title: Degradation of mono-chlorinated dibenzo-p-dioxins by Janibacter sp. strain YA isolated from river sediment.
abstract: Strain YA was newly isolated from an enrichment culture of river sediment and was identified as Janibacter sp. It was able to utilize dibenzofuran as the sole source of carbon and energy. Strain YA degraded > 90% of 1-chloro-dibenzo-p-dioxin (1-CDD) and > 80% of 2-chloro-dibenzo-p-dioxin in 18 hours with each initial concentration at 40 mg/L. A novel metabolite, 2-chloro-2',6-dihydroxydiphenylether, was observed in 1-CDD degradation. From the metabolites detected by gas chromatography-mass spectrometry, strain YA was supposed to have at least two types of oxidation pathways in 1-CDD degradation.
authors.affiliation: Department of Urban Engineering, Graduate School of Engineering, The University of Tokyo, 7-3-1, Hougo, Bunko-Ku, Tokyo, 113-8656, Japan.
authors.forename: Shoko
authors.initials: S
authors.lastname: Iwai
authors.forename: Atsushi
authors.initials: A
authors.lastname: Yamazoe
authors.forename: Ryosuke
authors.initials: R
authors.lastname: Takahashi
authors.forename: Futoshi
authors.initials: F
authors.lastname: Kurisu
authors.forename: Osami
authors.initials: O
authors.lastname: Yagi
mesh_terms: D000192:Actinomycetales / Q000145:classification / Q000302:isolation & purification / Q000378:metabolism*; D001572:Benzofurans / Q000378:metabolism; D001673:Biodegradation, Environmental; D004269:DNA, Bacterial / Q000737:chemistry / Q000235:genetics; D004275:DNA, Ribosomal / Q000737:chemistry / Q000235:genetics; D004147:Dioxins / Q000378:metabolism*; D008401:Gas Chromatography-Mass Spectrometry; D019015:Geologic Sediments / Q000382:microbiology*; D008969:Molecular Sequence Data; D015394:Molecular Structure; D012336:RNA, Ribosomal, 16S / Q000235:genetics; D045483:Rivers / Q000382:microbiology; D017422:Sequence Analysis, DNA; D014871:Water Microbiology
chemical_list: D001572:Benzofurans; D004269:DNA, Bacterial; D004275:DNA, Ribosomal; D004147:Dioxins; D012336:RNA, Ribosomal, 16S; C023614:dibenzofuran; C027643:2-chlorodibenzo-4-dioxin