Plasmids pRecAgfp and pUvrAgfp were constructed after DNA damage-inducible promoters of recA and uvrA from Escherichia coli were fused to the reporter gene gfpmut3a operon.

• 将报告基因绿色荧光蛋白基因(gfpmut3a)分别置于recA和uvrA启动子调控下；构建成质粒pRecAgfp和pUvrAgfp；并转化E.