Correction: The role of coupled positive feedback in the expression of the SPI1 type three secretion system in Salmonella.

Salmonella enterica serovar Typhimurium is a common food-borne pathogen that induces inflammatory diarrhea and invades intestinal epithelial cells using a type three secretion system (T3SS) encoded within Salmonella pathogenicity island 1 (SPI1).The genes encoding the SPI1 T3SS are tightly regulated by a network of interacting transcriptional regul

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Pharmacoeconomic Analysis of Heartworm Preventive Compliance and Revenue in Veterinary Practices in the United States

Background: Heartworm disease (HWD) is a potentially fatal condition caused by the nematode Dirofilaria immitis.It is endemic in North America, and the American Heartworm Society recommends that owned dogs be on a Food and Drug Administration-approved HWD preventive year-round.The objective of this study was to compare the 12-month HWD preventive p

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