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    • 2. 发明申请
    • NEW SEQUENCING METHOD FOR SEQUENCING RNA MOLECULES
    • 用于测序RNA分子的新的测序方法
    • WO2004029294A1
    • 2004-04-08
    • PCT/SE2003/001499
    • 2003-09-26
    • BIOTAGETOOKE, Nigel
    • TOOKE, Nigel
    • C12Q1/68
    • C12Q1/6869C12Q2521/113C12Q2565/301
    • The present invention provides a method for determination of the identity of at least one nucleotide in a RNA-molecule comprising the steps of: (i) providing the RNA-molecule, an oligonucleotide primer binding to a predetermined position of the RNA molecule, a reverse transcriptase, deoxynucleotides and other necessary reagents, in a reaction vessel; (ii) performing a primer extension reaction, whereby the oligonucleotide primer is extended on the RNA-molecule through incorporation of at least one deoxynucleotide by the action of a reverse transcriptase, resulting in the release of a PPi molecule only upon incorporation of a deoxynucleotide; and (iii) detecting the presence or absence of incorporation, thereby indicating the nucleotide identity of the RNA molecule in the relevant position. In a preferred embodiment, the sequencing of the invention is coupled to the Pyrosequencing TM reaction. A variant of the method employs incorporation of modified nucleotides, with an optionally cleavable linker arm to which is attached a label.
    • 本发明提供了确定RNA分子中至少一个核苷酸的同一性的方法,包括以下步骤:(i)提供RNA分子,与RNA分子的预定位置结合的寡核苷酸引物,反向 转录酶,脱氧核苷酸和其他必需的试剂; (ii)进行引物延伸反应,由此通过逆转录酶的作用通过引入至少一种脱氧核苷酸,在RNA分子上延伸寡核苷酸引物,仅在掺入脱氧核苷酸时导致PPi分子的释放; 和(iii)检测掺入的存在或不存在,从而表明RNA分子在相关位置的核苷酸同一性。 在优选的实施方案中,将本发明的测序与焦磷酸测序反应相结合。 该方法的变体使用修饰的核苷酸的掺入,以及连接有标记的任选可切割的连接臂。
    • 3. 发明申请
    • NEW METHOD
    • 新方法
    • WO2003085135A1
    • 2003-10-16
    • PCT/SE2003/000547
    • 2003-04-04
    • PYROSEQUENCING ABOLSSON, CharlottaTOOKE, Nigel
    • OLSSON, CharlottaTOOKE, Nigel
    • C12Q1/68
    • C12Q1/6869C12Q2563/107C12Q2527/137C12Q2523/107C12Q2533/101C12Q2523/119
    • The present invention relates to a method for determining the sequence of a nucleic acid molecule comprising the steps of: a) providing a single-stranded form of said nucleic acid molecule; b) hybridizing a primer to said single stranded form of said nucleic acid molecule to form a template/primer complex; c) enzymatically extending the primer by the addition of a polymerase and a mixture of at least one nucleotide and at least one labeled derivative of the at least one nucleotide, wherein the at least one labeled derivative of the at least one nucleotide comprises a label linked to the nucleotide via a cleavable link and wherein the amount of labeled derivative of the at least one nucleotide in said mixture of the at least one nucleotide and the labeled derivative of the at least one nucleotide is within the range of 1-50 mole-%, 1-40 mole-%, 1-30 mole-%, or 1-20 mole-%. d) determining the type of nucleotide added to the primer; and e) repeating steps c) to d) at least once.
    • 本发明涉及确定核酸分子序列的方法,包括以下步骤:a)提供所述核酸分子的单链形式; b)将引物与所述单链形式的所述核酸分子杂交以形成模板/引物复合物; c)通过加入聚合酶和所述至少一个核苷酸的至少一个核苷酸和至少一个标记的衍生物的混合物酶促延伸引物,其中至少一个核苷酸的至少一个标记的衍生物包含连接的标记 通过可切割链接与核苷酸反应,并且其中所述至少一个核苷酸和至少一个核苷酸的标记衍生物的所述混合物中的至少一个核苷酸的标记衍生物的量在1-50摩尔% ,1-40摩尔%,1-30摩尔%,或1-20摩尔%。 d)确定添加到引物中的核苷酸类型; 和e)重复步骤c)至d)至少一次。