结果：得到一种抗生素生物合成能力异常的突变株。
Result:To get a mutant whose antibiotics biosynthesis ability is abnormality.
利用突变的微生物、加工酶及新颖的酶的复合，可以提高产量，也可以探索出新式合成方法。
Increased production or novel product synthesis can be achieved through the use of mutant organisms, tailored enzymes or novel combinations of enzymes in reactors.
道拉菌素是利用生物突变合成方法得到的新型阿维菌素族广谱抗寄生虫药。
Doramectin, which is manufactured by mutational biosynthesis method, is a novel avermectin derivative.
目前报道的生物素酶基因突变超过80余种，全羧化酶合成酶基因突变20多种。
Thus far more than 80 mutations in the gene of biotinidase and more than 20 mutations in the holocarboxylase synthetase gene have been reported.
通过上述分析方法研究了不同光受体突变对木质素生物合成的影响。
We investigated the effects on lignin biosynthesis in different light receptor mutants through above methods.
道拉菌素是利用生物突变合成方法得到的新型阿维菌素族广谱抗寄生虫药。
It is a broad spectrum antiparasitic agent having utility as anthelmintics, ectoparasiticides and acaricides.
本发明还涉及螺旋霉素生物合成途径的基因用于构建能够导致新抗生素合成或螺旋霉素衍生形式合成的突变体的用途。
The invention also concerns the use of genes in spiramycin biosynthesis process for constructing mutants capable of leading to synthesis of novel antibiotics or derivative forms of spiramycin.
本发明还提供了编码参有GPI生物合成的蛋 白的简并突变体DNA，该DNA比天然DNA具有更低的AT含量。
The present invention also provides degenerate mutant DNAs encoding proteins involved in GPI biosynthesis, and which have a lower AT content than the original DNAs.
本发明还提供了编码参有GPI生物合成的蛋 白的简并突变体DNA，该DNA比天然DNA具有更低的AT含量。
The present invention also provides degenerate mutant DNAs encoding proteins involved in GPI biosynthesis, and which have a lower AT content than the original DNAs.
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