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    • 1. 发明申请
    • METHOD AND DEVICE FOR ASSEMBLING GENOME SEQUENCE
    • 用于组装基因序列的方法和装置
    • US20130345095A1
    • 2013-12-26
    • US14002374
    • 2012-03-02
    • Changlei HanWenbin ChenXiuqing ZhangHuanming Yang
    • Changlei HanWenbin ChenXiuqing ZhangHuanming Yang
    • G06F19/18
    • G16B20/00G16B30/00
    • A method and an apparatus for genome assembly are provided. The method comprises: filtering a short-fragment-sequence output from end sequencing of an large insert-size library to remove unqualified sequence; aligning the filtered short-fragment-sequence onto a reference genome sequence, wherein, the filtered short-fragment-sequences comprise paired short-fragment-sequences; sorting the paired short-fragment-sequence after alignment into soap reads sequence, single reads sequence and unmap reads sequence based on the aligning result, and counting the number of each sort of sequence; calculating a distance between the paired soap reads on a fragment of the reference genome sequence, wherein a pair of the paired soap reads can be aligned onto a same fragment of the reference genome sequence; and counting a distance distribution of each pair of soap reads on the reference genome sequence; and assembling the genome sequence by using the paired single reads upon the distance distribution meeting a requirement of a threshold, wherein a pair of the paired single reads can be aligned onto two different fragments of the reference genome sequence.
    • 提供了用于基因组装配的方法和装置。 该方法包括:从大插入大小库的末端排序中过滤短片段序列输出,以去除不合格序列; 将经过滤的短片段序列对准参考基因组序列,其中,经过滤的短片段序列包含配对的短片段序列; 将对齐后的配对短片段序列排序为soap,读取序列,基于对齐结果的单次读取序列和unmap读取序列,并对每种序列的数量进行计数; 计算参考基因组序列的片段上的成对皂读数之间的距离,其中一对成对的皂读数可以对准参考基因组序列的相同片段; 并计算参考基因组序列上每对皂读数的距离分布; 并且通过在距离分布上使用配对的单个读数来组合基因组序列,满足阈值的要求,其中一对成对的单个读数可以对准参考基因组序列的两个不同片段。
    • 9. 发明申请
    • METHOD AND SYSTEM FOR DETERMINING COPY NUMBER VARIATION
    • 用于确定复制数变化的方法和系统
    • US20150056619A1
    • 2015-02-26
    • US14389898
    • 2012-04-05
    • Xuchao LiShengpei ChenFang ChenWeiwei XieJian WangJun WangHuanming YangXiuqing Zhang
    • Xuchao LiShengpei ChenFang ChenWeiwei XieJian WangJun WangHuanming YangXiuqing Zhang
    • C12Q1/68
    • C12Q1/68C12Q1/6869C12Q2535/122C12Q2537/165G16B15/00G16B30/00G16C99/00
    • Disclosed are a method and a system for determining genome copy number variation, which relates to the technical field of bioinformatics. The method comprises obtaining reads; determining sequence labels according to the reads; counting the number of sequence labels falling into each window; performing GC correction on the sequence label number of each window and a correction according to an expected sequence label number adjusted by a control set to obtain a corrected sequence label number; selecting a demarcation point with a small significance value as a candidate CNV breaking point; rejecting the least significant candidate CNV breaking point at every turn, updating difference significance values of two candidate CNV breaking points on the left and right of the rejected candidate CNV breaking point and performing cyclic iteration until difference significance values of all candidate CNV breaking points are smaller than a termination threshold value, thereby determining a CNV breaking point. The method and the system the present invention have clinical feasibility, and can precisely detect a micro-deletion/micro-duplication area of 0.5 M under the situation of using data of about 50 M.
    • 公开了用于确定与生物信息学技术领域有关的基因组拷贝数变异的方法和系统。 该方法包括获取读数; 根据读数确定序列标签; 计算落入每个窗口的序列标签的数量; 对每个窗口的序列标签号执行GC校正,并根据由控制集调整的预期序列标号进行校正,以获得校正的序列标号; 选择具有较小重要性值的分界点作为候选CNV断点; 拒绝每一回合中最不重要的候选CNV断点,更新拒绝的候选CNV断点左侧和右侧的两个候选CNV断点的差异有效值,并执行循环迭代,直到所有候选CNV断点的差值显着值较小 比终止阈值,从而确定CNV断点。 本发明的方法和系统具有临床可行性,并且可以在使用约50M的数据的情况下精确地检测到0.5M的微缺失/微复制区域。