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采用定向推理筛选方法对龟裂链霉菌原生质体进行诱变筛选得到 346 #菌株 ,其复筛时比对照产量高 7% ,而在 6 0吨大罐上连续发酵 9批 ,发酵指数比对照高了 13%。
346 # strains were obtained by mutagenesis screening of protoplasts of Streptomyces fission by directional inference screening method. The results showed that the yield of 346 # strains was 7% higher than that of the control when it was re-screened, while 9 batches were continuously fermented on 60 tons of pots. The fermentation index was higher than that of the control 13%.