promoterless reporter gene

Ji Qiu qiuji at
Thu Nov 11 19:36:37 EST 1999

I am looking for a vector with a promoterless reporter gene(like lacZ or
luxAB) to study the transcriptional regulation of an E. coli gene. Has
anybody used this kind of vectors before? What is a good choice? Is there
any commercially availale one? Thanks.

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