• Patent Title: Methods and compositions for universal detection of nucleic acids
  • Application No.: US14566596
    Application Date: 2014-12-10
  • Publication No.: US09938570B2
    Publication Date: 2018-04-10
  • Inventor: Eugene Spier
  • Applicant: UniTaq Bio
  • Applicant Address: US CA Los Altos
  • Assignee: UNITAQ BIO
  • Current Assignee: UNITAQ BIO
  • Current Assignee Address: US CA Los Altos
  • Agency: Quine IP Law
  • Agent Gary Baker
  • Main IPC: C12Q1/68
  • IPC: C12Q1/68
Methods and compositions for universal detection of nucleic acids
Abstract:
Provided are methods and compositions for detecting the presence or amount of one or more target nucleic acids in a sample. Methods of the present invention include linking universal nucleic acid segments into a single molecule in a linking reaction dependent on a target nucleic acid of interest. A variety of universal segment linking strategies are provided, including preamplification by polymerase chain reaction, ligation-based strategies, reverse transcription and linear polymerase extension. Linking the universal segments into a single molecule generates a tagged target nucleic acid which is detected in a manner dependent on an intramolecular interaction between one universal segment and a second portion of the tagged target nucleic acid. In certain embodiments, the intramolecular interaction includes the formation of a hairpin having a stem between a universal segment at one end of the tagged target nucleic acid and a second universal segment at the opposite end of the tagged target nucleic acid. A variety of detection formats are provided, including solution-phase and surface-based formats. The methods and compositions are well-suited for highly multiplexed nucleic acid detection, and are applicable for the detection of any target nucleic acid of interest in both research and clinical settings.
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