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    • 21. 发明申请
    • DETECTING MULTINUCLEOTIDE REPEATS
    • 检测多发性重复
    • WO2011006165A2
    • 2011-01-13
    • PCT/US2010041731
    • 2010-07-12
    • PERKINELMER HEALTH SCI INCADLER KARL EDWIN JR
    • ADLER KARL EDWIN JR
    • C12Q1/68C12N15/11
    • C12Q1/6883C12Q1/686C12Q2565/519C12Q2525/204C12Q2525/151
    • Methods of determining the length of a multinucleotide repeat region in a target nucleic acid are provided herein which include labeling amplified target nucleic acids with a target detection label independent of the number of multinucleotide repeats and a repeat-detection label proportional to the number of multinucleotide repeats, wherein the two types of labels are each independently incorporated in the amplified target nucleic acids during the amplifying or after the amplifying; binding the amplified target nucleic acids to a capture probe specific for the amplified target nucleic acids; detecting the target detection label associated with the capture probe to produce a first signal; detecting the repeat-detection label associated with the capture probe to produce a second signal; and determining a ratio of the first signal and the second signal, wherein the ratio is indicative of the length of the multinucleotide repeat region in the target nucleic acid.
    • 本文提供确定靶核酸中多核苷酸重复区长度的方法,其包括用与多核苷酸重复数目无关的靶标检测标记物标记扩增的靶核酸,以及与多核苷酸重复数目成比例的重复检测标记 其中两种类型的标记在放大期间或扩增后各自独立地并入扩增的靶核酸中; 将扩增的靶核酸与扩增的靶核酸特异的捕获探针结合; 检测与捕获探针相关联的目标检测标签以产生第一信号; 检测与捕获探针相关联的重复检测标签以产生第二信号; 以及确定第一信号和第二信号的比率,其中该比率指示靶核酸中的多核苷酸重复区的长度。
    • 22. 发明申请
    • METHOD FOR DETECTING NUCLEIC ACIDS
    • 检测核酸的方法
    • WO2010130877A2
    • 2010-11-18
    • PCT/FI2010050380
    • 2010-05-11
    • ABACUS DIAGNOSTICA OYVON LODE PIIASYRJAELAE ANNIINALOEVGREN TIMOSOUKKA TERO
    • VON LODE PIIASYRJAELAE ANNIINALOEVGREN TIMOSOUKKA TERO
    • C12Q1/68
    • C12Q1/6818C12Q1/689C12Q2537/161C12Q2527/107C12Q2525/204C12Q2565/107
    • This invention relates to detecting nucleic acids. It employs a double-stranded oligonucleotide probe comprising i)a first probe comprising a first label moiety capable of emitting a measurable signal, and ii) a second probe being partially complementary with the first probe and comprising a second label moiety capable of interacting with the first moiety when brought in close proximity with each other, the second moiety being a quencher or acceptor of emission of the first moiety. The first or second probe comprises a sequence being complementary to that of a target nucleotide, and the second or first probe, respectively, comprises a sequence being complementary to a complement of the target nucleotide sequence of the nucleic acid to be detected. The first and the second moieties are attached to the first and second probes respectively in a manner wherein the distance between the first and second moieties is not more than 7 base pairs apart. The complementary sequences of the double-stranded probe is shorter than the full sequence of both the first and second single-stranded probes. The first and second probes have a higher Tm when hybridized with the target nucleotide sequence compared to the Tm of the double-stranded probe. The intensity of the signal of the first label when the first probe is not hybridized to the second probe is higher or lower than the intensity of the signal of the first label when the first probe is hybridized to the second probe. This invention also relates to oligonucleotides for determining Chlamydia trachomatis.
    • 本发明涉及检测核酸。 其采用双链寡核苷酸探针,其包含i)第一探针,其包含能够发射可测量信号的第一标记部分,和ii)与第一探针部分互补的第二探针,并且包含能够与 当第一部分彼此靠近时,第二部分是第一部分的发射的猝灭剂或受体。 第一或第二探针包含与靶核苷酸互补的序列,第二或第一探针分别包含与被检测核酸的靶核苷酸序列的互补序列互补的序列。 第一和第二部分分别以第一和第二部分之间的距离不超过7个碱基对的方式连接到第一和第二探针。 双链探针的互补序列比第一和第二单链探针的全序列短。 当与靶核苷酸序列杂交时,与双链探针的Tm相比,第一和第二探针具有更高的Tm。 当第一探针不与第二探针杂交时,第一标记的信号的强度比第一标记与第二探针杂交时的第一标记的信号的强度高或低。 本发明还涉及确定沙眼衣原体的寡核苷酸。