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Article

Mutants of Citrobacter freundii that transport and utilize melibiose.

Journal of bacteriology - 1 Jul 1998

Okazaki N, Xu X J, Shimamoto T, Kuroda M, Wilson T H, Tsuchiya T

Abstract excerpt

We have isolated mutants of Citrobacter freundii that can grow on melibiose. Inducible alpha-galactosidase activity and melibiose transport activity were detected in the mutant cells but not in the wild-type cells. We detected a DNA region which hybridized with melB (the gene for the melibiose transporter) DNA of Escherichia coli in the chromosomal DNA of wild-type C. freundii. Protons, but not sodium ions, were...

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Identifiers

PMID: 9642207
DOI: 10.1128/JB.180.13.3480-3482.1998
PMCID: PMC107309

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Source receipt: pubmed, retrieved 7 Sept 2026.

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