通过使用高通量安普利康序列测序来解读涉及海洋钢铁腐蚀的微生物群落
Biji Shibulal1, Martin Peter Smith1, Ian Cooper1
1School of Applied Sciences, University of Brighton, Brighton, UK.
Environmental microbiology reports
|August 27, 2024
概括
细菌群落,特别是硫酸盐降解微生物 (SRBs),通过生物酸或电化学过程驱动潮间结构腐蚀. 一种新的快速方法可以在腐蚀样本中识别SRB.
科学领域:
- 海洋微生物学 海洋微生物学
- 腐蚀科学是一种腐蚀科学.
- 环境生物技术环境生物技术
背景情况:
- 潮间结构面临着严重的腐蚀挑战.
- 细菌群落与微生物影响腐蚀 (MIC) 有关.
- 了解微生物的作用对于材料保护至关重要.
研究的目的:
- 为了确定与潮间腐蚀相关的细菌群落.
- 阐明英国不同沿海地区微生物腐蚀的机制.
- 开发一种用于硫酸盐减少微生物 (SRBs) 的快速诊断方法.
主要方法:
- 从三个英国沿海地点采集腐蚀材料,沉积物和海水的样本.
- 化学分析以检测微生物活动.
- 16S rRNA基因测序用于微生物社区概况.
- 定量聚合酶连锁反应 (qPCR) 高分辨率化曲线分析dsrB基因用于SRB识别.
主要成果:
- 在Shoreham和Newhaven检测到减少硫酸盐的微生物 (SRB),但在Southend-on-Sea没有.
- 蛋白质细菌,Campilobacterota,Desulfobacterota和Firmicutes是主要的细菌类.
- 腐蚀机制各不相同:在Shoreham/Newhaven的生物酸,以及在Southend-on-Sea的电化学/酶过程.
- 成功开发了一种用于SRB检测的快速qPCR方法.
结论:
- 细菌群体,包括SRB和硫氧化微生物,对潮间腐蚀有很大的贡献.
- 存在不同的微生物腐蚀机制,受当地环境条件的影响.
- 开发的dsrB基因基因基因基因基因基因基因基因基因基因基因基因基因基因基因基因基因基因基因基因基因基因基因基因基因基因基因基因基因基因基因基因基因基因基因基因基因基因基因基因基因基因基因基因基因基因基因基因基因基因基因基因基因基因基因基因基因基因基因基因基因基因基因基因基因基因基因.
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