1、This bacterial strain is an auxotroph for amino acids, requiring them to be provided in the growth medium.
这种细菌株对氨基酸是辅助营养物质,需要在培养基中提供。
2、Mutations in the gene responsible for synthesis of a particular enzyme can result in an auxotroph phenotype.
负责合成特定酶的基因突变可以导致辅助生物表型。