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Jonathan G. Frye

Researcher at United States Department of Agriculture

Publications -  141
Citations -  7135

Jonathan G. Frye is an academic researcher from United States Department of Agriculture. The author has contributed to research in topics: Salmonella enterica & Salmonella. The author has an hindex of 38, co-authored 131 publications receiving 5845 citations. Previous affiliations of Jonathan G. Frye include University of Washington & University of Georgia.

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Regulation of Salmonella typhimurium virulence gene expression by cationic antimicrobial peptides

TL;DR: This study shows that exposure of S. typhimurium to sublethal concentrations of CAMP activates the PhoP/PhoQ and RpoS virulence regulons, while repressing the transcription of genes required for flagella synthesis and the invasion‐associated type III secretion system.
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Gene expression patterns during swarming in Salmonella typhimurium: genes specific to surface growth and putative new motility and pathogenicity genes

TL;DR: It is reported here the identification of putative new genes involved in motility and virulence, as judged by differential regulation of nearly one‐third of the functional genome in bacteria growing on the surface of agar.
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Co‐regulation of Salmonella enterica genes required for virulence and resistance to antimicrobial peptides by SlyA and PhoP/PhoQ

TL;DR: The absence of almost all SlyA‐activated genes from the Escherichia coli K12 genome suggests that the functional linkage between the SlyA and PhoP/PhoQ regulatory systems arose as Salmonella evolved its distinctive pathogenic lifestyle.
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Global regulation by CsrA in Salmonella typhimurium.

TL;DR: Results show that csrA controls a number of gene classes in addition to those required for invasion, some of them unique to Salmonella, and suggests a co‐ordinated bacterial response to conditions that exist at the site of bacterial invasion, the intestinal tract of a host animal.