Lesions in two Escherichia coli type 1 pilus genes alter pilus number and length without affecting receptor binding.

Abstract excerpt

We describe the characterization of two genes, fimF and fimG (also called pilD), that encode two minor components of type 1 pili in Escherichia coli. Defined, in-frame deletion mutations were generated in vitro in each of these two genes. A double mutation that had deletions identical to both single lesions was also constructed. Examination of minicell transcription and translation products of parental and mutant...

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