Induction of a high-yield lovastatin mutant of Aspergillus terreus by ¹²C⁶⁺ heavy-ion beam irradiation and the influence of culture conditions on lovastatin production under submerged fermentation.

Abstract excerpt

Heavy-ion beams, possessing a wide mutation spectrum and increased mutation frequency, have been used effectively as a breeding method. In this study, the heavy-ion beams generated by the Heavy-Ion Research Facility in Lanzhou were used to mutagenize Aspergillus terreus CA99 for screening high-yield lovastatin strains. Furthermore, the main growth conditions as well as the influences of carbon and nitrogen...

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