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    • 4. 发明公开
    • NOVEL GENE TARGETING METHOD
    • 新型基因靶向方法
    • EP3290518A1
    • 2018-03-07
    • EP16785983.4
    • 2016-04-29
    • Hangzhou Genekine Biotech Co., Ltd
    • JIANG, YouweiLI, Yunfei
    • C12N15/11C12N1/16C12P21/00
    • C12N15/905C12N1/16C12N9/1241C12N15/11C12N15/902C12N2800/30C12P21/00C12N15/102C12Q2521/507
    • Provided are a novel two-step gene targeting method and a nucleotide construct for gene targeting. The method can improve the gene targeting efficiency and accurately identify a target gene knock-out mutant. The method of the present invention comprises: firstly, efficiently replacing a target gene in a genome with a targeting box by homologous recombination, the targeting box consisting of a target gene activity variant, a marker gene and site-specific recombination sites; and secondly, resecting the targeting box by recombinase, leaving a site-specific recombination site on the target gene to generate a target gene knock-out mutant, and removing a recombinase expression vector from the knock-out mutant by using a counter selection marker in the recombinase expression vector.
    • 提供了一种新的两步基因靶向方法和用于基因靶向的核苷酸构建体。 该方法可以提高基因靶向效率并准确鉴定靶基因敲除突变体。 本发明的方法包括:首先通过同源重组,有效置换基因组中的靶基因,所述靶向盒由靶基因活性变异体,标记基因和位点特异性重组位点组成; 其次,通过重组酶切除靶向盒,在靶基因上留下位点特异性重组位点以产生靶基因敲除突变体,并通过使用中的计数选择标记从敲除突变体中去除重组酶表达载体 重组酶表达载体。
    • 9. 发明公开
    • NUCLEIC ACID AMPLIFICATION
    • 核酸扩增
    • EP3095879A1
    • 2016-11-23
    • EP16177421.1
    • 2013-03-15
    • Life Technologies Corporation
    • LI, Chieh-YuanRUFF, DavidCHEN, Shiaw-MinO'NEIL, JenniferKASINSKAS, RachelROTHBERG, Jonathan
    • C12Q1/68
    • C12Q1/6806C12Q2521/507C12Q2527/101C12Q2527/153C12Q2535/122C12Q2563/155C12Q2563/159C12Q2565/537C12Q2565/607
    • In some embodiments, the present teachings provide methods for nucleic acid amplification, comprising forming an reaction mixture, and subjecting the reaction mixture to conditions suitable for nucleic acid amplification. In some embodiments, methods for nucleic acid amplification include subjecting the nucleic acid to be amplified to partially denaturing conditions. In some embodiments, methods for nucleic acid amplification include amplifying without fully denaturing the nucleic acid that is amplified. In some embodiments, the methods for nucleic acid amplification employ an enzyme that catalyzes homologous recombination and a polymerase. In some embodiments, methods for nucleic acid amplification can be conducted in a single reaction vessel. In some embodiments, methods for nucleic acid amplification can be conducted in a single continuous liquid phase of an reaction mixture, without need for compartmentalization of the reaction mixture or immobilization of reaction components. In some embodiments, methods for nucleic acid amplification comprise a amplifying at least one polynucleotide onto a surface under isothermal amplification conditions, optionally in the presence of a polymer. The polymer can include a sieving agent and/or a diffusion-reducing agent.
    • 在一些实施方案中,本教导提供了用于核酸扩增的方法,包括形成反应混合物,并使反应混合物经受适于核酸扩增的条件。 在一些实施方案中,用于核酸扩增的方法包括使待扩增的核酸经历部分变性条件。 在一些实施方案中,用于核酸扩增的方法包括扩增而不完全变性扩增的核酸。 在一些实施方案中,用于核酸扩增的方法使用催化同源重组和聚合酶的酶。 在一些实施方案中,用于核酸扩增的方法可以在单个反应容器中进行。 在一些实施方案中,用于核酸扩增的方法可以在反应混合物的单一连续液相中进行,而不需要反应混合物的区室化或反应组分的固定化。 在一些实施方案中,用于核酸扩增的方法包括在等温扩增条件下任选地在聚合物存在下将至少一种多核苷酸扩增到表面上。 聚合物可以包含筛分剂和/或扩散减少剂。