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Isolation and characterization of an Arthrobacter sp. strain HB-5 that transforms atrazine

机译:关节杆菌属的分离和鉴定转化阿特拉津的HB-5菌株

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摘要

A bacterial strain (HB-5) capable of utilizing atrazine as sole carbon and nitrogen source for growth was isolated from an industrial wastewater sample by enrichment culture. The isolate was identified as Arthrobacter sp. according to its phenotypic features, physiologic and biochemical characteristics, and phylogenetic analysis. The strain exhibited faster atrazine degradation rates in atrazine-containing mineral media than the well-characterized atrazine-degrading bacteria Pseudomonas sp. ADP. The broad optimum pH and temperature ranges observed for strain HB-5 indicate that it has potential for remediation of atrazine-contaminated sites. Strain HB-5 first metabolizes atrazine to yield hydroxyatrazine. Then, the bacterium metabolizes hydroxyatrazine to cyanuric acid, but could not mineralize atrazine.
机译:通过富集培养从工业废水样品中分离出能够利用at去津作为唯一碳源和氮源进行生长的细菌菌株(HB-5)。该分离物被鉴定为节杆菌。根据其表型特征,生理生化特征和系统发育分析。该菌株在含阿特拉津的矿物质培养基中的阿特拉津降解速率比特征充分的降解阿特拉津的细菌假单胞菌(Pseudomonas sp。)快。 ADP。 HB-5菌株观察到的最佳pH和温度范围较宽,表明它具有修复阿特拉津污染部位的潜力。 HB-5菌株首先代谢阿特拉津,产生羟基阿特拉津。然后,细菌将羟基阿特拉津代谢为氰尿酸,但不能使阿特拉津矿化。

著录项

  • 来源
    《Environmental Geochemistry and Health》 |2011年第3期|p.259-266|共8页
  • 作者单位

    College of Resources and Environment, Shandong Agriculture University, 271018 Taian, China;

    College of Resources and Environment, Shandong Agriculture University, 271018 Taian, China;

    College of Resources and Environment Engineering, Shandong University of Technology, 255049 Zibo, China;

    College of Resources and Environment, Shandong Agriculture University, 271018 Taian, China;

    College of Resources and Environment, Shandong Agriculture University, 271018 Taian, China;

    College of Resources and Environment, Shandong Agriculture University, 271018 Taian, China;

    College of Resources and Environment, Shandong Agriculture University, 271018 Taian, China;

    Shandong Analysis and Test Center, Jinan, China;

    Shandong Analysis and Test Center, Jinan, China;

  • 收录信息 美国《科学引文索引》(SCI);美国《生物学医学文摘》(MEDLINE);美国《化学文摘》(CA);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    atrazine; biodegradation; arthrobacter sp. HB-5; metabolites;

    机译:阿特拉津生物降解关节杆菌HB-5;代谢物;
  • 入库时间 2022-08-17 13:28:20

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