Search Results - "Wallis, Timothy S."

Genomic tailoring of autogenous poultry vaccines to reduce Campylobacter from farm to fork by Calland, Jessica K., Pesonen, Maiju E., Mehat, Jai, Pascoe, Ben, Haydon, David J., Lourenco, Jose, Lukasiewicz, Barbara, Mourkas, Evangelos, Hitchings, Matthew D., La Ragione, Roberto M., Hammond, Philip, Wallis, Timothy S., Corander, Jukka, Sheppard, Samuel K.

“…Campylobacter is a leading cause of food-borne gastroenteritis worldwide, linked to the consumption of contaminated poultry meat. Targeting this pathogen at…”
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SiiE Is Secreted by the Salmonella enterica Serovar Typhimurium Pathogenicity Island 4-Encoded Secretion System and Contributes to Intestinal Colonization in Cattle by Morgan, Eirwen, Bowen, Alison J, Carnell, Sonya C, Wallis, Timothy S, Stevens, Mark P

“…Here we report that Salmonella enterica serovar Typhimurium pathogenicity island 4 carries a type I secretion system (siiCDF) which secretes an ~600-kDa…”
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Identification of Escherichia coli O157 : H7 genes influencing colonization of the bovine gastrointestinal tract using signature-tagged mutagenesis by Dziva, Francis, van Diemen, Pauline M, Stevens, Mark P, Smith, Amanda J, Wallis, Timothy S

“…Mammalian Enteric Pathogens Group, Division of Microbiology, Institute for Animal Health, Compton, Newbury, Berkshire RG20 7NN, UK Correspondence Timothy S…”
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Role in virulence and protective efficacy in pigs of Salmonella enterica serovar Typhimurium secreted components identified by signature-tagged mutagenesis by Carnell, Sonya C, Bowen, Alison, Morgan, Eirwen, Maskell, Duncan J, Wallis, Timothy S, Stevens, Mark P

“…1 Division of Microbiology, Institute for Animal Health, Compton, Berkshire RG20 7NN, UK 2 Department of Veterinary Medicine, University of Cambridge,…”
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Identification of Enterohemorrhagic Escherichia coli O26:H⁻ Genes Required for Intestinal Colonization in Calves by van Diemen, Pauline M, Dziva, Francis, Stevens, Mark P, Wallis, Timothy S

“…Enterohemorrhagic Escherichia coli (EHEC) infections in humans are an important public health problem and are commonly acquired via contact with ruminant…”
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Net Replication of Salmonella enterica Serovars Typhimurium and Choleraesuis in Porcine Intestinal Mucosa and Nodes Is Associated with Their Differential Virulence by Paulin, Susan M, Jagannathan, Aparna, Campbell, June, Wallis, Timothy S, Stevens, Mark P

“…Salmonella enterica is a facultative intracellular pathogen of worldwide importance and causes a spectrum of diseases depending on serovar- and host-specific…”
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Molecular basis of Salmonella-induced enteritis by Wallis, T.S. /u Institute for Animal Health, Compton, Berkshire, UK, Galyov, E.E

“…Salmonella pathogenesis is a complex and multifactorial phenomenon. Many genes required for full virulence in mice have been identified, but only a few of…”
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The Neuroendocrine Stress Hormone Norepinephrine Augments Escherichia coli O157:H7-Induced Enteritis and Adherence in a Bovine Ligated Ileal Loop Model of Infection by VLISIDOU, Isabella, LYTE, Mark, VAN DIEMEN, Pauline M, HAWES, Pippa, MONAGHAN, Paul, WALLIS, Timothy S, STEVENS, Mark P

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SopB, a Protein Required for Virulence of Salmonella dublin, is an Inositol Phosphate Phosphatase by Norris, F. Anderson, Wilson, Monita P., Wallis, Timothy S., Galyov, Edouard E., Majerus, Philip W.

“…Several proteins secreted by enteric bacteria are thought to contribute to virulence by disturbing the signal transduction of infected cells. Here, we report…”
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Systemic Translocation of Salmonella enterica Serovar Dublin in Cattle Occurs Predominantly via Efferent Lymphatics in a Cell-Free Niche and Requires Type III Secretion System 1 (T3SS-1) but Not T3SS-2 by Pullinger, Gillian D, Paulin, Susan M, Charleston, Bryan, Watson, Patricia R, Bowen, Alison J, Dziva, Francis, Morgan, Eirwen, Villarreal-Ramos, Bernardo, Wallis, Timothy S, Stevens, Mark P

“…Salmonella enterica is an important diarrheal pathogen, and infections may involve severe systemic sequelae depending on serovar- and host-specific factors…”
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Absence of All Components of the Flagellar Export and Synthesis Machinery Differentially Alters Virulence of Salmonella enterica Serovar Typhimurium in Models of Typhoid Fever, Survival in Macrophages, Tissue Culture Invasiveness, and Calf Enterocolitis by Schmitt, C K, Ikeda, J S, Darnell, S C, Watson, P R, Bispham, J, Wallis, T S, Weinstein, D L, Metcalf, E S, O'Brien, A D

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Identification of Salmonella enterica Serovar Dublin-Specific Sequences by Subtractive Hybridization and Analysis of Their Role in Intestinal Colonization and Systemic Translocation in Cattle by Pullinger, Gillian D, Dziva, Francis, Charleston, Bryan, Wallis, Timothy S, Stevens, Mark P

“…Salmonella enterica serovar Dublin is a host-restricted serovar associated with typhoidal disease in cattle. In contrast, the fowl-associated serovar S…”
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Mutation of toxB and a Truncated Version of the efa-1 Gene in Escherichia coli O157:H7 Influences the Expression and Secretion of Locus of Enterocyte Effacement-Encoded Proteins but not Intestinal Colonization in Calves or Sheep by STEVENS, Mark P, ROE, Andrew J, VLISIDOU, Isabella, VAN DIEMEN, Pauline M, LA RAGIONE, Roberto M, BEST, Angus, WOODWARD, Martin J, GALLY, David L, WALLIS, Timothy S

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Efa1 Influences Colonization of the Bovine Intestine by Shiga Toxin-Producing Escherichia coli Serotypes O5 and O111 by Stevens, Mark P, van Diemen, Pauline M, Frankel, Gad, Phillips, Alan D, Wallis, Timothy S

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Options for the control of enterohaemorrhagic Escherichia coli in ruminants by STEVENS, Mark P, VAN DIEMEN, Pauline M, DZIVA, Francis, JONES, Philip W, WALLIS, Timothy S

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First detection of infectious spleen and kidney necrosis virus (ISKNV) associated with massive mortalities in farmed tilapia in Africa by Ramírez‐Paredes, José Gustavo, Paley, Richard K., Hunt, William, Feist, Stephen W., Stone, David M., Field, Terence R., Haydon, David J., Ziddah, Peter A., Nkansa, Mary, Guilder, James, Gray, Joshua, Duodu, Samuel, Pecku, Emanuel K., Awuni, Joseph A., Wallis, Timothy S., Verner‐Jeffreys, David W.

“…In late 2018, unusual patterns of very high mortality (>50% production) were reported in intensive tilapia cage culture systems across Lake Volta in Ghana…”
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Analysis of Salmonella enterica Serotype-Host Specificity in Calves: Avirulence of S. enterica Serotype Gallinarum Correlates with Bacterial Dissemination from Mesenteric Lymph Nodes and Persistence In Vivo by PAULIN, Susan M, WATSON, Patricia R, BENMORE, Annette R, STEVENS, Mark P, JONES, Philip W, VILLARREAL-RAMOS, Bernardo, WALLIS, Timothy S

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Identification of host‐specific colonization factors of Salmonella enterica serovar Typhimurium by Morgan, Eirwen, Campbell, June D., Rowe, Sonya C., Bispham, Jennie, Stevens, Mark P., Bowen, Alison J., Barrow, Paul A., Maskell, Duncan J., Wallis, Timothy S.

“…Summary The severity of infections caused by Salmonella enterica serovar Typhimurium varies depending on the host species. Numerous virulence genes have been…”
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Salmonella enterica Serovar-Host Specificity Does Not Correlate with the Magnitude of Intestinal Invasion in Sheep by UZZAU, Sergio, LEORI, Guido S, PETRUZZI, Valentino, WATSON, Patricia R, SCHIANCHI, Giuseppe, BACCIU, Donatella, MAZZARELLO, Vittorio, WALLIS, Timothy S, RUBINO, Salvatore

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Intimin, Tir, and Shiga Toxin 1 Do Not Influence Enteropathogenic Responses to Shiga Toxin-Producing Escherichia coli in Bovine Ligated Intestinal Loops by STEVENS, Mark P, MARCHES, Olivier, CAMPBELL, June, HUTER, Veronika, FRANKEL, Gad, PHILLIPS, Alan D, OSWALD, Eric, WALLIS, Timothy S

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