Bacteria capable of degrading anthracene, phenanthrene, and fluoranthene as revealed by DNA based stable-isotope probing in a forest soil

Journal of Hazardous Materials
Mengke SongGan Zhang

Abstract

Information on microorganisms possessing the ability to metabolize different polycyclic aromatic hydrocarbons (PAHs) in complex environments helps in understanding PAHs behavior in natural environment and developing bioremediation strategies. In the present study, stable-isotope probing (SIP) was applied to investigate degraders of PAHs in a forest soil with the addition of individually (13)C-labeled phenanthrene, anthracene, and fluoranthene. Three distinct phylotypes were identified as the active phenanthrene-, anthracene- and fluoranthene-degrading bacteria. The putative phenanthrene degraders were classified as belonging to the genus Sphingomona. For anthracene, bacteria of the genus Rhodanobacter were the putative degraders, and in the microcosm amended with fluoranthene, the putative degraders were identified as belonging to the phylum Acidobacteria. Our results from DNA-SIP are the first to directly link Rhodanobacter- and Acidobacteria-related bacteria with anthracene and fluoranthene degradation, respectively. The results also illustrate the specificity and diversity of three- and four-ring PAHs degraders in forest soil, contributes to our understanding on natural PAHs biodegradation processes, and also proves the feas...Continue Reading

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Citations

Mar 8, 2016·Current Opinion in Biotechnology·Sara CoyotziJosh D Neufeld
Jul 15, 2016·Environmental Science and Pollution Research International·Chu-Wen YangBea-Ven Chang
Jan 5, 2018·Journal of Environmental Science and Health. Part A, Toxic/hazardous Substances & Environmental Engineering·Yan JiangXian M Zhang
Feb 3, 2018·BioMed Research International·Zuoyi YangYujie Wang
Feb 2, 2018·Critical Reviews in Biotechnology·Bo JiangDayi Zhang
Aug 2, 2018·Frontiers in Microbiology·Yue DengHongli Yuan
Dec 3, 2016·Archives of Environmental Contamination and Toxicology·Zhi-Feng ZhouYan-Hong Yao
Dec 16, 2020·Journal of Hazardous Materials·Beibei WangPeter Christie
Mar 1, 2019·Journal of Environmental Management·Carme BarbaNúria Gaju

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