Thioridazine protects the mouse from a virulent infection by serovar Typhimurium 74
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Salmonella enterica serovar Typhimurium mutants unable to convert malate to pyruvate and oxaloacetate are avirulent and immunogenic in BALB/c mice.
Previously, we showed that the Salmonella enterica serovar Typhimurium SR-11 tricarboxylic acid (TCA) cycle must operate as a complete cycle for full virulence after oral infection of BALB/c mice (M. Tchawa Yimga, M. P. Leatham, J. H. Allen, D. C. Laux, T. Conway, and P. S. Cohen, Infect. Immun. 74:1130-1140, 2006). In the same study, we showed that for full virulence, malate must be converted ...
متن کاملمقایسه پلیمورفیسم ژنومی و ارتباط ژنتیکی سویههای بالینی سالمونلا انتریکا سرووار تیفی موریوم در استان کرمان به روش ERIC- PCR و Box-PCR
Introduction: Salmonella is one of the most important causes of gastroenteritis in humans. Salmonella enterica Serovar Typhimurium has many hosts in addition to humans, and its prevalence in the community is high. The aim of the study was comparing the genetic diversity of Salmonella enterica serovar Typhimurium isolated from human fecal samples by both of ERIC-PCR and BOX-PCR method. Methods:...
متن کاملIgh-6(-/-) (B-cell-deficient) mice fail to mount solid acquired resistance to oral challenge with virulent Salmonella enterica serovar typhimurium and show impaired Th1 T-cell responses to Salmonella antigens.
In the present study we evaluated the role of B cells in acquired immunity to Salmonella infection by using gene-targeted B-cell-deficient innately susceptible mice on a C57BL/6 background (Igh-6(-/-)). Igh-6(-/-) mice immunized with a live, attenuated aroA Salmonella enterica serovar Typhimurium vaccine strain showed impaired long-term acquired resistance against the virulent serovar Typhimuri...
متن کاملNet replication of Salmonella enterica serovars Typhimurium and Choleraesuis in porcine intestinal mucosa and nodes is associated with their differential virulence.
Salmonella enterica is a facultative intracellular pathogen of worldwide importance and causes a spectrum of diseases depending on serovar- and host-specific factors. Oral infection of pigs with S. enterica serovar Typhimurium strain 4/74 produces acute enteritis but is rarely fatal, whereas serovar Choleraesuis strain A50 causes systemic disease with a high mortality rate. With a porcine ligat...
متن کاملAntibody is required for protection against virulent but not attenuated Salmonella enterica serovar typhimurium.
Resolution of infection with attenuated Salmonella is an active process that requires CD4(+) T cells. Here, we demonstrate that costimulation via the surface molecule CD28, but not antibody production by B cells, is required for clearance of attenuated aroA Salmonella enterica serovar typhimurium. In contrast, specific antibody is critical for vaccine-induced protection against virulent bacteri...
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تاریخ انتشار 2017