Cloning and expression of endo-β-glucanase II gene in H31-3

Front. Biol. ›› 2008, Vol. 3 ›› Issue (3) : 287 -292.

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Front. Biol. ›› 2008, Vol. 3 ›› Issue (3) :287 -292. DOI: 10.1007/s11515-008-0053-7
Cloning and expression of endo-β-glucanase II gene in H31-3
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Abstract

Endo-?-glucanase II (EG II) gene cDNA was isolated from the fungus Humicola insolens H31-3 by RT-PCR. It was cloned into the expression vector pGAPZ?A. The resultant recombinant plasmid was introduced into Pichia pastoris GS115 by electroporation after being linearized by BspHI digestion. The recombinant Pichia pastoris strain was obtained and SDS-PAGE showed that the molecular weight of the expression protein was about 55 kD.The cultivation condition and the characteristics of the recombinant EG II were also explored.

Keywords

Humicola insolens / Pichia pastoris / endoglucanase II / secretive expression

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. Cloning and expression of endo-β-glucanase II gene in H31-3. Front. Biol., 2008, 3 (3) : 287-292 DOI:10.1007/s11515-008-0053-7

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