Expression of recombinant extracellular region of human interleukin-1 receptor type I in Pichia pastoris / 南方医科大学学报
Journal of Southern Medical University
; (12): 1841-1843, 2010.
Article
de Zh
| WPRIM
| ID: wpr-330827
Bibliothèque responsable:
WPRO
ABSTRACT
<p><b>OBJECTIVE</b>To construct pPICZalphaA-soluble interleukin-1 receptor type I (sIL-1RI) recombinant expression vector containing the gene fragment encoding the extracellular domain of sIL-1RI for its expression in Pichia pastoris.</p><p><b>METHODS</b>sIL-1RI gene was amplified by RT-PCR and inserted into the yeast expression vector pPICZalphaA by digestion ligation. The recombinant plasmid pPICZalphaA-sIL1RI was transformed into E.coli Stb13, and the positive clones were analyzed by PCR and DNA sequencing. The pPICZalphaA-sIL1RI recombinant plasmid was electroporated into GS115 cells and the transformants were analyzed by PCR. After phenotype identification, the recombinant strains were induced by methanol to express the target protein, which was analyzed by Western blotting of the cell extract and supernatant.</p><p><b>RESULTS</b>The recombinant plasmid pPICZalphaA-sIL-1RI was constructed successfully, and the results of Western blotting showed that yeast induced by methanol expressed a protein of about 39 kD.</p><p><b>CONCLUSION</b>sIL-1RI protein has been successfully expressed in P.pastoris expression system, which provides the basis for further study of sIL-1RI.</p>
Texte intégral:
1
Indice:
WPRIM
Sujet Principal:
Pichia
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Plasmides
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Expression des gènes
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Escherichia coli
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Récepteur à l'interleukine-1 de type I
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Vecteurs génétiques
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Génétique
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Métabolisme
Limites du sujet:
Humans
langue:
Zh
Texte intégral:
Journal of Southern Medical University
Année:
2010
Type:
Article