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J Bacteriol. 1981 September; 147(3): 920-924

High-affinity arabinose transport mutants of Escherichia coli: isolation and gene location.

ABSTRACT

The gene araF, the product of which is the L-arabinose-binding protein--a component of the high-affinity L-arabinose transport system, was located on the Escherichia coli linkage map at 45 min. We established this location using bacteriophage P2 eductates and bacteriophage P1 cotransduction frequencies with the adjacent genetic loci, his (histidine biosynthesis) and mgl (methylgalactoside transport). In addition, we isolated a number of mutants that phenotypically exhibited altered high-affinity L-arabinose transport capacities. At least two of these mutations were located in the araF gene, as binding protein purified from these strains exhibited altered in vitro arabinose-binding properties.

This article has been cited by other articles:

• Berlyn, M. K. B. (1998). Linkage Map of Escherichia coli K-12, Edition 10: The Traditional Map. Microbiol. Mol. Biol. Rev. 62: 814-984 [Abstract] [Full Text]