摘要:
A DNA synthesis method with a shortened time period required for DNA synthesis by polymerase chain reaction (PCR), characterized in that a DNA polymerase is used in an amount effective for providing more than 10 ng of amplified DNA fragments of about 2 kb per 50 µl of a reaction mixture, when PCR is carried out under the following conditions (A) and (B): (A) reaction mixture: 50 µl volume of a reaction mixture comprising DNA polymerase, 1 ng of genomic DNA from Escherichia coli, and 10 pmol each of primers Eco-1 and Eco-2 (nucleotide sequences of the primers Eco-1 and Eco-2 being shown in SEQ ID NOs: 10 and 11 of Sequence Listing, respectively); and having a composition suitable for the DNA polymerase; and (B) reaction conditions: 35 cycles of PCR, wherein one cycle consists of 99°C, 1 second - 66°C, 7 seconds; a kit for DNA synthesis usable for the DNA synthesis method; and an article of manufacture of a PCR agent. According to the present invention, the procedures in the genetic engineering studies and industries involved with PCR can be speeded up.
摘要翻译:一种通过聚合酶链式反应(PCR)进行DNA合成所需的时间缩短的DNA合成方法,其特征在于使用DNA聚合酶,其用量可提供超过10ng的扩增DNA片段,每50ul约2kb (A)和(B):(A)反应混合物:50μl体积的包含DNA聚合酶的反应混合物,1ng来自大肠杆菌的基因组DNA, 和引物Eco-1和Eco-2(引物Eco-1和Eco-2的核苷酸序列分别示于序列表的SEQ ID NO:10和11中)的10pmol; 并具有适合于DNA聚合酶的组合物; 和(B)反应条件:35个循环的PCR,其中一个循环由99℃,1秒-66℃,7秒; 用于DNA合成方法的DNA合成试剂盒; 和PCR试剂的制造。 根据本发明,可以加快基因工程研究中涉及PCR的工艺步骤。
摘要:
A DNA synthesis reaction-enhancer comprising at least one kind selected from the group consisting of acidic substances and cationic complexes; a DNA synthesis method in which during a DNA synthesis reaction a reaction is carried out in the presence of the above enhancer by using DNA polymerase; a DNA synthesis reaction composition comprising the above enhancer; a DNA synthesis reaction composition comprising two or more kinds of DNA polymerases each having 3 → 5 exonuclease activity; a DNA synthesis method in which during a DNA synthesis reaction two or more kinds of DNA polymerases each having 3 → 5 exonuclease activity are used; a kit for use in in vitro DNA synthesis, comprising two or more kinds of DNA polymerases each having 3 → 5 exonuclease activity; and a kit for use in in vitro DNA synthesis, wherein the kit comprises the DNA synthesis reaction-enhancer and DNA polymerase. According to the present invention, DNA synthesis can be carried out at an efficiency more excellent as compared to conventional DNA synthesis reaction.
摘要:
The present invention relates to a thermostable DNA polymerase-associated factor capable of enhancing DNA synthesizing-activity of a DNA polymerase; a thermostable DNA polymerase-associated factor possessing an activity of binding to a DNA polymerase and a method for producing the same; a gene encoding the DNA polymerase-associated factor; a method of DNA synthesis by using a DNA polymerase in the presence of the DNA polymerase-associated factor; and a kit comprising the DNA polymerase-associated factor. According to the present invention, there can be provided in vitro DNA synthesis and a DNA amplification system which are more excellent than conventional techniques by utilizing the DNA polymerase-associated factor of the present invention.