首页> 外国专利> METHOD OF AMPLIFYING MRNAS AND FOR PREPARING FULL LENGTH MRNA LIBRARIES

METHOD OF AMPLIFYING MRNAS AND FOR PREPARING FULL LENGTH MRNA LIBRARIES

机译:扩增mRNA的方法和制备全长mRNA文库

摘要

The inventive method for amplifying at least one RNA which is contained in a sample includes reverse transcribing the at least one RNA using a first primer, adding a dideoxy nucleotide which is modified in the 3'-position with a first partner of a pair of azide and alkyne molecules by action of a template-independent polymerase to attach a single 3'-azide- or 3'-alkyne-modified dideoxy nucleotide at the 3'-end of the obtained cDNA, adding an adapter molecule which comprises a polynucleotide sequence and at its 5'-end a second partner of such pair of azide and alkyne molecules and ligating the adapter to the 3'-modified cDNA under formation of a triazole linkage, adding a second primer which is complementary to at least a part of the adapter molecule and which contains at its 3'-end a nucleotide which is complementary to the dideoxy nucleotide at the 3'-end of the cDNA to effect hybridization and binding of the second primer overlapping the triazole linkage, adding a third primer and amplifying the full length cDNA.;Uses of such method especially for preparing a full length RNA library and for sequencing of a plurality of RNAs contained in a sample, as well as reagent kits for perfoming such methods are also disclosed and included in the invention..
机译:用于扩增包含在样品中的至少一个RNA的本发明方法包括使用第一引物反转至少一个RNA,加入在3'-位置中改性的二氧化核苷酸,其具有一对叠氮化物的第一伴侣通过模板无关的聚合酶的作用和炔烃分子在所获得的cDNA的3'-末端附着单个3'-叠氮化物或3'-醇酸或3'-alkyne改性的二氧化酯,加入包含多核苷酸序列的衔接子分子和在其5'-结束这种对叠氮化物和炔烃分子的第二伴侣,并在形成三唑键的形成下将适配器连接到3'-改性的cDNA,加入第二引物,其与至少一部分互补分子并在其3'-末端含有核苷酸,该核苷酸与CDNA的3'-末端互补的核苷酸,以杂交和结合重叠三唑键的第二引物,加入第三底漆和AM施加全长cDNA。;这种方法的用途,特别是用于制备全长RNA文库和用于样品中含有的多个RNA的测序,以及用于流产这些方法的试剂试剂盒也包括在本发明中。 。

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