essential genes造句

• Previously, four essential genes and a portion of fosfomycin's biosynthetic pathway had been proposed, but researchers were unable to produce fosfomycin in a non-native host
  之前的研究只是提出4个必需基因和一部分磷霉素生物合成途径，但是不能在非天然宿主体内制备磷霉素。
• Banerjee and his students identified 501 essential genes responsible for processes such as repair, cell death, and cell replication in the fruit fly's developing eye
  简译美国霍华德-休斯医学研究所的一名教授和他的138名学生日前发表了一份研究报告。这份报告首次确定了在果蝇眼睛的形成及发育过程中一些必不可少的重要基因。