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    • 3. 发明申请
    • ISOLATING NUCLEIC ACID
    • 分离核酸
    • WO2003091452A1
    • 2003-11-06
    • PCT/IB2003/001553
    • 2003-04-22
    • QIAGEN ASDEGGERDAL, ArneSKAGESTAD, Vidar
    • DEGGERDAL, ArneSKAGESTAD, Vidar
    • C12Q1/68
    • C12N15/1013C12Q1/6806C12Q2563/143C12Q2527/125
    • A process for isolating nucleic acid from a nucleic acid- containing biological sample, which comprises: (a) providing magnetic particles capable of binding nucleic acid; (b) contacting the sample with the magnetic particles so as to bind the nucleic acid thereto; (c) forming an aggregate of the magnetic particles by the application of a magnetic field, which aggregate comprises magnetic particles with the nucleic acid bound thereto and contaminants from the biological sample; (d) contacting the aggregate with a washing solution to disperse the aggregate and release the contaminants therefrom; and (e) separating therefrom the magnetic particles with the nucleic acid bound thereto; wherein the aggregate is formed in the presence of an amount of a water-miscible lower alcohol sufficient to facilitate dispersion of the aggregate and release of the contaminants therefrom when washed in step (d), with the proviso that, when the magnetic particles are silica-based magnetic glass particles provided with the water-miscible lower alcohol, the water-miscible lower alcohol is part of an aqueous mixture which further comprises a salt.
    • 一种用于从含核酸的生物样品中分离核酸的方法,其包括:(a)提供能够结合核酸的磁性颗粒; (b)使样品与磁性颗粒接触以使核酸与其结合; (c)通过施加磁场形成磁性颗粒的聚集体,该聚集体包含与其结合的核酸的磁性颗粒和来自生物样品的污染物; (d)使聚集体与洗涤溶液接触以分散聚集体并从其中释放污染物; 和(e)与其结合的核酸与其分离; 其中所述聚集体在一定量的水混溶性低级醇存在下形成,所述量可以在步骤(d)中洗涤时足以促进聚集体的分散和其中的污染物的释放,条件是当磁性颗粒是二氧化硅 提供有水混溶性低级醇的基于水的磁性玻璃颗粒,水混溶性低级醇是进一步包含盐的含水混合物的一部分。
    • 6. 发明申请
    • NUCLEIC ACID SEQUENCING
    • 核酸序列
    • WO2005093101A1
    • 2005-10-06
    • PCT/IB2005/000771
    • 2005-03-24
    • QIAGEN ASLARSEN, Frank
    • LARSEN, Frank
    • C12Q1/68
    • C12Q1/6858C12Q1/6813C12Q1/6869C12Q2565/301C12Q2535/125C12Q2525/186
    • A method for determining a target nucleic acid sequence, wherein the target nucleic acid sequence is comprised in a preparation comprising a non-target nucleic acid sequence, the target nucleic acid sequence and the non-target nucleic acid sequence each having a first region of common sequence upstream of a first region of dissimilar sequence upstream of a second region of dissimilar sequence, the method comprising: (a) contacting the preparation with a blocking oligonucleotide complementary to at least a portion of the first region of dissimilar sequence of the non-target nucleic acid sequence, under conditions to hybridise the blocking oligonucleotide thereto; (b) contacting the preparation with a sequencing primer complementary to at least a portion of the first region of common sequence, under conditions to hybridise the primer to the target nucleic acid sequence; and (c) subjecting the preparation to a sequencing reaction, such that the sequencing reaction proceeds into the second region of dissimilar sequence of the target nucleic acid sequence, thereby determining at least the second region of dissimilar sequence of the target nucleic acid sequence; and wherein the blocking oligonucleotide blocks the sequencing reaction at least from proceeding into the second region of dissimilar sequence of the non-target nucleic acid sequence.
    • 一种确定靶核酸序列的方法,其中所述靶核酸序列包含在包含非靶核酸序列,所述靶核酸序列和所述非靶核酸序列的制备中,所述靶核酸序列各自具有第一共同区域 在不同序列的第二区域上游的不同序列的第一区域的上游的序列,所述方法包括:(a)使所述制剂与所述非靶标的不同序列的第一区域的至少一部分互补的阻断寡核苷酸 在将所述封闭寡核苷酸杂交的条件下, (b)在将引物与目标核酸序列杂交的条件下,使制备物与在共有序列的第一区域的至少一部分互补的测序引物接触; 和(c)对所述制剂进行测序反应,使得所述测序反应进行到所述靶核酸序列的不同序列的第二区域,从而至少确定所述靶核酸序列的不同序列的第二区域; 并且其中所述阻断寡核苷酸至少阻止所述测序反应进入所述非靶核酸序列的不同序列的第二区域。
    • 7. 发明申请
    • NUCLEIC ACID SEQUENCING
    • 核酸序列
    • WO2005093099A1
    • 2005-10-06
    • PCT/IB2005/000761
    • 2005-03-24
    • QIAGEN ASLARSEN, Frank
    • LARSEN, Frank
    • C12Q1/68
    • C12Q1/6858C12Q1/6827C12Q1/6869C12Q2535/125C12Q2565/301
    • A method for determining a target nucleic acid sequence, wherein the target nucleic acid sequence is comprised in a preparation comprising a non-target nucleic acid sequence, the target nucleic acid sequence and the non-target nucleic acid sequence each having a first region of common sequence upstream of a first region of dissimilar sequence upstream of a second region of dissimilar sequence, the method comprising: (a) contacting the preparation with an oligonucleotide primer complementary to at least a portion of the first region of common sequence, under conditions to hybridise the primer thereto; and (b) subjecting the preparation to a sequencing reaction, such that the sequencing reaction proceeds into the second region of dissimilar sequence of the target nucleic acid sequence, thereby determining at least the second region of dissimilar sequence -of the target-nucleic acid- sequence; and wherein the method further comprises a step of blocking the sequencing reaction between the primer and the non-target nucleic acid sequence, such that the sequencing reaction does not proceed into the second region of dissimilar sequence of the non­target nucleic acid sequence.
    • 一种确定靶核酸序列的方法,其中所述靶核酸序列包含在包含非靶核酸序列,所述靶核酸序列和所述非靶核酸序列的制备中,所述靶核酸序列各自具有第一共同区域 在不同序列的第二区域上游的不同序列的第一区域上游的序列,所述方法包括:(a)使所述制剂与在共有序列的第一区域的至少一部分互补的寡核苷酸引物在杂交条件下接触 引物; 和(b)使制备物进行测序反应,使得测序反应进入目标核酸序列的不同序列的第二区域,由此至少确定靶核酸序列的不同序列的第二区域, 序列; 并且其中所述方法还包括阻断引物和非靶核酸序列之间的测序反应的步骤,使得测序反应不进入非目标核酸序列的不同序列的第二区域。
    • 9. 发明申请
    • NUCLEIC ACID SEQUENCING
    • 核酸序列
    • US20110257018A1
    • 2011-10-20
    • US13101740
    • 2011-05-05
    • FRANK LARSEN
    • FRANK LARSEN
    • C40B20/00C12Q1/68
    • C12Q1/6869C12Q2565/301C12Q2537/163
    • A method for determining a target nucleic acid sequence is disclosed, wherein a preparation having a first region of common sequence upstream of a first region of dissimilar sequence upstream of a second region of dissimilar sequence, is contacted with a blocking oligonucleotide complementary to at least a portion of the first region of dissimilar sequence of the non-target nucleic acid sequence, under conditions to hybridise the blocking oligonucleotide thereto and hybridized to the target nucleic acid sequence; and then sequenced, such that the sequencing reaction proceeds into the second region of dissimilar sequence of the target nucleic acid sequence, whereby at least the second region of dissimilar sequence of the target nucleic acid sequence is determined; and wherein the sequencing reaction is blocked at least from proceeding into the second region of dissimilar sequence of the non-target nucleic acid sequence.
    • 公开了一种用于确定靶核酸序列的方法,其中将具有在不相似序列的第二区域上游的不同序列的第一区域的上游的共同序列的第一区域的制剂与至少一个 在与所述靶核酸序列杂交的条件下,将所述非靶核酸序列的第一区域的不相似序列的部分杂交; 然后进行测序,使得测序反应进入目标核酸序列的不同序列的第二区域,由此确定靶核酸序列的至少第二区域的不同序列; 并且其中所述测序反应至少阻止进入所述非靶核酸序列的不同序列的第二区域。