Lactose permeation via the arabinose transport system in Escherichia coli K-12.

Abstract

This paper describes the isolation and characterization of a mutant of Escherichia coli that transports lactose and its analog thiomethylgalactoside via the arabinose permeation system. Unlike transport via the lactose permease, this transport is not inhibited by thiodigalactoside, but was inhibited by arabinose, xylose, and fucose. The site of the mutation… (More)

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