Bacterial strain with protease and LacZ deficiency

Yanwen Guo gyanwen at BMB-FS1.BIOCHEM.OKSTATE.EDU
Tue Apr 1 11:53:34 EST 1997

Hi. Folks,

I need a kind of E.coli strain with both deletion of the lon protease 
gene and the LacZ gene, and this strain should be Ampicillin 
sensitive. Anybody knows the source of this kind of strain, please 
give me your your precious suggestions and kind assistance.


Yanwen Guo

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