Degradation of 2,2′,4,4′-tetrabromodiphenyl ether by Pycnoporus sanguineus in the presence of copper ions
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摘要
The degradation of 2,2′,4,4′-tetrabromodiphenyl ether(BDE-47) by Pycnoporus sanguineus was investigated in order to explore the impact of the heavy metal Cu~(2+) on BDE-47 decomposition and the subsequent formation of metabolites, as well as to further elucidate the degradation mechanism of BDE-47. An increase in degradation rate from 18.63% to49.76% in the first four days and its stabilization at(51.26 ± 0.08)% in the following days of BDE-47 incubation were observed. The presence of Cu~(2+) at 1 and 2 mg/L was found to promote the degradation rate to 56.41% and 60.79%, respectively, whereas higher level of Cu~(2+) (≥ 5 mg/L) inhibited the removal of BDE-47. The similar concentration effects of Cu~(2+) was also found on contents of fungal protein and amounts of metabolites. Both intracellular and extracellular enzymes played certain roles in BDE-47 transportation with the best degradation rate at 27.90% and 27.67% on the fourth and third day, individually. During the degradation of BDE-47, four types of hydroxylated polybrominated diphenyl ethers(OH-PBDEs), i.e., 6′-OH-BDE-47, 5′-OH-BDE-47, 4′-OH-BDE-17, 2′-OH-BDE-28, and two bromophenols, i.e., 2,4-DBP and 4-BP were detected and considered as degradation products. These metabolites were further removed by P. sanguineus at rates of 22.42%,23.01%, 27.04%, 27.96%, 64.21%, and 40.62%, respectively.
The degradation of 2,2′,4,4′-tetrabromodiphenyl ether(BDE-47) by Pycnoporus sanguineus was investigated in order to explore the impact of the heavy metal Cu~(2+) on BDE-47 decomposition and the subsequent formation of metabolites, as well as to further elucidate the degradation mechanism of BDE-47. An increase in degradation rate from 18.63% to49.76% in the first four days and its stabilization at(51.26 ± 0.08)% in the following days of BDE-47 incubation were observed. The presence of Cu~(2+) at 1 and 2 mg/L was found to promote the degradation rate to 56.41% and 60.79%, respectively, whereas higher level of Cu~(2+) (≥ 5 mg/L) inhibited the removal of BDE-47. The similar concentration effects of Cu~(2+) was also found on contents of fungal protein and amounts of metabolites. Both intracellular and extracellular enzymes played certain roles in BDE-47 transportation with the best degradation rate at 27.90% and 27.67% on the fourth and third day, individually. During the degradation of BDE-47, four types of hydroxylated polybrominated diphenyl ethers(OH-PBDEs), i.e., 6′-OH-BDE-47, 5′-OH-BDE-47, 4′-OH-BDE-17, 2′-OH-BDE-28, and two bromophenols, i.e., 2,4-DBP and 4-BP were detected and considered as degradation products. These metabolites were further removed by P. sanguineus at rates of 22.42%,23.01%, 27.04%, 27.96%, 64.21%, and 40.62%, respectively.
The degradation of 2,2′,4,4′-tetrabromodiphenyl ether(BDE-47) by Pycnoporus sanguineus was investigated in order to explore the impact of the heavy metal Cu~(2+) on BDE-47 decomposition and the subsequent formation of metabolites, as well as to further elucidate the degradation mechanism of BDE-47. An increase in degradation rate from 18.63% to49.76% in the first four days and its stabilization at(51.26 ± 0.08)% in the following days of BDE-47 incubation were observed. The presence of Cu~(2+) at 1 and 2 mg/L was found to promote the degradation rate to 56.41% and 60.79%, respectively, whereas higher level of Cu~(2+) (≥ 5 mg/L) inhibited the removal of BDE-47. The similar concentration effects of Cu~(2+) was also found on contents of fungal protein and amounts of metabolites. Both intracellular and extracellular enzymes played certain roles in BDE-47 transportation with the best degradation rate at 27.90% and 27.67% on the fourth and third day, individually. During the degradation of BDE-47, four types of hydroxylated polybrominated diphenyl ethers(OH-PBDEs), i.e., 6′-OH-BDE-47, 5′-OH-BDE-47, 4′-OH-BDE-17, 2′-OH-BDE-28, and two bromophenols, i.e., 2,4-DBP and 4-BP were detected and considered as degradation products. These metabolites were further removed by P. sanguineus at rates of 22.42%,23.01%, 27.04%, 27.96%, 64.21%, and 40.62%, respectively.
引文
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Schreder,E.D.,La Guardia,M.J.,2014.Flame retardant transfers from U.S.households(dust and laundry wastewater)to the aquatic environment.Environ.Sci.Technol.48,11575-11583.
Scott,O.C.M.,Jim,C.S.,Georges,L.C.,Shirley,F.N.,Barbara Sherwood,L.,2017.Branched pathways in the degradation of cDCE by cytochrome P450 in Polaromonas sp.JS666.Sci.Total Environ.605-606,99-105.
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Cao,Y.G.,Yin,H.,Peng,H.,Tang,S.Y.,Lu,G.N.,Dang,Z.,2017.Biodegradation of 2,2′,4,4′-tetrabromodiphenyl ether(BDE-47)by Phanerochaete chrysosporium in the presence of Cd2+.Environ.Sci.Pollut.Res.24,11415-11424.
Chen,B.,Ding,J.,2012.Biosorption and biodegradation of phenanthrene and pyrene in sterilized and unsterilized soil slurry systems stimulated by Phanerochaete chrysosporium.J.Hazard.Mater.229(3),159-169.
Chen,A.W.,Zeng,G.M.,Chen,G.Q.,Fan,J.Q.,Zou,Z.J.,Li,H.,et al.,2011.Simultaneous cadmium removal and 2,4-dichlorophenol degradation from aqueous solutions by Phanerochaete chrysosporium.Appl.Environ.Microbiol.91(3),811-821.
Chen,A.,Park,J.S.,Linderholm,L.,Rhee,A.,Petreas,M.,Defranco,E.A.,et al.,2013.Hydroxylated polybrominated diphenyl ethers in paired maternal and cord sera.Environ.Sci.Technol.47,3902-3908.
Deng,D.,Tam,N.F.Y.,2016.Adsorption-uptake-metabolism kinetic model on the removal of BDE-47 by a Chlorella isolate.Environ.Pollut.212,290-298.
Dupont,C.L.,Grass,G.,Rensing,C.,2011.Copper toxicity and the origin of bacterial resistance-new insights and applications.Metallomics.3,1109-1118.
Eguchi,A.,Nomiyama,K.,Devanathan,G.,Subramanian,A.,Bulbule,K.A.,Parthasarathy,P.,et al.,2012.Different profiles of anthropogenic and naturally produced organohalogen compounds in serum from residents living near a coastal area and e-waste recycling workers in India.Environ.Int.47,8-16.
Feng,M.,Yin,H.,Peng,H.,Liu,X.T.,Yang,P.P.,Lu,G.N.,et al.,2017.Influence of co-existed tetrabromobisphenol A(TBBPA)and hexavalent chromium on the cellular characteristics of Pycnoporus sanguineus during their removal and reduction.Ecotox.Environ.Safe.142,388-398.
Feng,M.,Yin,H.,Peng,H.,Lu,G.N.,Liu,Z.H.,Dang,Z.,2018.iTRAQ-based proteomic profiling of Pycnoporus sanguineus in response to co-existed tetrabromobisphenol A(TBBPA)and hexavalent chromium.Environ.Pollut.242,1758-1767.
Gao,N.,Liu,C.X.,Xu,Q.M.,Cheng,J.S.,Yuan,Y.J.,2018.Simultaneous removal of ciprofloxacin,norfloxacin,sulfamethoxazole by co-producing oxidative enzymes system of Phanerochaete chrysosporium and Pycnoporus sanguineus.Chemosphere.195,146-155.
Girotto,E.,Ceretta,C.A.,Rossato,L.V.,Farias,J.G.,Tiecher,T.L.,De Conti,L.,et al.,2013.Triggered antioxidant defense mechanism in maize grown in soil with accumulation of Cu and Zn due to intensive application of pig slurry.Ecotox.Environ.Safe.93,145-155.
Gross,M.S.,Butryn,D.M.,McGarrigle,B.P.,Aga,D.S.,Olson,J.R.,2015.Primary role of cytochrome P450 2B6 in the oxidative metabolism of 2,2′,4,4′,6-pentabromodiphenyl ether(BDE-100)to hydroxylated BDEs.Chem.Res.Toxicol.28,672-681.
Hanif,M.A.,Bhatti,H.N.,2015.Remediation of heavy metals using easily cultivable,fast growing,and highly accumulating white rot fungi from hazardous aqueous streams.Desalin.Water Treat.53,238-248.
Haraguchi,K.,Kotaki,Y.,Relox Jr.,J.R.,Romero,M.L.J.,Terada,R.,2010.Monitoring of naturally produced brominated phenoxyphenols and phenoxyanisoles in aquatic plants from the Philippines.J.Agric.Food Chem.58,12385-12391.
Huang,Z.Z.,Xu,P.,Chen,G.Q.,Zeng,G.M.,Chen,A.W.,Song,Z.X.,et al.,2018.Silver ion-enhanced particle-specific cytotoxicity of silver nanoparticles and effect on the production of extracellular secretions of Phanerochaete chrysosporium.Chemosphere.196,575-584.
Jacobson,M.H.,Barr,D.B.,Marcus,M.,Muir,A.B.,Lyles,R.H.,Howards,P.P.,et al.,2016.Serum polybrominated diphenyl ether concentrations and thyroid function in young children.Environ.Res.149,222-230.
Li,G.Y.,Xiong,J.K.,Wong,P.K.,An,T.C.,2016.Enhancing tetrabromobisphenol A biodegradation in river sediment microcosms and understanding the corresponding microbial community.Environ.Pollut.208,796-802.
Li,X.H.,Tian,Y.,Zhang,Y.,Ben,Y.J.,Lv,Q.X.,2017.Accumulation of polybrominated diphenyl ethers in breast milk of women from an e-waste recycling center in China.J.Environ.Sci.52,305-313.
Li,X.Z.,Pan,Y.S.,Hu,S.,Cheng,Y.X.,Wang,Y.J.,Wu,K.,et al.,2018.Diversity of phenanthrene and benz[a]anthracene metabolic pathways in white rot fungus Pycnoporus sanguineus 14.Int.Biodeterior.Biodegrad.134,25-30.
Lin,K.D.,Zhou,S.Y.,Chen,X.,Ding,J.F.,Kong,X.Y.,Gan,J.,2015.Formation of hydroxylated polybrominated diphenyl ethers from laccase-catalyzed oxidation of bromophenols.Chemosphere.138,806-813.
Liu,X.T.,Yin,H.,Tang,S.Y.,Feng,M.,Peng,H.,Lu,G.N.,2017.Effects of single and combined copper/perfluorooctane sulfonate on sequencing batch reactor process and microbial community in activated sludge.Bioresour.Technol.238,407-415.
Lu,M.,Zhang,Z.Z.,Wu,X.J.,Xu,Y.X.,Su,X.L.,Zhang,S.M.,et al.,2013.Biodegradation of decabromodiphenyl ether(BDE-209)by a metal resistant strain,Bacillus cereus JP12.Bioresour.Technol.149,8-15.
Navada,K.K.,Sanjeev,G.,Kulal,A.,2018.Enhanced biodegradation and kinetics of anthraquinone dye by laccase from an electron beam irradiated endophytic fungus.Int.Biodeterior.Biodegrad.132,241-250.
Postemsky,P.D.,Delmastro,S.E.,Curvetto,N.R.,2014.Effect of edible oils and Cu(II)on the biodegradation of rice by-products by Ganoderma lucidum mushroom.Int.Biodeterior.Biodegrad.93,25-32.
Schreder,E.D.,La Guardia,M.J.,2014.Flame retardant transfers from U.S.households(dust and laundry wastewater)to the aquatic environment.Environ.Sci.Technol.48,11575-11583.
Scott,O.C.M.,Jim,C.S.,Georges,L.C.,Shirley,F.N.,Barbara Sherwood,L.,2017.Branched pathways in the degradation of cDCE by cytochrome P450 in Polaromonas sp.JS666.Sci.Total Environ.605-606,99-105.
Sha,J.J.,Wang,Y.,Lv,J.X.,Wang,H.,Chen,H.M.,Qi,L.L.,et al.,2015.Effects of two polybrominated diphenyl ethers(BDE-47,BDE-209)on the swimming behavior,population growth and reproduction of the rotifer Brachionus plicatilis.J.Environ.Sci.28,54-63.
Shin,M.Y.,Kim,S.M.,Lee,S.Y.,Kim,H.J.,Lee,J.J.,Choi,G.Y.,et al.,2018.Prenatal contribution of 2,2′,4,4′-tetrabromodiphenyl ether(BDE-47)to total body burden in young children.Sci.Total Environ.616,510-516.
Su,G.Y.,Zhang,X.W.,Liu,H.L.,Giesy,J.P.,Lam,M.H.W.,Lam,P.K.S.,et al.,2012.Toxicogenomic mechanisms of 6-OH-BDE-47,6-MeO-BDE-47,and BDE-47 in E.coli.Environ.Sci.Technol.46,1185-1191.
Sun,J.L.,Chen,Z.X.,Ni,H.G.,Zeng,H.,2013a.PBDEs as indicator chemicals of urbanization along an urban/rural gradient in South China.Chemosphere.92,471-476.
Sun,J.T.,Liu,J.Y.,Liu,Y.W.,Jiang,G.B.,2013b.Hydroxylated and methoxylated polybrominated diphenyl ethers in mollusks from Chinese coastal areas.Chemosphere.92,322-328.
Sun,S.Y.,Zhang,Z.,Chen,Y.C.,Hu,Y.Y.,2016.Biosorption and biodegradation of BDE-47 by Pseudomonas stutzier.Int.Biodeterior.Biodegrad.108,16-23.
Tang,X.J.,Shen,C.F.,Shi,D.Z.,Cheema,S.A.,Khan,M.I.,Zhang,C.K.,et al.,2010.Heavy metal and persistent organic compound contamination in soil from Wenling:an emerging e-waste recycling city in Taizhou area,China.J.Hazard.Mater.173,653-660.
Tang,S.Y.,Yin,H.,Zhou,S.,Chen,S.N.,Peng,H.,Liu,Z.H.,et al.,2016.Simultaneous Cr(VI)removal and 2,2′,4,4′-tetrabromodiphenyl ether(BDE-47)biodegradation by Pseudomonas aeruginosa in liquid medium.Chemosphere.150,24-32.
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