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    • 62. 发明授权
    • Methods for amplification of nucleic acids on solid support
    • US10174352B2
    • 2019-01-08
    • US14773362
    • 2014-03-14
    • Lyle J. ArnoldNorman C. Nelson
    • Lyle J. ArnoldNorman C. Nelson
    • C12Q1/68C12P19/34C12Q1/6853C12Q1/6865C07H21/02
    • The present invention provides methods for amplifying a nucleic acid from a sample containing a mixture of nucleic acids utilizing a solid support. Methods are provided utilizing user-defined primer oligonucleotides for directional amplification that assists in further manipulation of the target nucleic acid, such as sequencing. Methods are also provided utilizing blocker and displacer oligonucleotides for generating amplified target nucleic acids of defined length. One of these methods provides a first oligonucleotide and a second oligonucleotide affixed to a solid support or separate solid supports. The first oligonucleotide is blocked to prevent extension from the 3′-terminus and has a sequence complementary to a first portion of a target nucleic acid. The second oligonucleotide has a sequence that is identical to a second portion of the target nucleic acid. In this method, a sample is applied to the solid support and the target nucleic acid within the sample binds said first oligonucleotide. The solid support is then washed to remove unbound nucleic acids. A primer sequence containing a target binding region and a polymerase promoter sequence is then annealed to the bound target nucleic acid and extended producing a first duplex nucleic acid. The target sequence is then removed leaving a first nucleic acid that can now bind the second oligonucleotide. The second oligonucleotide is extended to produce a second duplex nucleic acid that contains a second nucleic acid. The second nucleic acid is then amplified by adding a polymerase.
    • 65. 发明申请
    • Methods for Amplification of Nucleic Acids Utilizing Clamp Oligonucleotides
    • 使用钳夹寡核苷酸扩增核酸的方法
    • US20160130623A1
    • 2016-05-12
    • US14773365
    • 2014-03-14
    • Lyle J. ARNOLDNorman C. NELSON
    • Lyle J. Arnold
    • C12P19/34
    • C12P19/34C12Q1/6844C12Q2521/501C12Q2525/307C12Q2549/126
    • The present invention provides methods of amplifying a target nucleic acid utilizing a clamp oligonucleotide comprising a first target-binding region on the 3′-terminus and a second target-binding region on the 5′-terminus and tether region in between. The tether region may comprise a variety of user-defined sequences or elements that allow for further manipulation of the target nucleic acid. Such as, for example, capture followed by amplification, identification and/or sequencing. The target-binding regions bind to the target nucleic acid, the 3′-terminus functions as a primer to initiate extension across the target nucleic acid sequence and ligation of the gap results in formation of a circularized nucleic acid. This circular template can be used in a variety of processes, including amplification and sequencing.
    • 本发明提供了使用包含3'末端的第一靶结合区和5'末端之间的第二靶结合区和其间的系链区的钳位寡核苷酸来扩增靶核酸的方法。 系链区域可以包含允许进一步操纵靶核酸的各种用户定义的序列或元件。 例如,进行捕获,随后进行扩增,鉴定和/或测序。 靶结合区域与靶核酸结合,3'-末端用作引物以引发靶核酸序列的延伸,并且间隙的连接导致形成环化的核酸。 该圆形模板可用于各种过程,包括扩增和测序。