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To improve fermentative production of enduracidin, heavy‐ion beams generated by the Heavy Ion Research Facility in Lanzhou (HIRFL), China, were employed for the first time to generate mutations in Streptomyces fungicidicus. Initial screening detected 44 positive mutants with larger inhibition zone, which were subsequently tested based on flask fermentation. Finally, 20 mutants showed 20% increase...
The aim of this study was to improve l‐lactic acid production of Lactobacillus thermophilus SRZ50. For this purpose, high efficient heavy‐ion mutagenesis technique was performed using SRZ50 as the original strain. To enhance the screening efficiency for high yield l‐lactic acid producers, a scale‐down from shake flask to microtiter plate was developed. The results showed that 24‐well U‐bottom MTPs...
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