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Mycoplasma genitalium parC gene mutation type detection method and kit

A technology of mycoplasma genitalium and detection kits, which is applied in the field of molecular biology detection, can solve the problems of complex mutations, inability to cover mutant types, and increase costs, and achieve the effects of strong specificity, reduced detection costs, and low cost

Pending Publication Date: 2022-07-05
INST OF PATHOGEN BIOLOGY CHINESE ACADEMY OF MEDICAL SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, due to the complex mutations at the above two sites (ParCS83I, S83C, S83N, S83R, D87G, D87N, D87H, D87Y), conventional NAAT techniques cannot cover all mutant types
Existing fluorescent quantitative PCR methods need to design porous and multiple probes to cover all mutant types, which greatly increases the cost of these methods in application

Method used

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  • Mycoplasma genitalium parC gene mutation type detection method and kit
  • Mycoplasma genitalium parC gene mutation type detection method and kit
  • Mycoplasma genitalium parC gene mutation type detection method and kit

Examples

Experimental program
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Effect test

Embodiment 1

[0037] 1) Use the sample collection tube provided with the kit to collect patient secretions or urine samples.

[0038] 2) For urine samples, centrifuge at 8,000 rpm for 10 minutes, discard the supernatant, and add an appropriate amount of Lysis buffer to the sample collection tube; for swab samples of secretions, add an appropriate amount of Lysis buffer to the sample collection tube, Stir and soak the swab in Lysis buffer for 5 min.

[0039] 3) The sample collection tube is placed in a metal bath or a water bath, heated at 95° C. for 10 minutes, and allowed to stand at room temperature to complete the extraction of the sample genomic DNA. (The above steps can be used to complete the extraction of genomic DNA with other nucleic acid extraction kits or methods)

[0040] 4) Using the sample genomic DNA obtained in the above steps as a template, 8 mutation types of the parC gene of Mycoplasma genitalium were detected in the primer sets of the two Assays. The 20 μl reaction sys...

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Abstract

The invention provides a detection method and a kit for mycoplasma genitalium parC gene mutation types, the detection method is used for detecting eight mutation types of mycoplasma genitalium parC genes, and detection targets of the eight mutation types are (1) ParC S83I, (2) ParC S83C, (3) ParC S83N, (4) ParC S83R, (5) ParC D87G, (6) ParC D87N, (7) ParC D87H and (8) ParC D87Y. The invention further provides reaction primer sequences SEQ ID NO.1 to SEQ ID NO.9 respectively aiming at detection of the eight mutation types. According to the present invention, the 8 mutation types are detected by using the high resolution melting (HRM) technology in combination with the unlabeled probe;

Description

technical field [0001] The invention belongs to the technical field of molecular biology detection, and relates to a method for detecting 8 mutation types of Mycoplasma genitalium parC gene, in particular to a method for 8 mutation types of Mycoplasma genitalium parC gene and a kit thereof. Background technique [0002] Mycoplasma genitalium was first isolated in 1980 from samples from two male patients with non-gonococcal urethritis. Mycoplasma genitalium infection accounts for 10-35% of non-chlamydial non-gonococcal urethritis in men. In female patients, M. genitalium is associated with cervicitis and pelvic inflammatory disease (PID). However, in the 10 years following the pathogen's discovery, little progress has been made in determining the clinical importance of M. genitalium in bacteria due to the lack of reliable detection methods. Mycoplasma genitalium, an extremely slow-growing and finicky bacterium, and the new isolates were obtained after a series of techniques...

Claims

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Application Information

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IPC IPC(8): C12Q1/689C12Q1/6858C12N15/11C12R1/35
CPCC12Q1/689C12Q1/6858C12Q2600/156C12Q2600/16C12Q2531/113C12Q2563/107C12Q2527/107C12Q2537/143Y02A50/30
Inventor 彭俊平李雅梅
Owner INST OF PATHOGEN BIOLOGY CHINESE ACADEMY OF MEDICAL SCI
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