Exploring the N-terminal role of a heterologous protein in secreting out of Escherichia coli

【Author】

Quanfeng Liang;Dongfang Gao;Qingsheng Qi;

【Abstract】

<正>Escherichia coli is commonly used as a host for the extracellular production of proteins.However,its secretion capacity is often limited to a frustratingly low level compared with other expression hosts,because E.coli has a complex cell envelope with two layers.We recently identified the catalytic domain of a cellulase(Cel-CD)from Bacillus sp.that can be secreted into the medium from recombinant E.coli in large quantities without its native signal peptide.This protein can degrading cellulose efficiently in the

【Keywords】

degrading;quantities;secretion;cellulose;secreted;biochemical;envelope;biomass;factory;cultivation;

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