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Articles 1 - 2 of 2
Full-Text Articles in Medicine and Health Sciences
A Second Large Plasmid Encodes Conjugative Transfer And Antimicrobial Resistance In O119:H2 And Some Typical O111 Enteropathogenic Escherichia Coli Strains, Adaobi I. Nwaneshiudu, Tania Mucci, Derek J. Pickard, Iruka N. Okeke
A Second Large Plasmid Encodes Conjugative Transfer And Antimicrobial Resistance In O119:H2 And Some Typical O111 Enteropathogenic Escherichia Coli Strains, Adaobi I. Nwaneshiudu, Tania Mucci, Derek J. Pickard, Iruka N. Okeke
Student Papers, Posters & Projects
A novel and functional conjugative transfer system identified in O119:H2 enteropathogenic Escherichia coli (EPEC) strain MB80 by subtractive hybridization is encoded on a large multidrug resistance plasmid, distinct from the well-described EPEC adherence factor (EAF) plasmid. Variants of the MB80 conjugative resistance plasmid were identified in other EPEC strains, including the prototypical O111:NM strain B171, from which the EAF plasmid has been sequenced. This separate large plasmid and the selective advantage that it confers in the antibiotic era have been overlooked because it comigrates with the virulence plasmid on conventional gels.
Signaling Through Galphai2 Protein Is Required For Recruitment Of Neutrophils For Antibody-Mediated Elimination Of Larval Strongyloides Stercoralis In Mice., Udaikumar M. Padigel, Louis Stein, Kevin Redding, James J. Lee, Thomas J. Nolan, Gerhard A. Schad, Lutz Birnbaumer, David Abraham
Signaling Through Galphai2 Protein Is Required For Recruitment Of Neutrophils For Antibody-Mediated Elimination Of Larval Strongyloides Stercoralis In Mice., Udaikumar M. Padigel, Louis Stein, Kevin Redding, James J. Lee, Thomas J. Nolan, Gerhard A. Schad, Lutz Birnbaumer, David Abraham
Department of Microbiology and Immunology Faculty Papers
The heterotrimeric guanine nucleotide-binding protein Galphai2 is involved in regulation of immune responses against microbial and nonmicrobial stimuli. Galphai2-/- mice have a selectively impaired IgM response consistent with a disorder in B cell development yet have augmented T cell effector function associated with increased production of IFN-gamma and IL-4. The goal of the present study was to determine if a deficiency in the Galphai2 protein in mice would affect the protective immune response against Strongyloides stercoralis, which is IL-4-, IL-5-, and IgM-dependent. Galphai2-/- and wild-type mice were immunized and challenged with S. stercoralis larvae and analyzed for protective immune responses …