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Expression inhibitor of pig RLIM gene and application thereof

A technology of gene expression and inhibitor, which is applied in the field of transgenic engineering and the expression inhibitor of pig RLIM gene, can solve the problem of low efficiency of pig cloning and achieve the effect of improving the efficiency of in vitro development

Active Publication Date: 2021-06-18
SOUTH CHINA AGRI UNIV
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  • Abstract
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  • Claims
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Problems solved by technology

[0004] In the process of studying and solving the problem of low pig cloning efficiency, the inventors of the present invention found that there is another gene RLIM in the inactivation central region of the X chromosome

Method used

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  • Expression inhibitor of pig RLIM gene and application thereof
  • Expression inhibitor of pig RLIM gene and application thereof
  • Expression inhibitor of pig RLIM gene and application thereof

Examples

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Embodiment Construction

[0028] The present invention will be described in further detail below in conjunction with specific embodiments and accompanying drawings. Unless otherwise specified, the reagents used in the examples are all commercially available, and the technical means used are conventional means well known to those skilled in the art.

[0029] The RLIM gene sequence involved in the present invention is derived from NCBI Reference Sequence: XM_003135188.5.

[0030] 1. Design and synthesis of porcine RLIM gene

[0031] According to the porcine RLIM gene sequence in the NCBI database, the siRNA against RLIM gene was designed and synthesized, and the corresponding gene position of the sequence is as follows: figure 1 As shown, its sequence is as follows:

[0032] Table 1 Sequence list of siRNA sequences

[0033]

[0034] The synthesized siRNA was dissolved in RNase-free water to a final concentration of 50 μM, aliquoted and stored at -20°C for later use.

[0035] 2. Screening of anti-R...

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Abstract

The invention discloses application of an expression inhibitor of a pig RLIM gene in preparation of a product with an effect of improving the developmental performance of a porcine cloned reconstructed embryo and application of the expression inhibitor in preparation of a product with an effect of improving the porcine cloning efficiency. The expression inhibitor of the pig RLIM gene can effectively improve the blastocyst rate of the porcine cloned reconstructed embryo and the embryo quality in the blastocyst period, that is, the development performance of the porcine cloned reconstructed embryo can be effectively improved, so that the cloning efficiency of porcine somatic cell cloning can be improved. The expression inhibitor of the pig RLIM gene can be selected from siRNAs capable of inhibiting the expression of the pig RLIM gene. The invention further provides three kinds of siRNAs capable of inhibiting the expression of the pig RLIM gene.

Description

technical field [0001] The invention relates to the technical field of genetic engineering, in particular to transgenic engineering technology, in particular to an expression inhibitor of porcine RLIM gene and application thereof. Background technique [0002] Cloning technology is the technique of transplanting an animal's somatic cell nucleus into an enucleated oocyte, reconstituting a cloned embryo, and developing into an offspring that is genetically identical to the donor animal cell. The application fields of cloning technology are very extensive, such as accelerating the breeding of superior livestock breeds and cultivating transgenic varieties, using cloning technology to treat diseases, etc. Moreover, in animal husbandry production, compared with traditional breeding methods, pig somatic cell cloning technology can rapidly multiply high-quality breeding pigs in a short period of time, maintain the stability of the two genes and avoid the decline of good traits, grea...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C12N15/113C12N15/877C12N15/89
CPCC12N15/113C12N15/8778C12N15/89C12N2310/14
Inventor 李紫聪吴珍芳杨柳松吴霄蔡更元洪林君杨杰杨化强郑恩琴顾婷徐铮黄思秀
Owner SOUTH CHINA AGRI UNIV
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