Bacillus subtilis Inhibits Vibrio natriegens-Induced Corrosion via Biomineralization in Seawater

被引：27

作者：

Guo, Zhangwei ^{[1
]}

Pan, Shuai ^{[1
]}

Liu, Tao ^{[1
]}

Zhao, Qianyu ^{[1
]}

Wang, Yanan ^{[1
]}

Guo, Na ^{[1
]}

Chang, Xueting ^{[1
]}

Liu, Tong ^{[2
]}

Dong, Yaohua ^{[1
]}

Yin, Yansheng ^{[1
]}

机构：

[1] Shanghai Maritime Univ, Coll Ocean Sci & Engn, Shanghai, Peoples R China

[2] Qingdao Univ Sci & Technol, Coll Mat Sci & Engn, Qingdao, Shandong, Peoples R China

来源：

FRONTIERS IN MICROBIOLOGY | 2019年 / 10卷

基金：

国家重点研发计划; 中国博士后科学基金;

关键词：

low-alloyed steel; Bacillus subtilis; Vibrio natriegens; seawater; corrosion inhibition; biomineralization; MICROBIALLY INFLUENCED CORROSION; STAINLESS-STEEL; AMMONIFICATION; AMMONIUM; BEHAVIOR; NITRITE; CARBON;

D O I：

10.3389/fmicb.2019.01111

中图分类号：

Q93 [微生物学];

学科分类号：

071005 ; 100705 ;

摘要：

The marine bacterium, Vibrio natriegens, grows quickly in a marine environment and can significantly accelerate the corrosion of steel materials. Here, we present an approach to inhibit V. natriegens-induced corrosion by biomineralization. The corrosion of steel is mitigated in seawater via the formation of a biomineralized film induced by Bacillus subtilis. The film is composed of extracellular polymeric substances (EPS) and calcite, exhibiting stable anti-corrosion activity. The microbial diversity and medium chemistry tests demonstrated that the inhibition of V. natriegens growth by B. subtilis was essential for the formation of the biomineralized film.

引用

页数：10

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