Cloning and expression of a Bacillus subtilis Endo-1,3-1,4-beta-D-glucanase gene in Escherichia coli K12.


EcoRI fragments of DNA from Bacillus subtilis NCIB 8565, a high producer of an endo-1,3-1,4-beta-D-glucanase, were 'shot-gun' cloned in the plasmid vector pBR325. A 3.5 kb insert, carrying single restriction sites for AvaI, BglII, ClaI, PvuI and PvuII, was shown to direct the synthesis of beta-glucanase in Escherichia coli K12. Enzyme activity was… (More)


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