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    • 17. 发明申请
    • METHOD FOR IDENTIFYING NOVEL GENES
    • 识别新基因的方法
    • US20080026392A1
    • 2008-01-31
    • US11780884
    • 2007-07-20
    • Andre AbadHua DongSusan LoBilly McCutchenXiaomei Shi
    • Andre AbadHua DongSusan LoBilly McCutchenXiaomei Shi
    • C12Q1/68
    • C12N15/8286C12Q1/6813Y02A40/162C12Q2531/113
    • Methods and compositions for identifying novel genes that share regions of homology with known genes from target groups of genes of interest are provided. The methods comprise systematically designing oligonucleotide primers that are specific for regions of homology within the nucleotide sequences of a target group of known genes and performing successive rounds of PCR amplification of nucleic acid material from an organism of interest. The PCR steps are intended to identify and amplify nucleic acids comprising both known and novel genes. Nucleic acid molecules comprising known genes are detected and eliminated from further consideration by dot blot analysis using oligonucleotide probes specific for the known genes in the target group. Potentially novel genes are subjected to further sequence analysis to confirm novelty and assayed for biological activity. Compositions of the present invention include novel polynucleotides, and variants and fragments thereof, that comprise novel genes and the polypeptides encoded thereby.
    • 提供了用于鉴定与目标基因组的已知基因具有同源性区域的新基因的方法和组合物。 所述方法包括系统地设计对已知基因的靶组的核苷酸序列内的同源区特异性的寡核苷酸引物,并且从感兴趣的生物体进行连续循环的核酸材料的PCR扩增。 PCR步骤旨在鉴定和扩增包含已知和新基因的核酸。 通过使用针对靶组中已知基因特异的寡核苷酸探针的斑点印迹分析,进一步考虑检测并消除包含已知基因的核酸分子。 将潜在的新基因进行进一步的序列分析以确认新颖性并测定生物活性。 本发明的组合物包括新型多核苷酸及其变体和片段,其包含新基因和由其编码的多肽。