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In situ hybridization probe primers, probes and localization methods of Xu's flat scorpion muscle satellite cells

A technology of muscle satellite cells and in situ hybridization, applied in the field of probe primers for in situ hybridization of muscle satellite cells in the flat scorpionfish, can solve problems such as unclear mechanisms

Active Publication Date: 2022-04-08
OCEAN UNIV OF CHINA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In adult fish, the proliferation and differentiation of muscle satellite cells are always in an active state, which is regulated differently from mammals, but the mechanism is still unclear

Method used

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  • In situ hybridization probe primers, probes and localization methods of Xu's flat scorpion muscle satellite cells
  • In situ hybridization probe primers, probes and localization methods of Xu's flat scorpion muscle satellite cells

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] A method utilizing transmission electron microscopy to locate muscle satellite cells in the muscle of the scorpionfish Xu's, the specific steps of the method are as follows:

[0025] 1. Sampling and washing. Take a 1-year-old flat scorpionfish with a clean and sterile blade above the lateral line, close to the skeletal muscle in the middle of the dorsal fin, cut into small pieces about 1mm wide and 2-3mm long, and rinse with excess RNase-free 1xPBS buffer. The washed muscle samples were stored overnight at 4°C in 2.5% glutaraldehyde;

[0026] 2. After 0.1mol L －1 After rinsing with phosphate buffer, transfer to 1% osmic acid and fix at 4°C for 3h.

[0027] 3. Dehydration. 50% ethanol, 15-20min; 70% ethanol, 15-20min; 90% ethanol, 15-20min; 90% ethanol, 90% acetone (1:1) 15-20min; 90% acetone, 15-20min. All the above operations were carried out at 4°C. Dehydrate in 100% acetone at room temperature three times, each time for 15-20min.

[0028] 4. Embedding. Pure ac...

Embodiment 2

[0031] Embodiment 2 A probe primer for in situ hybridization of Xu's flat scorpion muscle satellite cells, the primer sequence is as follows: F: 5'-GGACAGGCCTACTAAAG-3', R: 5'-CCATGACAAACAGGAAC-3'; synthesized using the above primers Probe, the probe sequence is:

[0032]GGACAGGCCTACTAAAGCCCCCCCACCCCACCCCTAGGTCGCACCCTGCGCCACTCTCCTCCGCCCTCTGCCACCCTCCTCCATGCTCCATCAAGTCTGGACTCCCAACTCCAGCTCGCTCTGCAGCCGGGCCATGACATCAGCGCACAGACACGCAGCCTCGCTGAGAGAAAGTGACGCTCGCGAGTGTGACAAAAGCACTTCGGGGGAATGGAACTAAAGTTTTCACGCCATTGTCAACCACCAGGCGGCTCTGCACCCTCTCTTCTCAACCTTTTAGGCGTCTCTGCCTGTTCCCTGTACTCTCCTTCCTCCAGCCCCAAACCCTGCTTTGTTTTCCCCCAGAAGGCCAGACGGGATCCAAGTTCAACCGAGGATGGTCGGCCGCCTTGGCCCGGGTTCCTGTTTGTCGTGG

[0033] Utilize above-mentioned probe to carry out in situ hybridization localization method to Xu's flat scorpion muscle satellite cell, concrete steps are as follows:

[0034] 1) In situ hybridization sample fixation. Take the skeletal muscle sample from the same position on the other side of the s...

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Abstract

The invention relates to an in situ hybridization probe primer, probe and positioning method of Xu's flat scorpion muscle satellite cells, which belong to the field of molecular biology. The primer sequences of the probe template are as SEQ.NO 1 and SEQ.NO 2, and the probe The sequence is shown in SEQ.NO 3. The invention also provides a method for using the probe to carry out in situ hybridization to localize the satellite cells of the flat scorpionfish muscle. The invention locates Xu's flat scorpion muscle satellite cells through the in situ hybridization of skeletal muscle tissue of Pax7 gene, provides theoretical and technical support for exploring the renewal and activation molecular mechanism of muscle satellite cells, and will help to further study Xu's flat Muscle growth and differentiation rules of scorpionfish; in addition, the invention has a certain application prospect in the research of gene positioning and function by in situ hybridization of muscle tissues of other fishes.

Description

technical field [0001] The invention belongs to the field of marine fish muscle growth and development, and relates to an in-situ hybridization probe primer, probe and positioning method of Xu's flat scorpion muscle satellite cells. Background technique [0002] Sebastes schlegelii is known as the "northern grouper". Its meat is delicious and has high economic value. It is an important marine economic fish and an excellent species for breeding. East China Sea. Xu's flat scorpionfish has a wide range of living temperatures and can survive the winter in deep-water cages. It is one of the few species suitable for long-term farming in deep-water cages in the north. It has been widely used in deep-water cage culture in the northern coast. [0003] Fish muscles make up 40-60% of the body weight and are the main edible part. For large economically important fishes such as the flat scorpionfish, muscle growth is the core of growth traits. Different from the muscle growth pattern ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C12N15/11C12Q1/6841
CPCC12Q1/6841C12Q2527/125C12Q2543/10
Inventor 贺艳齐洁王梦娅张全启
Owner OCEAN UNIV OF CHINA
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