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Adherence of Salmonella strains to HEp-2 cells in vitro. (a) S. Typhimurium SL1344 H3 (Fim−). (b) S. Typhimurium SL1344 H3 transformed with empty cloning vector pGEM (Fim−). (c) S. Typhimurium SL1344 H3 transformed with the fimH gene cloned from S. Typhimurium DMSO 01 (Fim+). (d) S. Typhimurium SL1344 H3 transformed with the fimH gene from S. Typhimurium 4250 (Fim+).
