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    • 51. 发明授权
    • Method for screening and quantifying isoprene biosynthesis enzyme activity
    • 筛选和定量异戊二烯生物合成酶活性的方法
    • US09175330B2
    • 2015-11-03
    • US13771952
    • 2013-02-20
    • Korea Research Institute of Bioscience and Biotechnology
    • Seung-Goo LeeSeo Hyeon KimJongsik GamEugene RhaHaseong KimSu-Lim ChoiEuiSung Choi
    • C12Q1/02C12Q1/25C40B30/08C12Q1/68C12N15/10
    • C12Q1/25C12N15/1086C12Q1/02C12Q1/68C12Q1/6897C40B30/08
    • A method of performing high-throughput screening of various enzymatic activities with high sensitivity using artificial genetic circuits is provided. Particularly, the invention is screening and quantifying the activity of isoprene biosynthesis enzymes using an artificial genetic circuit capable of sensing isoprene. The artificial genetic circuit comprises an isoprene-sensing transcriptional regulator which recognizes isoprene, at least one reporter gene, a isoprene-sensing transcriptional regulator binding region and promoters for genes encoding isoprene-sensing transcriptional regulators and reporter proteins.The artificial genetic circuit detects isoprene liberated from many enzymatic reactions and measures the activity of reporter genes. This system is widely applicable for high throughput and quantitative screening of isoprene biosynthesis enzymes and MEP/MVA pathway enzymes.Therefore, the invention can be advantageously used in the protein engineering technology for enzyme modification. Particularly, it can provide a quantitative investigation of enzymatic activity, and thus can be applied to molecular evolution technology.
    • 提供了使用人造遗传电路以高灵敏度进行各种酶活性的高通量筛选的方法。 特别地,本发明使用能够感测异戊二烯的人造遗传电路来筛选和定量异戊二烯生物合成酶的活性。 人造遗传电路包括识别异戊二烯的异戊二烯感测转录调节子,至少一个报告基因,异戊二烯感测转录调节子结合区和编码异戊二烯感测转录调节子和报道蛋白的基因的启动子。 人工遗传回路检测许多酶反应释放的异戊二烯,并测量报告基因的活性。 该系统广泛应用于异戊二烯生物合成酶和MEP / MVA途径酶的高通量和定量筛选。 因此,本发明可有利地用于酶修饰的蛋白质工程技术中。 特别是可以提供酶活性的定量研究,因此可以应用于分子进化技术。
    • 58. 发明授权
    • Electrical patterns for biosensor and method of making
    • 生物传感器的电气图案和制作方法
    • US08603308B2
    • 2013-12-10
    • US12770507
    • 2010-04-29
    • Raghbir Singh BhullarMike CelenatanoSaid K. El-Rahaiby
    • Raghbir Singh BhullarMike CelenatanoSaid K. El-Rahaiby
    • G01N27/327C12Q1/25H05K3/00
    • G01N27/3277G01N27/3272G01N33/5438
    • The present invention provides an inventive biosensor that includes multiple regions in which the electrical pattern is formed from different electrically conductive materials. The present invention also provides an inventive method for mass producing biosensors as just described. In one embodiment of this method, first and second different electrically conductive materials are deposited side by side on a portion of an electrically insulating base material, and a plurality of electrical patterns is formed on the portion of the base material. Each electrical pattern includes a first region formed from the first electrically conductive material electrically connected to a second region formed from the second electrically conductive material. The electrically conductive materials can be deposited as layers on the base material and portions of the layers can be removed to form the electrical patterns, or, the electrical patterns can be formed by transferring the conductive material in the shape of the electrical pattern directly to the base material, such as by a laser direct transfer technique.
    • 本发明提供了本发明的生物传感器,其包括多个区域,其中电图案由不同的导电材料形成。 本发明还提供了如上所述的用于批量生产生物传感器的发明方法。 在该方法的一个实施例中,第一和第二不同的导电材料并排地沉积在电绝缘基材的一部分上,并且在基材的部分上形成多个电图案。 每个电图案包括由第一导电材料形成的第一区域,电连接到由第二导电材料形成的第二区域。 导电材料可以作为层沉积在基底材料上,并且可以去除这些层的部分以形成电图案,或者可以通过将电图案形状的导电材料直接转移到 基材,例如通过激光直接转印技术。
    • 59. 发明申请
    • RATIONAL ENZYME MINING
    • 合理的采食
    • US20130280731A1
    • 2013-10-24
    • US13989513
    • 2011-11-29
    • Martin KarlssonBengt-Harald JonssonUno Carlsson
    • Martin KarlssonBengt-Harald JonssonUno Carlsson
    • C12Q1/25
    • C12Q1/25C12N1/36C12Q1/02
    • A method for rational mining for induced enzymes in microbial communities is described. The method is characterized in that a community of microorganisms is provided and that the microbial populations of the community are cultivated in a container under conditions of choice, where the microorganisms are given a defined culturing medium, to eliminate matter deriving from the natural habitat and to allow the microbial community to reach a metabolic steady-state. The method is further characterized in that at least one fraction of microorganisms is taken from the container and transferred into at least two separate containers, where at least one of the fractions of microorganisms is provided with a defined medium which includes an inducing substance and/or a substance against which enzyme/enzymes is/are desired, to induce regulation of expression of the desired enzyme/enzymes, and at least one fraction is provided with a defined medium without said inducing substance and without said substance against which enzyme/enzymes is/are desired, for the purpose of comparison, and the fractions are maintained and/or cultivated. Samples of the two fractions are then withdrawn and analyzed for identification of the induced enzyme/enzymes.
    • 描述了微生物群落中诱导酶合理开采的方法。 该方法的特征在于提供微生物群落,并且在选择的条件下将容器中的微生物种群培养在容器中,其中微生物被赋予限定的培养基,以消除源于自然栖息地的物质,并且 使微生物群落达到代谢稳态。 该方法的特征还在于至少一部分微生物从容器中取出并转移到至少两个分开的容器中,其中至少一个微生物部分具有限定的培养基,其包括诱导物质和/或 提供酶/酶所需的物质以诱导所需酶/酶的表达的调节,并且至少一个级分具有没有所述诱导物质的限定的培养基,并且没有所述酶/酶是/ 为了比较的目的,并且维持和/或培养级分。 然后取出两个级分的样品并分析以鉴定诱导的酶/酶。