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    • 1. 发明公开
    • SINGLE MOLECULE NUCLEIC ACID SEQUENCE ANALYSIS PROCESSES AND COMPOSITIONS
    • EP3360972A1
    • 2018-08-15
    • EP18158658.7
    • 2009-01-15
    • Sequenom, Inc.
    • CANTOR, Charles R.
    • C12Q1/68
    • C12Q1/6876C12Q1/6806C12Q1/6837C12Q1/6844C12Q2565/537C12Q2565/519C12Q2565/501C12Q2531/101C12Q2525/161C12Q2525/155
    • The present invention relates to a method for preparing sample nucleic acid complements, which comprises: a. preparing a mixture comprising sample nucleic acid and a collection of solid supports under conditions in which a single molecule of the sample nucleic acid hybridizes to a nucleic acid molecule on a solid support in the collection, wherein: the nucleic acid molecules on each solid support in the collection comprise a single-stranded solid phase nucleic acid species including a primer sequence, an identifier sequence and a probe sequence orientated 5' - (primer sequence) - (identifier sequence) - (probe sequence) - 3'; the probe sequence of each solid phase nucleic acid species on a solid support in the collection hybridizes to a subsequence of the sample nucleic acid sequence when the probe sequence is complementary to a nucleotide subsequence in the sample nucleic acid sequence; the solid phase nucleic acid species of each solid support in the collection share a common probe sequence or the solid phase nucleic acid species do not share a common probe sequence with other solid phase nucleic acid species on the solid support; the solid phase nucleic acid species on each solid support in the collection share a common identifier sequence; and the sample nucleic acid is single-stranded nucleic acid; and b. contacting the mixture with extension reagents under conditions in which solid phase nucleic acid species hybridized to sample nucleic acid is extended by the reagents; whereby sample nucleic acid complements comprising the shared, unique identifier sequence of a solid support in the collection and comprising subsequences of the sample nucleic acid sequence are prepared.
    • 6. 发明公开
    • Method for discriminating between nucleotide sequences of nucleic acids
    • Verfahren zur Diskriminierung zwischen Nukleotidsequenzen vonNukleinsäuren
    • EP2128271A1
    • 2009-12-02
    • EP09161227.5
    • 2009-05-27
    • Fujifilm Corporation
    • Miyoshi, HayatoIwaki, YoshihideMori, Toshihiro
    • C12Q1/68
    • C12Q1/6844C12Q1/6858C12Q2531/119C12Q2531/101
    • It is an object of the present invention to provide a method for discriminating between nucleic acid sequences with high accuracy by utilizing a method for specifically amplifying nucleic acid sequences under isothermal conditions. The present invention provides a method for discriminating between the nucleotide sequence of a first nucleic acid and the nucleotide sequence of a second nucleic acid by a nucleic acid amplification method that is performed under substantially isothermal conditions, wherein (1) at least one type of oligonucleotide (hereinafter "primer") substantially complementary to the first nucleic acid, and (2) at least one type of oligonucleic acid (hereinafter "mask oligo") that is designed such that it hybridizes to the nucleotide sequence portions of the first nucleic acid and the second nucleic acid to be discriminated, such that it is more complementary to the second nucleic acid than to the first nucleic acid, and such that it does not become an origin of an elongation reaction with polymerase, are used, the method being characterized in that a portion of the primer and a portion of the mask oligo hybridize to the same regions on the first nucleic acid and the second nucleic acid.
    • 本发明的目的是提供一种通过利用在等温条件下特异性扩增核酸序列的方法来高精度地区分核酸序列的方法。 本发明提供了通过在基本上等温条件下进行的核酸扩增方法来区分第一核酸的核苷酸序列和第二核酸的核苷酸序列的方法,其中(1)至少一种类型的寡核苷酸 (以下称为“引物”),和(2)至少一种类型的低聚核酸(以下称为“掩模寡核苷酸”),其被设计为与第一核酸的核苷酸序列部分杂交, 要被鉴别的第二核酸,使得其比第一核酸与第二核酸更互补,并且使其不成为与聚合酶的延伸反应的起点,所述方法的特征在于 引物的一部分和掩模寡核苷酸的一部分与第一核酸和第二核酸上的相同区域杂交。