分子生物技術的環境效益 -...

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4 分子生物技術的環境效益 Environmental Benefits of Molecular Biotechnology 阮國棟 1. 陳怡萱 2. 吳婉怡 3. 汪芷嫣 4. 行政院環境保護署科技顧問室 1. 主任 2. 技正 3. 薦任技士 4. 專案計畫研究助理 Email[email protected] 摘要 二十世紀解決環境汙染留有許多老問題,二十一世紀科技發展又會產生環境 汙染的新問題,無論是舊問題需要新工具,新問題也需要新工具,分子生物新工 具的引入,是未來污染防治及生態保育工作產生質變量變的契機。本文藉由最新 文獻資料的回顧,以環境科學及技術應用的基礎為主軸,針對舊問題及新問題的 解決可能性,界定分子生物技術的九大環境效益,分別為:環境生物監測及檢測, 環境汙染物監測與檢測,各種介質中污染物之去除處理,土壤地下水污染整治, 環境管理及風險評估,環境汙染責任鑑定等六類舊問題的加速及深化解決,以及 趨同科技的環境衝擊評估,永續發展綠色生產技術開發,生物多樣性保育復育等 三類新問題的掌握及有效解決。 關鍵字:分子生物、環境效益、生物技術、環境污染、永續發展 一、前言 舊問題需要新工具,當環境汙染問題在二十世紀氾濫惡化之際,面對 新世紀科技快速變革的同時,環境保護的老問題,是否也能突破瓶頸,相 容成長以致爭取贏家勝算,分子生物新工具的介入,是未來產生質變量變 的成功策略之一。 無論就微生物檢測、污染物鑑定、污染整治、綠色生產、風險評估、糾紛 責任歸屬、環境法庭證據、基改作物影響等類別去思考,分子生物技術均能在 其中扮演相當前瞻的角色。由於可能影響的層面甚為廣泛,本文試圖就環境科 學及技術應用的專業認知為基礎,就上述這些影響層面做分類,指出分子生物 科技的九大環境效益,提供未來文獻資料研析及歸類的依據。 以分子生物科技做為環境保護的新工具,其推動策略不外乎:加速引進新 資訊、新產品及應用實務;加速國內資源投入、跨領域交流合作及整合;加速 產官學研對前瞻技術及實務應用之共同認知、協調分工。本文提出“九大環境

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  • 4

    Environmental Benefits of Molecular Biotechnology

    1. 2. 3. 4.

    1. 2. 3. 4.

    [email protected]

  • 5

    1.

    (on time/in-situ)

    (denitrification, NO2N2)

    PCR PrimernirK and nirS

    rRNA-target probes, RT-PCR Braker et al,

    1998; Wilson et al, 1998

    100 -

    150m (Simultaneous

    nitrification and denitrification, SND)

    (polyphosphate-accumulating organisms, PAOs)

    (VFA)PAOs

    (ployP)

    (glycogen accumulating organisms,GAOs) PAOs

    PAOs GAOs polyP

    (Keller & Zeng, 2004)

    (Giardia)(Cryptosporidium)

    water blooms, toxin-producing bacteria, cyanobaceria

    (Rudi et al, 1997)

    16S~23SrRNA 29 DNA 9

    (EPA, 2003)

  • 6

    (PCR)18SrRNA5(genus-specific)

    (primer) PCR

    PCR DNA

    (EPA, 2003)

    SARS(How to head off the next SARS) (Anderson,

    2003) 1990 (Human genome project)2003

    (Human virome project)

    SARS

    SARS

    2003

    SARS

    Double Agar Layer

    (Brion et al, 2002)

    PCR Polymerase chain reaction

    DNA (denatural)

    (primer)DNA (anneling)DNA polymerase

    (extension) DNA polymerase

    DNA DNA

    DNADNA

  • 7

    PCR DNA polymerase

    PCR DNA

    primer anneling PCR

    PCR PCR

    DNA RNA RNA

    (reverse) RT-PCR(Reverse

    Transcription-Polymerase Chain Reaction)

    PCR (Quantitative competitive PCR)(Kim et al,

    2002)Quantitative competitive PCR

    (tube) PCR

    PCR 2

    (A)(Endogenous standards)

    housekeeping gene DNA RNA

    housekeeping

    gene (Endogenous standards)

    (B)(Externally added reference)

    DNA RNA

    primer

    (cycle zero)

    Real-time PCR QC-PCR

    Real-time PCR QC-RT-PCR (Kim et al,

    2002; Walsh et al, 2000; Snider et al, 2001)

  • 8

    2.

    (biosensors) CdCl2BaPs

    TCE

    (phenol) 3 - 4 l/ml(acetonitrile)

    25 50 l/mlEPA, 2003

    biosensor whole-cell biosensorDNA-binding assays (Sadik

    & Witt, 1999)

    3.

    (Extremophiles)(thermophiles and

    hyperthermophiles)(cold-loving microbes, psychrophiles)

    (http://www.sciam.com/ by Michael T. Madigan and Barry L.

    Marrs.)

    A. FISH CLSM

    (Wilderer et al, 2002)

    B. r-RNA

    (Witzig

    et al, 2002; Kim et al, 2002)

    C. r-RNA PCR-DGGEFISH

    (Kurisu, 2002; Noda et al, 2002)

    D. PCR

    (Orsini et al, 2002)

    (MGO)

    GEMs GEBs (American

    Chemical Society, 1999; Pieper & Reineke, 2000)

    biphenyl

    dioxygenases(BP Doxs)naphthalene doxsdioxin doxs in

    vitro DNA-shuffling (Furukawa, 2000; Koeller & Wong, 2001)Deinococcus

    radiodurans1956 Arthur W. Anderson

  • 9

    (ionizing radiation, desiccation, UV radiation, oxidizing agents, starvation electrophilic mutagens.) 1.5 million rads

    3000 DOE

    (Microbial Genome Program) 1999

    E. Coli

    Dradiodurances

    (White, 1999; Battista, 1999; Brim, 2000)

    4.

    (MNA)

    LNAPLs DNAPLs

    RT-PCR (Macdonald, 2000; Wilson et al, 1998)

    (bioremediation) Hg+2

    (Sayler & Ripp, 2000, Mejare & Bulow, 2001; Gadd, 2000)

    DNA

    mRNA RNA DNA

    RNA (promoter)

    mRNA

    Peter C.K Lau Victor De

    Lorenzo(Peter et al, 1999)

    A.(starvation signals)

    DNA mRNA

    B.(hybrid)

    C.

    5.

    DNA-chip, PCR, Genotoxic Effects (Blohm & Elie, 2001; Sarra, 1996)

  • 10

    200

    (SNP)

    (law enforcement)

    (infrastructure)(networking)

    (PMNPre-Manufacture

    Notice)GEMs (Sayler & Ripp, 2000)

    (Environmental Science & Technology, 1999)

    6.

    RNA

    16S rRNA

    T-RFLP

  • 11

    1.

    (Convergent New Technologies)

    NBIC(nano-bio-info-cogno)(EHS)

    (nanotoxicology)

    (ENPEngineered Nano Particle) (Mechanisms of Intake,

    Uptake)(Mechanisms of Cellular, Molecular Events)

    DNA

    (1)

    (2)

    (3)

    (newly generated nanoparticles)

    (ENP)

  • 12

    (1)

    (2)

    (3) (simple high-throughput screening

    methods)(in vivo)

    (regulation of cytokines and mediations, nucleus-signaling)

    (structural and functional modification of proteins)

    2.

    green chemistry

    RT-PCR

    cytotoxicity, muta+, cancerogenesis

    EN

  • 13

    (BDS)DNA-shuffling (Wackett

    & Bruce, 2000; Monticello, 2000)

    3.

    (phototrophic biofilm)

    CO2

    rRNA (molecular

    marker) PCR 16S RNA DGGE

    (Roeselers, et. al, 2004)

    (horizontal

    gene transfer, HGT) DNA 0~17%HGT

    (mobile genetic elements,

    MGEs)

    MGEs

    (plasmids, transposons, genomic islands,

    conjugative transposons, and integrative plasmids) (Top & Springael, 2004)

    DNA BTEX

    (MGEs)

    (Lipthay & Sprensen, 2004)

    1. 1953

    DNA 1990 (Human Genome

    Project)2002

    2.

    (1)

    36

  • 14

    (2)

    3000

    a.

    b.

    c.

    d.

    a 500

    (3)

    5000

    3.

    American Chemical Society. 1999. Bioengineered bacteria show promise in mercury

    removal. Aug. p.299. Anderson, N. Human Virome Project July 2003, The Journal of Emerging

    Infectious Diseases. The China PostAug.3, 2003

    Battista, J. R. et al. Why is Deinococcus radiodurans so resistant to ionizing radiation?,

  • 15

    Trends in microbiology 362, Vol 7. No. 9. 1999. Blohm, D. H. & Guiseppi-Elie, A. 2001. New development in microarray technology.

    Current Opnion in Biotechnology. Elsevier Science Ltd. P. 41-47. Brim, H. et al. Enginerrinf Deinococcus radiodurans for metal remediation in

    radioactive mixed waste environments, Nature Biotechnology, Vol. 18, Jan. 2000. Brion, G. M., Meschke, J.S., Sobsey, M. D., 2002. F-speci.c RNA coliphages:

    occurrence, types, and survival innatural waters. Water Res(36), 2419-2425. Braker et al. 1998. Development of PCR Primer System for Amplification of Nitrite

    Reductase Genes (nirK and nirS) To Detect Denitrifying Bacteria in Environmental Samples. Applied and Environmental Microbiology. American Society for Microbiology. Oct. p. 3769 3775.

    Environmental Science & Technology. 1999. Bt pollen Study Casts doubt on plant safety as EU halts approval of genetically modified corn. May. Aug. Oct. Dec.

    Environmental Science & Technology. 2000. Testing Hurdles. Nov. p. 473-476. Gadd, G. M. 2000. Bioremedial potential of microbial mechanisms of metal

    mobilization and immobilization. Current Opinion in Biotechnology. Elsevier Science Ltd. P. 271-279.

    Keller, J. & Zeng, R.J. 2004. Biological Nitrogen and Phosphorus Removal process of amazing diversity and complexity. Eruropean Symposium on Environmental Biotechnology, ESEB 2004. Taylor & Francis Group, London. P. 9 13.

    Kim, Y., Saad, M. G., Nancy, L. S., Tom, p. B. 2002. Comparison and verification of quantitative competitive reverse transcription polymerase chain reaction (QC-RT-PCR) and real time RT-PCR for avian leucosis virus subgroup J.J Virol.

    Kim, S.B., Goodfellow, M., Application of Oligonucleotide Probes for the Detection of Thiothrix Spp. in Activated Sludge Plants Treating Paper and Board Mill Waster, Water Science and Technology, 2002;46:559-564.

    Kim, S.B. et al. Application of oligonucleotide probes for the detection of Thiothrix spp. in activated sludge plants treating paper and board mill wastes, Water Science and Technology, Vol 46 No. 1-2, pp559-564, 2002.

    Koeller, M. K. & Wong C.H. 2001. Enzymes for Chemical Synthesis. Nature. Vol. 409.

    Kurukawa, K. 2000. Engineering dioxygenases for efficient degradation of environmental pollutants. Current Opinion in Biotechnology. Elsevier Science Ltd. P. 244-249.

    Kreyling, W. G. et al. Health Implication of Nanoparticles, Proceedings of International Symposium on Environment Nanotechnology, Tapei, 2004.

    Macdonald, J. A. 2000. Evaluating Nature Attenuation for Groundwater Cleanup. Environmental Science & Technology. American Chemical Society. Aug. P. 346-353.

    Mejare, M. M. & Bulow, L. 2001. Metal-binding Proteins and peptides in Bioremediation and phytoremediation of heavy metals. Trends in Biotechnology. Vol. 19.

    Monticello, D. J. 2000. Biodesulfurization and the upgrading of petroleum distillates. Current Opinion in Biotechnology. Elsevier Science Ltd. P. 540-546.

  • 16

    Noda, N. et al. PCR-DGGE analysis of denitrifying bacteria in a metallurgic wastewater treatment process, Water Science and Technology, Vol 46 No.1-2, pp333-336,2002.

    Oberdorster, G. Nanotoxicology: An Emerging Discipline, Proceedings of International Symposium on Environmental Technology, Tapei, 2004.

    Orsini, M., Laurenti, P., Boninti, D., A Molecular Typing Approach for Evaluating Bioaerosol Exposure in Wastewater Treatment Plant Workers, Water Research, 2002; 36:1375-1378.

    Peter C.K. Lau and victor De Lorengo, 1999. Genetic Engineering: The frontier of Bioremediation. EST.

    Pieper, D. H. & Reineke, W. 2000. Engineering bacteria for bioremediation. Current Opinion in Biotechnology. Elsevier Science Ltd. P.262-270.

    Roco, M. C. Converging Technology and Their Societal Implications, Proceedings of International Symposium on Environmental Technology, Tapei, 2004.

    Rudi et al. 1997. Detection of Toxin-Producing Cyanobacteria by use of Paramagnetic Beads for Cell Concentration and DNA Purification. Applied and Environmental Microbiology. American Society for Microbiology. Jan. 1998. p. 34-37.

    Sadik, O.A. & Witt, D.M. 1999. Monitoring Endocrine-Disrupting Chemicals. Environmental Science & Technology. Sept. p. 368-374.

    Sayler, G. S. & Ripp, S. 2000. Field Applications of Genetically Engineered Microorganisms for Bioremediation Processes. Current Opinion in Biotechnology. Elsevier Ltd. P. 286-289.

    Savva, D. Use of DNA Fingerprinting to Detect Genotoxic Effects. Ecotoxicology and Environmental Safety. Academic Press. P. 103-106.

    Snider, J., V., Mark, A. W., Izidore, S. L., 2001. Human disease characterization: real-time quantitative PCR and analysis of gene expression. DDT Vol.6, No.20, 1062-1067.

    Wackett, L. P. & Bruce, N. C. 2000. Environmental Biotechnology Towards Sustainability. Current Opinion in Biotechnology. Elsevier Science Ltd. P. 229-231.

    Walsh, K., North, J., Barker, I., Boonham, N., 2000. Detection of different strains o Potato virus Y and their mixed infections using competitive fluorescent RT-PCR. J. Virol. Methods 91, 167-173.

    White, C. et al. Genome Sequence of the Radioresistant Bacterium Deinococcus radiodurans R1, Science, Vol. 286, 19 Nov. 1999.

    Wilderer, P. A., Bungartz, H.J., Lemmer h., Modern Scientific Method and Their Potential in Wastewater Science and Technology, Water Research, 2002; 36:370-393.

    Witzig, R., Manz, W., Rosenberger, S., Micobiological Aspects of a Bioreactor with Submerged Membranes for Aerobic Treatment of Municipal Wastewater, Water Research, 2002;36:394-402.

    91-EPA-NSC-01-B003.