Escherichia coli UTL2
Description: A "leaky" strain of E. coli, which is significantly more susceptible to cytotoxic agents. UTL2 holds a mutation in the galU gene causing an impaired outer membrane.
Reference: B?j? O, Bibi E. 1996. Functional expression of mouse Mdr1 in an outer membrane permeability mutant of Escherichia coli. Proc Natl Acad Sci U S A 93(12):5969-74.