浮游藻类在水体PAHs富集与降解中的研究
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摘要
多环芳烃(Polycyclic Aromatic Hydrocarbon,PAHs)是水体中常见的有机污染物,其迁移转化途径包括化学吸附、挥发、光分解和化学降解等,但生物富集与降解是水体中PAHs去除的主要环境过程。结合国内外研究动态,重点探讨了藻类对PAHs的降解机理和环境因子对降解过程的影响,同时对日后研究方向进行了展望,指出今后应加强藻类对持久性有机污染物的吸附模型、降解过程中的基因调控机制等方面的研究。
Polycyclic Aromatic Hydrocarbons are common persistent organ ic pollutants in water. Their migration and transformation pathway included chemisorption, volatilization, photolysis, chemical degradation and so on. Among them, the main removal means of PAHs in water are biocondensation and degradation. This paper combined the domestic and foreign research dynamics, introduced the enrichment and degradation characteristics, mechanism and influence factors, and then focused on the PAHs degradation mechanism and the effects of environmental factors to PAHs degradation efficiency.Meanwhile this text looked to the future research directions and pointed out some research direction need to be strengthened,such as the organic pollutant adsorption model and gene regulation mechanism in pollutant degradation process.
Polycyclic Aromatic Hydrocarbons are common persistent organ ic pollutants in water. Their migration and transformation pathway included chemisorption, volatilization, photolysis, chemical degradation and so on. Among them, the main removal means of PAHs in water are biocondensation and degradation. This paper combined the domestic and foreign research dynamics, introduced the enrichment and degradation characteristics, mechanism and influence factors, and then focused on the PAHs degradation mechanism and the effects of environmental factors to PAHs degradation efficiency.Meanwhile this text looked to the future research directions and pointed out some research direction need to be strengthened,such as the organic pollutant adsorption model and gene regulation mechanism in pollutant degradation process.
引文
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[13]周鑫森,陈洁君,耿立召,等.邻苯二酚2,3-双加氧酶的结构和功能研究进展[J].生物技术通报,2007(4):51-54.
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[18]王秀翠,高彦征,朱雪竹,等.萘、菲和芘对铜绿微囊藻生长的影响[J].农业环境科学学报,2014,33(4):656-663.
[19]LEI A P,HU Z L,WOJAG Y S,et al.Removal of fluoranthene and pyrene by different microalgae species[J].Bioresoure technology,2007,98(2):273-280.
[20]YUAN S Y,SHIUNG L C,CHANG B V.Biodegradation of polycyclic aromatic hydrocarbons by inoculated microorganisms in soil.[J].Bulletin of environmental contamination and toxicology,2002,69:66-73.
[21]DEAN-ROSS D,MOODY J,CERNIGLIA C E.Utilisation of mixtures of polycyclic aromatic hydrocarbons by bacteria isolated from contaminated sediment[J].Fems microbiology ecology,2002,41:l-7.
[22]孔庆霞,朱利中,沈学优,等.不同营养条件下萘和菲对小球藻的毒性效应和机制研究[D].杭州:浙江大学,2010.
[23]MENALLY D L,MIHELEIE J R,LUEKING D R.Biodegradation of mixtures of poly-cyclic aromatic hydrocarbons under aerobic and nitrate-redueing conditions[J].Chemosphere,1999,38(6):1 313-1 321.
[24]AKSMANN A,TUKAJ Z.The effect of anthracene and phenanthrene on the growth,photosynthesis and SOD activity of green alga scenedesmus armatus depend on the PAR irradiance and CO2level[J].Archives of environmental contamination and toxieology,2004,47:177-184.
[2]AKSU Z.Application of biosorption for the removal of organic pollutants:a review[J].Process biochem,2005,40:997-1 026.
[3]KE L,LUO L J.Effects of metals on biosorption and biodegradation of mixed polycyclic aromatic hydrocarbons by a freshwater green alga Selenastrum capricornutum[J].Bioresource technol,2010,101:6 950-6 961.
[4]SOTO C,HELLEBUST J A,HUTCHINSON T C.Effect of naphthalene and aqueous crude oil extracts on the green flagellate Chlamydomonas angulosa·I·Groloth.[J].Canaolina journal of botany,2011,53(2):109-117.
[5]洪有为,袁东星.典型多环芳烃对红树林区硅藻的毒性效应[J].海洋环境科学,2008,27(4):338-342.
[6]CERNIGLIA C E,GIBSON D T,VAN BAALEN C.Aromatic hydroearbon oxidation by diatoms isolated from the Kachemak Bay region of Alaska[J].Journal of general microbiology,1982,128:987-990.
[7]张丹.细菌降解萘、菲的代谢途径及相关基因的研究进展[J].生物工程报,2010,25,26(6):726-734.
[8]NARRO M L,CERNIGLIA C E,BAALEN C V,et al.Metabolism of phenanthrene by the marine cyanobacterium Agmenellum quadruplicatum PR-6[J].Applied and environmental microbiology,1992,58(4):1 351-1 359.
[9]SCHOENY R,CODY T,WARSHAWSKY D,et al.Metabolism of mutagenic polycyclic hydrocarbons by photosynthetic algal species[J].Mutation research,1988,197:289-302.
[10]JUHASZ A L.Degradation of fluoranthene,pyrene,benz[a]anthracene and diben z-[a,h]anthrancene by Burkholderia cepacia[J].J appl microbiol,1997,83(2):189-198.
[11]CHAN S M N,LUAN T G,WONG M.H,et al.Removal and biodegradation of polycyclic aromatic hydrocarbons by Selenastrum capricornutum[J].Environ toxicol chem,2006,25:1 772-1 779.
[12]罗丽娟,汪苹,柯林,等.羊角月牙藻在不同光源照射下对多环芳烃的转化去除研究[C]//第七次全国分析毒理学大会暨第四届分析毒理专业委员会第二次会议论文摘要集.杭州:[出版者不详],2014:66-67.
[13]周鑫森,陈洁君,耿立召,等.邻苯二酚2,3-双加氧酶的结构和功能研究进展[J].生物技术通报,2007(4):51-54.
[14]LESSER M P.Elevated temperature and ultraviolet radiation cause oxidative stress and inhibit photosynthesis in Symbiotic Dino flagellates[J].Limnol oceanogr,1996,41(2):271-283.
[15]王亚,王仁君,孙晓伟,等.蒽和UV-B辐射对米氏凯伦藻生长的影响[J].生物学通报,2009,44(12):44-46.
[16]于娟,唐学玺,张培玉,等.加富对两种海洋微绿藻的生长、光合作用和抗氧化酶活性的影响[J].生态学报,2005,25(2):197-202.
[17]DJOMO J E,DAUTA A,FERRIER V.Toxic effects of some major polyaromatic hydroearbons found in crude oil and aquatic sediments on Scenedesmus subspicatus[J].Water research,2004,38(7):1 817-1 821.
[18]王秀翠,高彦征,朱雪竹,等.萘、菲和芘对铜绿微囊藻生长的影响[J].农业环境科学学报,2014,33(4):656-663.
[19]LEI A P,HU Z L,WOJAG Y S,et al.Removal of fluoranthene and pyrene by different microalgae species[J].Bioresoure technology,2007,98(2):273-280.
[20]YUAN S Y,SHIUNG L C,CHANG B V.Biodegradation of polycyclic aromatic hydrocarbons by inoculated microorganisms in soil.[J].Bulletin of environmental contamination and toxicology,2002,69:66-73.
[21]DEAN-ROSS D,MOODY J,CERNIGLIA C E.Utilisation of mixtures of polycyclic aromatic hydrocarbons by bacteria isolated from contaminated sediment[J].Fems microbiology ecology,2002,41:l-7.
[22]孔庆霞,朱利中,沈学优,等.不同营养条件下萘和菲对小球藻的毒性效应和机制研究[D].杭州:浙江大学,2010.
[23]MENALLY D L,MIHELEIE J R,LUEKING D R.Biodegradation of mixtures of poly-cyclic aromatic hydrocarbons under aerobic and nitrate-redueing conditions[J].Chemosphere,1999,38(6):1 313-1 321.
[24]AKSMANN A,TUKAJ Z.The effect of anthracene and phenanthrene on the growth,photosynthesis and SOD activity of green alga scenedesmus armatus depend on the PAR irradiance and CO2level[J].Archives of environmental contamination and toxieology,2004,47:177-184.