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KMID : 1094720200250060974
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Biotechnology and Bioprocess Engineering
2020 Volume.25 No. 6 p.974 ~ p.984
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Genetic Biocontainment Systems for the Safe Use of Engineered Microorganisms
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Kim Dong-Hyeon
Lee Jeong-Wook
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Abstract
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Recent advances in genetic engineering and synthetic biology have enabled a variety of genetically modified microorganisms (GMOs) designed for open environmental applications. The use of GMOs in these applications, however, raised concerns about the spread of artificial biological matters into the natural environment. To address the issue, genetic biocontainment system has emerged as a way to prevent unauthorized propagation of GMOs and genetic materials into the ecosystem. In this review, we introduce biocontainment systems that control the proliferation of microorganisms and the release of genetic materials, focusing primarily on genetic means to eliminate cells and DNA. We outline each biocontainment system with representative examples, highlighting its advantages and disadvantages. We also discuss future challenges that genetic biocontainment systems should overcome for practical uses.
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KEYWORD
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synthetic biology, biocontainment, genetically modified organism, auxotrophy, xenobiology
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