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Detection of MisL expression in serotype Typhimurium strain LT2 by Western blotting. A plasmid in which the arabinose promoter drives the expression of a promoterless marT gene (pCT6) was introduced into strain LT2, and the bacteria were grown in the presence of the l-arabinose concentrations indicated on the right. The presence of an approximately 100-kDa protein band corresponding to MisL is indicated by an arrow.
