Mutants of Streptomyces avermitilis lacking ability to produce glycosylated avermectins and lacking branched-chain 2-oxo acid dehydrogenase activity, method for preparation thereof, and use thereof to produce natural and non-natural avermectin aglycones useful as parasiticides.
缺乏生产糖基化
阿维菌素能力和缺乏支链 2-氧代酸脱氢酶活性的
阿维菌素链霉菌突变体、其制备方法以及利用其生产可用作杀寄生虫剂的天然和非天然
阿维菌素苷元的方法。