Secreted effector proteins of Salmonella enterica serotype typhimurium elicit host-specific chemokine profiles in animal models of typhoid fever and enterocolitis.
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Infection of bovine ligated loops with the Salmonella enterica serotype Typhimurium wild type but not a sipA sopABDE2 mutant resulted in fluid accumulation, polymorphonuclear cell infiltration, and expression of CXC chemokines, particularly GRO alpha. None of these sipA sopABDE2-dependent responses was observed in murine-ligated loops. The majority of GRO alpha transcripts localized to bovine intestinal epithelium. Thus, different disease outcomes between mice (i.e., no diarrhea) and calves (i.e., diarrhea) may be due to differences in sipA sopABDE2-dependent CXC chemokine gene expression in epithelial cells.
author list (cited authors)
Zhang, S., Adams, L. G., Nunes, J., Khare, S., Tsolis, R. M., & Bumler, A. J.
complete list of authors
Zhang, Shuping||Adams, L Garry||Nunes, Jairo||Khare, Sangeeta||Tsolis, Renée M||Bäumler, Andreas J