1·Traditional methods of genetic improvement such as classical mutagenesis and conjugation can be applied to improve the quality of microbial cultures.
遗传改良的传统方法，如传统诱变和接合作用可用于提高微生物培养物的质量。
2·A competing theory is that a mutagenesis drug may eradicate a virus or bacterial population by reducing the fitness to negative values.
一个竞争性的理论是诱变药物通过降低对负面价值的适应性而根除病毒或细菌群体。
3·This review summarizes the approaches to ENU mutagenesis phenotype screens and their role in the identification of new deaf genes in recent years.
本文对近年采用ENU诱变表型筛选的方法和在确定新的耳聋基因中的作用进行概述。
4·The results indicated that space mutagenesis might provided a new way for edible fungus breeding.
以上结果表明，空间诱变可能为食用菌的遗传育种提供新途径。
5·This paper would explore the mutagenesis of Rhizobium mutants resistant to kasugamycin, and analyse the nodulation and fixation nitrogen character of the mutants.
本文将探讨诱变对根瘤菌抗春雷霉素突变的作用，并对获得的抗性突变株的生物固氮特性进行分析。