DNA label, PCR primer and application thereof

A technology for labeling and amplifying products, applied in DNA/RNA fragments, recombinant DNA technology, bioreactor/fermenter combination, etc., which can solve the problems of low throughput, time-consuming and laborious, low throughput, expensive equipment and consumables, etc. , to achieve accurate and reliable detection results and high sequencing throughput.

Active Publication Date: 2016-02-03
TIANJIN MEDICAL LAB BGI +1
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  • Abstract
  • Description
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AI Technical Summary

Problems solved by technology

These detection methods have many limitations, such as low detection capacity, low throughput, time-consuming and labor-intensive, expensive equipment and consumables. High-throughput detection of mutation sites, however, the gene chip platform is expensive and requires high quality equipment and

Method used

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  • DNA label, PCR primer and application thereof
  • DNA label, PCR primer and application thereof
  • DNA label, PCR primer and application thereof

Examples

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Effect test

Embodiment 1

[0102] Adopt the method of the present invention, carry out deaf gene mutation type to 190 samples, concrete steps are as follows:

[0103] 1. Sample extraction

[0104] DNA was extracted from 190 dried blood spots with known time-of-flight mass spectrometry results using 5% chelex (chelex-100 brand BIO-RAD). After the extraction, the dried blood slice extraction product with a diameter of 3 mm was obtained, which was used as a template in the next step of PCR amplification.

[0105] 2. PCR amplification

[0106] The 190 copies of DNA obtained in step 1 were numbered 1-190 in sequence, and divided into 2 groups evenly (HL-1 group: number 1-95; HL-2 group: number 96-190). According to the sequence (SEQIDNO: 96-119) of each primer of the primer group (comprising 12 forward primers and 12 reverse primers) that is used to amplify the deafness gene, design a set of labels, totally 95 (SEQIDNO: 1-95). Add each designed tag to the 5' end of the sequence of each primer in the prim...

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Abstract

The invention discloses a DNA label, a PCR primer and application thereof. The DNA label is chosen from nucleotides shown as SEQ ID NO:1-95 and can be used for building a nucleic acid sequencing library to accurately differentiate the nucleic acid sequencing library. The DNA label and the PCR primer are utilized to structure a label PCR primer, and deafness gene mutation detection of 95 DNA samples can be realized at most in one time by utilizing the label PCR primer according to a method for determining whether deafness genes of various DNA samples are mutational or not.

Description

technical field [0001] The present invention relates to the technical field of nucleic acid sequencing and typing, in particular, to DNA tags, PCR primers and applications thereof, more specifically, to a set of DNA tags, a set of PCR primers, a method for constructing a nucleic acid sequencing library, and determination of deafness in DNA samples A method for determining whether there is a mutation in a gene, a kit for determining whether a DNA sample has a mutation in a deaf gene, and a system for determining whether a DNA sample has a mutation in a deaf gene. Background technique [0002] Deafness is a common condition that seriously affects quality of life and communication. According to the second national sample survey of disabled people in 2006, there were 82.96 million people with disabilities in my country, including 27.8 million people with hearing disabilities, and 800,000 deaf-mute children under the age of 7, with an annual growth rate of 30,000 newborn deaf chi...

Claims

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Application Information

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IPC IPC(8): C12N15/11C40B50/06C12Q1/68C12M1/34
Inventor 张俊青程秀陈祖煜吕艳春刘涛吴仁花易鑫杨玲
Owner TIANJIN MEDICAL LAB BGI
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