Biodegradation Of Bisphenol A By Sphingobium Sp. Yc-Jy1 And The Essential Role Of Cytochrome P450 Monooxygenase
文献类型: 外文期刊
作者: Jia, Y; Eltoukhy, A; Wang, JH; Li, XJ; Hlaing, TS; Aung, MM; Nwe, MT; Lamraoui, I; Yan, YC
作者机构:
关键词: Bisphenol A; Sphingobium Sp; Biodegradation; Cytochrome P450; Soil Remediation
期刊名称: INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
ISSN:
年卷期: 2020 年 21 卷 10 期
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收录情况: JCR(2021版)
摘要: Bisphenol A (BPA) is a widespread pollutant threatening the ecosystem and human health. An effective BPA degrader YC-JY1 was isolated and identified as Sphingobium sp. The optimal temperature and pH for the degradation of BPA by strain YC-JY1 were 30 degrees C and 6.5, respectively. The biodegradation pathway was proposed based on the identification of the metabolites. The addition of cytochrome P450 (CYP) inhibitor 1-aminobenzotriazole significantly decreased the degradation of BPA by Sphingobium sp. YC-JY1. Escherichia coli BL21 (DE3) cells harboring pET28a-bisdAB achieved the ability to degrade BPA. The bisdB gene knockout strain YC-JY1 Delta bisdB was unable to degrade BPA indicating that P450(bisdB) was an essential initiator of BPA metabolism in strain YC-JY1. For BPA polluted soil remediation, strain YC-JY1 considerably stimulated biodegradation of BPA associated with the soil microbial community. These results point out that strain YC-JY1 is a promising microbe for BPA removal and possesses great application potential.
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