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Vitamin E supplementation of newly arrived feedlot calves
(Journal of Animal Science, 2005)
Seven hundred fifteen crossbred (primarily British) calves purchased in southern Oklahoma and northern Texas auction barns were received at the Willard Sparks Beef Research Center, Stillwater, OK, and used to study effects ...
Transmembrane pore size and role of cell swelling in cytotoxicity caused by Pasteurella haemolytica leukotoxin
(Infection and Immunity, 1989-02)
Pasteurella haemolytica A1 leukotoxin causes rapid (5 to 15 min) leakage of intracellular K+ and cell swelling and slower (15 to 60 min), Ca2+-dependent formation of large plasma membrane defects (~100 nm) and leakage of ...
Bartonella henselae Pap31, an extracellular matrix adhesin, binds the fibronectin repeat III13 module
(Infection and Immunity, 2006-05)
Bartonella henselae wound-associated infections suggest involvement of extracellular matrix molecules in adhesion and invasion. Pap31 was previously identified as a hemin-binding protein. Our recent studies suggest the ...
Characterization of immunodominant and potentially protective epitopes of Mannheimia haemolytica serotype 1 outer membrane lipoprotein PlpE
(Infection and Immunity, 2004-12)
Mannheimia haemolytica serotype 1 (S1) is the most common bacterial isolate found in shipping fever pneumonia in beef cattle. Currently used vaccines against M. haemolytica do not provide complete protection against the ...
Purification and partial characterization of the OmpA family of proteins of Pasteurella haemolytica
(Infection and Immunity, 1997-01)
This study was conducted to partially characterize and identify the purity of two major outer membrane proteins (OMPs) (with molecular weights of 32,000 and 35,000 [32K and 35K, respectively]) of Pasteurella haemolytica. ...
Pasteurella haemolytica antigens associated with resistance to pneumonic pasteurellosis
(Infection and Immunity, 1989-03)
Antigens associated with whole Pasteurella haemolytica biotype A serotype 1, a capsular arbohydrateprotein extract of the organism, and P. haemolytica leukotoxin were separated by sodium dodecyl sulfatepolyacrylamide gel ...
Enzyme-linked immunosorbent assay for detection of serum antibodies to Pasteurella haemolytica cytotoxin (leukotoxin) in cattle
(Journal of Clinical Microbiology, 1986-08)
An enzyme-linked immunosorbent assay (ELISA) was developed for detection of bovine serum antibodies to the cytotoxin (leukotoxin) of Pasteurela haemolytica. A partially purified, cytotoxic, and immunogenic protein obtained ...
Effect of repeated in vitro transfer of Pasteurella haemolytica A1 on encapsulation, leukotoxin production, and virulence
(Journal of Clinical Microbiology, 1987-01)
Pasteurella haemolytica serotype 1 was transferred daily for 128 serial passages on both unsupplemented brain heart infusion agar and the same basal medium supplemented with bovine blood, horse serum, and yeast extract. ...
Demonstration of age-dependent capsular material on Pasteurella haemolytica serotype 1
(Journal of Clinical Microbiology, 1982-12)
Extracellular capsular material was demonstrated on early log-phase cells of Pasteurella haemolytica serotype 1 by the fluorescent-antibody and several capsular staining techniques. The presence of this material was shown ...
Simple visual assay for determination of Pasteurella haemolytica cytotoxin neutralizing antibody titers in cattle sera
(Journal of Clinical Microbiology, 1985-12)
A simple visual assay is described for determining the capacity of bovine serum to neutralize the cytotoxin produced by Pasteurella haemolytica serotype 1. The test was reproducible from day to day with different target ...