mutual influence between corrosion and the surrounding soil microbial communities of buried petroleum pipelines.
The mutual influence between corrosion and the surrounding soil microbial communities of buried petroleum pipelines.
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埋地石油管道腐蚀与周围土壤微生物群落的相互影响
作者：
埋地石油管道腐蚀和泄漏会引起周围土壤微生物群落的不可避免的变化。此外，土壤中不同的微生物群落对埋地管道腐蚀的贡献也不同。为研究石油管道腐蚀与周围土壤微生物群落的相互影响，采集了胜利油田3种不同腐蚀和石油污染条件下的埋地石油管道土壤样品。利用16 S rRNA基因高通量Illumina MiSeq测序技术对不同环境土壤微生物群落进行分析。电化学测试进行了钢的腐蚀调查。结果表明，与未腐蚀和未污染的土壤（NC土壤）相比，石油污染的腐蚀管道周围土壤（O土壤和C土壤）的微生物多样性显著降低。C-土壤中含有较多的Balneolaceae（Balneola，KSA 1）、Flavobacteriaceae（Muricauda，Gramella）和Desulfuronadaceae（Pelicum，Geoalkalibacter）。O型土壤中的盐单胞菌属、假交替单胞菌属、冷杆菌属和迪茨氏菌属的丰度较高，据报道它们具有降解碳氢化合物的能力。此外，电化学测量表明，微观的C-土壤和NC-土壤促进钢铁腐蚀，而C-土壤社区表现出略高的腐蚀速率。然而，O-土壤社区减轻了钢的腐蚀。结果表明，管道腐蚀增加了周围土壤中可能与发酵、硫呼吸、铁呼吸和锰呼吸有关的微生物的比例，增强了土壤的腐蚀性，而石油污染削弱了土壤的腐蚀能力，促进了微生物群落中烃类降解菌的生长。
Buried petroleum pipeline corrosion and leaks cause inevitable changes in the microbial communities of the surrounding soils. In addition, soils with different microbial communities can make different contributions to buried pipeline corrosion. Three kinds of soil samples of buried petroleum pipelines under different corrosion and petroleum contamination conditions were collected from the Shengli Oilfield of China to investigate the mutual influence between corrosion and the microbial communities of the surrounding soil. The 16S rRNA gene high-throughput Illumina MiSeq sequencing was used to analyze the microbial communities of different surrounding soils. Electrochemical tests were performed for steel corrosion investigation. The results showed that the microbial diversity of the surrounding soils of corroded pipelines with/without petroleum contamination (O-soil and C-soil, respectively) decreased significantly as compared with that of the non-corroded and non-contaminated ones (NC-soil). The C-soil contained more abundant Balneolaceae (Balneola, KSA1), Flavobacteriaceae (Muricauda, Gramella) and Desulfuromonadaceae (Pelobacter, Geoalkalibacter). The O-soil possessed a greater abundance of Halomonas, Pseudoalteromonas, Psychrobacter and Dietzia, which were reported to have a capacity for hydrocarbon degradation. Moreover, electrochemical measurements indicated that the microcosm of the C-soil and NC-soil promoted steel corrosion, while the C-soil community showed a slightly higher corrosion rate. However, the O-soil community mitigated the steel corrosion. These observations suggested that pipeline corrosion increased proportions of microorganisms, which are likely related to fermentation, sulfur respiration, iron respiration and manganese respiration in surrounding soils and enhanced the soil corrosivity, while petroleum contamination weakened the corrosion ability and promoted the growth of hydrocarbon-degrading organisms in the microbial community.
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鼠兔种群密度与肠道微生物群的组成和多样性有关
影响因子：
5.2
作者：
Li H;Qu J;Li T;Li J;Lin Q;Li X
通讯作者：
Li X
影响因子：
11.4
作者：
Liang, Renxing;Aktas, Deniz F.;Sufllita, Joseph M.
通讯作者：
Sufllita, Joseph M.
DOI：
10.1016/j.ibiod.2011.12.008
发表时间：
2012-04-01
影响因子：
4.8
作者：
Al-Awadhi, H.;Dashti, N.;Radwan, S.
通讯作者：
Radwan, S.
影响因子：
56.9
作者：
Louca, Stilianos;Parfrey, Laura Wegener;Doebeli, Michael
通讯作者：
Doebeli, Michael
影响因子：
64.8
作者：
Dinh, HT;Kuever, J;Widdel, F
通讯作者：
Widdel, F