会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 5. 发明申请
    • MATERIALS AND METHODS FOR THE SYNTHESIS OF ERROR-MINIMIZED NUCLEIC ACID MOLECULES
    • 合成最小化核酸分子的材料与方法
    • US20130225451A1
    • 2013-08-29
    • US13757633
    • 2013-02-01
    • SYNTHETIC GENOMICS, INC.
    • Daniel G. GibsonNicky CaiazzaToby H. Richardson
    • C12N15/10C12N9/22
    • C12N15/1093C07K2319/00C07K2319/036C07K2319/21C12N9/22C12P19/34C12Q1/6844C12Y301/11C12Y301/21C12Q2521/301C12Q2521/514
    • The present invention provides materials and methods useful for error correction of nucleic acid molecules. In one embodiment of the invention, a first plurality of double-stranded nucleic acid molecules having a nucleotide mismatch are fragmented by exposure to a molecule having unidirectional mismatch endonuclease activity. The nucleic acid molecules are cut at the mismatch site or near the mismatch site, leaving a double-stranded nucleic acid molecule having a mismatch at the end or near end of the molecule. The nucleic acid molecule is then exposed to a molecule having unidirectional exonuclease activity to remove the mismatched nucleotide. The missing nucleotides can then be filled in by the action of, e.g., a molecule having DNA polymerase activity. The result is double-stranded nucleic acid molecules with a decreased frequency of nucleotide mismatches. Also provided are novel nucleic acid sequences encoding mismatch endonucleases, polypeptides encoded thereby, as well as nucleic acid constructs, transgenic cells, and various compositions thereof.
    • 本发明提供了可用于核酸分子的纠错的材料和方法。 在本发明的一个实施方案中,具有核苷酸错配的第一多个双链核酸分子通过暴露于具有单向错配核酸内切酶活性的分子而被片段化。 在错配位点或错配位点附近切割核酸分子,留下在分子的末端或近端具有错配的双链核酸分子。 然后将核酸分子暴露于具有单向外切核酸酶活性的分子以除去错配的核苷酸。 然后可以通过例如具有DNA聚合酶活性的分子的作用填充缺失的核苷酸。 结果是具有降低的核苷酸错配频率的双链核酸分子。 还提供了编码错配核酸内切酶的新型核酸序列,由此编码的多肽,以及核酸构建体,转基因细胞及其各种组合物。