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Microsatellite marker primers and identification methods and applications for identification of microsatellite families of Hepu pinnacle oyster

A technology of pearl oyster and microsatellite marking is applied in the field of microsatellite marker primers and identification of Hepu pearl oyster microsatellite family identification, which can solve problems such as few reports, save cost and time, save experimental cost, The effect of improving efficiency

Active Publication Date: 2020-01-14
SOUTH CHINA SEA FISHERIES RES INST CHINESE ACAD OF FISHERY SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] At present, there are few reports on the application of microsatellite markers in the family identification of Hepu Pinctada

Method used

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  • Microsatellite marker primers and identification methods and applications for identification of microsatellite families of Hepu pinnacle oyster
  • Microsatellite marker primers and identification methods and applications for identification of microsatellite families of Hepu pinnacle oyster
  • Microsatellite marker primers and identification methods and applications for identification of microsatellite families of Hepu pinnacle oyster

Examples

Experimental program
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Embodiment 1

[0046] Example 1 Screening and Synthesis of Microsatellite Marker Primers Used for Identification of Microsatellite Family of Hepu Pearl Oyster

[0047] The unigene containing the microsatellite repeat sequence of Hepu pinnacle was screened by transcriptome sequencing, and then microsatellite-specific primers were designed from the sequence detected to contain microsatellite sites from the Hepu pinnacle transcriptome library to detect its polymorphism After screening, 9 pairs of primers with clear bands and high polymorphism were finally selected as primers for family identification. The primers were synthesized in Shanghai Sangon Bioengineering Co., Ltd.

[0048] The microsatellite marker primers selected in the present invention are rich in polymorphism, suitable for fragment size intervals, and are not linked between markers, and are easy to type and detect at the same time, and can be used for the population genetic structure of Hepu pinnacle, genetic breeding evaluation and ...

Embodiment 2

[0051] The identification method of embodiment 2 Hepu pearl oyster microsatellite family

[0052] (1) DNA extraction from parents and offspring of Hepu Pearl Oyster

[0053] (1) Establishment of Hepu pearl oyster family

[0054] Four shell-color strains of Hepu Pinctada and 1 fast-growing strain were selected, and 12 male and female Hepu Pinctada were selected for artificial breeding. The ratio of male to female was 1:1, and 12 full-sib families were established. The adductor muscle tissues of the parents of each family were clipped and placed in absolute ethanol, and the family information was recorded and stored at -20°C. The 12 families were raised in different cages. After half a year, 14 shellfish were randomly selected from each family, and their adductor muscles were fixed with absolute ethanol as samples for family identification.

[0055] (2) Extraction of Genomic DNA from Hepu Pearl Oyster parents and offspring

[0056] Using the Magen Mollusc Tissue DNA Extractio...

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Abstract

The invention discloses microsatellite marker primers used for pinctada fucata martensii microsatellite family identification. The microsatellite marker primers include nine primer pairs in total, and the nine primer pairs are PF-3, PF-4, PF-11, PF-13, PF-16, PF-27, PF-30, PF-44 and PF-48 respectively. The invention further discloses an identification method for the pinctada fucata martensii microsatellite family and application of the microsatellite marker primers to pinctada fucata martensii microsatellite family identification. By the adoption of the microsatellite marker primers, a paternity test platform is set up on pinctada fucata martensii with polymorphic microsatellite markers marked by fluorescence for the first time, and the identification accuracy reaches 90.24%; different families and sources of the pinctada fucata martensii can be effectively and fast identified, and a basis is provided for breeding, reproduction matching and enhancement and releasing assessment of the pinctada fucata martensii.

Description

technical field [0001] The invention belongs to the technical field of molecular markers for shellfish genetics and breeding, and in particular relates to a microsatellite marker primer for identification of Hepu pinnacle microsatellite family, identification method and application. Background technique [0002] Hepu pearl oyster (Pinctada fucata), also known as "Pinctada fucata", is a bivalve, pearl oyster family, and lives in the shallow seabed with clear water quality and coral reefs or many gravels. It is distributed in the South China Sea. It is also produced in Japan, except for pearls. In addition, the meat is edible, and the shell can be used to make buttons. It is one of the main varieties of Shanghai water pearls cultivated in China and the world. [0003] Due to the lack of emphasis on selective breeding in the long-term breeding process, and the outdated breeding mode, aging breeding sites, and backward pearl breeding technology, the cultured Hepu pearl oyster gr...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C12Q1/6888C12Q1/6858C12N15/11
CPCC12Q1/6858C12Q1/6888C12Q2600/156C12Q2531/113C12Q2563/107
Inventor 张殿昌朱克诚江世贵郭华阳张楠
Owner SOUTH CHINA SEA FISHERIES RES INST CHINESE ACAD OF FISHERY SCI
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