Catabolic profiles dynamics during the bioremediation process of chlorimuron-ethyl contaminated soil by Methanolivorans CHL1T.
作者： Liqiang Yang , Xinyu Li , Xu Li , Zhencheng Su , Chenggang Zhang
DOI: 10.1016/J.ECOENV.2018.02.004
关键词:
摘要: Abstract Excessive application of the long-term herbicide chlorimuron-ethyl has resulted in series environmental problems. Bioaugmentation usually a useful method contaminated-environment remediation. In this study, strain Methanolivorans CHL1T with highly degrading efficiency was employed to assess its remediation effects on chlorimuron-ethyl-contaminated soil. The residues soils and survival condition were detected. Meanwhile, shifts soil microbial catabolic profile investigated by MicroResp™ analysis for first time. results indicated that significantly shorten half-life (6–17 days) removed 95–100% end experiment. CHL1 could inhabit steadily (4.2–4.7 × 107 per g dry soil) long inoculation relieved disturbance CLPPs. After 60 days, basal respiration rates Shannon-Wiener indices groups S10+ S30+ had recovered control level. Even high chlorimuron-ethyl-treated (S100), higher S100+ than S100-. These show outstanding provide new insights into assessment process contaminated soils.
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