Improvement of the secretion of extracellular proteins and isolation and characterization of the amylase I (amy1) gene from Ophiostoma floccosum.


UV mutagenesis was applied to improve protein secretion in Ophiostoma floccosum. Amylase activity was used as an indicator for enhanced protein production after repeated rounds of mutagenic treatment. The amylase activity in the culture supernatant of the best mutant (MQ.5.1) was increased by more than 240-fold compared to the initial parental strain. At… (More)


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