微生物发酵产物对硫酸盐还原菌生物膜的分解作用
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- 英文论文题名：The Effect of Fermented Product on Sulfate-Reducing Bacteria Biofilm
- 论文作者：段东霞 ; 蔺存国 ; 孙明明
- 英文论文作者：DUAN Dong-xia ; LIN Cun-guo ; SUN Ming-ming ; State Key Laboratory for Marine Corrosion and Protection ; Luoyang Ship Material Research Institute ; College of Marine Life Science Ocean University of China
- 年：2010
- 作者机构：海洋腐蚀与防护国防科技重点实验室;洛阳船舶材料研究所;中国海洋大学海洋生命学院;
- 论文关键词：硫酸盐还原菌 ; 微生物腐蚀 ; 生物膜 ; 生物防治
- 会议召开时间：2010-07-28
- 会议录名称：第十六届全国缓蚀剂学术讨论会论文集
- 语种：中文
- 分类号：TG174
- 学会代码：ZGHA
- 会议名称：第十六届全国缓蚀剂学术讨论及应用技术经验交流会
- 会议地点：中国上海
- 主办单位：中国腐蚀与防护学会缓蚀剂专业委员会
- 学会名称：中国腐蚀与防护学会缓蚀剂专业委员会
- 页数：3
- 文件大小：330k
- 原文格式：O
- 会议级别：全国
摘要
硫酸盐还原菌是引起微生物腐蚀的主要细菌之一。本工作以硫酸盐还原菌生物膜为研究对象,探讨了海洋微生物发酵产物对硫酸盐还原菌生物膜的分解作用。研究结果表明,蛋白酶产生菌A的发酵产物能够有效清除材料表面已经形成的硫酸盐还原菌生物膜。蛋白酶产生菌A对硫酸盐还原菌生物膜的清除主要依赖于发酵液中蛋白酶对生物膜中大分子的降解作用,而不是对硫酸盐还原菌的杀灭作用。上述实验结果为利用生物技术防止微生物腐蚀提供了有益的启示。
Sulfate reducing bacteria are a main type of bacteria involved in microbiologically influenced corrosion.In this paper,the effect of fermented product on sulfate reducing bacteria biofilm was discussed.The result showed that fermented product reduced biofilm on glass-slip distinctively.The test also showed that the fermented product hadn't negatively influence on sulfate-reducing bacteria cell,while fermented product hydrolyzed the large molecule in biofilm to reduce the amount of sulfate reducing bacteria on glass slip.
Sulfate reducing bacteria are a main type of bacteria involved in microbiologically influenced corrosion.In this paper,the effect of fermented product on sulfate reducing bacteria biofilm was discussed.The result showed that fermented product reduced biofilm on glass-slip distinctively.The test also showed that the fermented product hadn't negatively influence on sulfate-reducing bacteria cell,while fermented product hydrolyzed the large molecule in biofilm to reduce the amount of sulfate reducing bacteria on glass slip.
引文
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[10]Jayaraman A,Hallock P J,Carson R M,et al.Inhibiting sulfate-reducing bacteria in biofilms on steel with antimicrobial peptides generated in situ[J].Applied Microbiology and Biotechnology,1999,52(2):267-275.
[2]王庆飞,宋诗哲.金属材料海洋环境生物污损腐蚀研究进展[J].中国腐蚀与防护学报,2002,22(3):184-188.
[3]Iwona B Beech.Corrosion of technical materials in the presence of biofilms-current understanding and state-of the art methods of study[J].International biodeterioration&biodegradation.2004,53:177-183.
[4]Yannick Lequettea,Gauthier Boelsb,Martine Clarissea,et al.Using enzymes to remove biofilms of bacterial isolates sampled in the food-industry[J].Biofouling,2010,26(4):421-431.
[5]Martin Hangler Mette Burmlle,Ib Schneider et al.The serine protease Esperase HPF inhibits the formation of multispecies biofilm[J].Biofouling,2009,25(7):667-674.
[6]Leroy C,Delbarre C,Ghillebaert F,et al.Effects of commercial enzymes on the adhesion of a marine biofilm-forming bacterium[J].,2008,24(1):11-22.
[7]林清枝.微生物腐蚀机制与控制[J].大学化学,1999,14(6):29-33.
[8]Juan Garcia de Lomas,Alfonso Corzo,Portillo M Carmen,et al.Nit rate stimulation of indigenous nitrate-reducing,sulfide-oxidising bacterial community in wastewater anaerobic biofilms[J].Water Research,2007,41(14):3121-3131.
[9]Hernandez G.Kucera V,Thierry D,et al.Corrosion inhibition of steel by bacteria[J].Corrosion,1994,50(8):603-608.
[10]Jayaraman A,Hallock P J,Carson R M,et al.Inhibiting sulfate-reducing bacteria in biofilms on steel with antimicrobial peptides generated in situ[J].Applied Microbiology and Biotechnology,1999,52(2):267-275.