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Infect Immun
March 2024
Department of Veterinary Biomedical Sciences, College of Veterinary Medicine, Long Island University, Brookville, New York, USA.
is one of the predominant bacterial pathogens responsible for bovine respiratory and systemic diseases in cattle. Despite the identification of numerous virulence factors, little is known about the regulation of such factors. The post-transcriptional regulatory protein Hfq may play a crucial role in regulation of components that affect bacterial virulence.
View Article and Find Full Text PDFVet Med (Auckl)
January 2024
Ethiopian Institute of Agricultural Research, Tepi Agricultural Research Center, Tepi, Ethiopia.
Dairy farming faces a significant challenge of bacterial infections in dairy calves, which can have detrimental effects on their health and productivity. This review offers a comprehensive overview of the most prevalent bacterial infections in dairy calves, including , and . These pathogens can cause various clinical signs and symptoms, leading to diarrhea, respiratory distress, septicemia, and even mortality.
View Article and Find Full Text PDFVet Microbiol
December 2021
Department of Biomedical Sciences and Pathobiology, Virginia-Maryland College of Veterinary Medicine, Virginia Tech, Blacksburg, VA, 24061, United States; Department of Veterinary Biomedical Sciences, College of Veterinary Medicine, Long Island University, Brookville, NY, 11743, United States. Electronic address:
UspE is a global regulator in Escherichia coli. To study the function of Histophilus somni uspE, strain 2336::TnuspE was identified from a bank of mutants generated with EZ::Tn5™
Vet Clin North Am Food Anim Pract
July 2020
Ruminant Business Unit, Newport Laboratories, A Boehringer Ingelheim Animal Health Company, 1520 Prairie Drive, Worthington, MN 56187, USA. Electronic address:
Histophilus somni is associated with several disease syndromes in cattle and plays an important role in the bovine respiratory disease complex. H somni isolates exhibit significant differences in terms of susceptibility to inactivation by normal serum corresponding to the general ability to cause clinical disease. Isolates possess a variety of virulence factors, and variation in virulence factor expression is well recognized and associated with antigenic differences.
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