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[Cloning of Bmi1 cDNA From Mouse Testis and Its Expression in E. Coli BL21]

[Cloning of Bmi1 cDNA From Mouse Testis and Its Expression in E. Coli BL21]

Shi-qing Zhang, De-xue Li, En-zhong Li, Chang-yong Wang, Xue-ming Zhang, Jing-yan Lu

Zhonghua Nan Ke Xue. 2006 Apr;12(4):308-10, 314.

PMID: 16683560

Abstract:

Objective:
To produce BMI1 polyclonal antibody, mouse Bmi1 cDNA was cloned from mouse testis and expressed in E. coli BL21.
Methods:
Bmi1 gene was amplified from mouse testis by RT-PCR and inserted into the prokaryotic expression vector pET-28c(+). Subsequently the recombined vector was transformed and expressed in E. coli BL21 (DE3) and the immunogenicity of recombined protein BMI1 (rBMI1) was tested by Western blot.
Results:
Mouse Bmi1 cDNA of 975 bp was successfully cloned and recombined. E. coli BL21 strains expressed rBMI1 were screened. The expression protein amounted to 12% of the total bacterial protein after induced with IPTG, which included inclusion body and soluble protein. Inclusion body was the major pattern of the expression that amounted to 71% of the insoluble protein. Western blot analysis showed that rBMI1 could be specially recognized by mouse monoclonal IgG1 anti-BMI1 and His-tag antibody.
Conclusion:
There was expression of Bmi1 gene in mouse testis. Mouse Bmi1 cDNA was successfully cloned and expressed prokaryoticly.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
IAR4248964	Monoclonal Anti-DNA Ligase I antibody produced in mouse			Price

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