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Iron-regulated outer membrane proteins (IROMPs) of P. multocida serotype A3, which function as receptors for complexes containing iron ions, are induced by iron deficiency in the bacterial growth environment. Analysis of an electrophoresis image of proteins isolated from bacteria grown on medium supplemented with 2,2'-dipyridyl revealed expression of 16 new proteins that were not noted in the case...
Conglutinin, collectin-43 (CL-43) and collectin-46 (CL-46) are serum proteins characteristic for Bovidae. They belong to collectins - family of oligomeric proteins composed of trimeric subunits containing collagen-like sequences joined to C-type lectin domains. The genes encoding conglutinin, CL-43 and CL-46 are located on the bovine chromosome 28, and phylogenetic analysis indicates their common...
Mannheimia haemolytica leukotoxin (Lkt) is the major factor that contributes to lung injury in bovine pneumonic pasteurellosis. Supernatant preparations containing Lkt produced by M. haemolytica serotype 1, grown in RPMI 1640 medium supplemented with BSA or FBS and without supplements were evaluated during this study. Analysis of obtained Lkt showed presence of 105kDa antigen (SDS-PAGE electrophoresis)...
Heat shock proteins (hsp) are highly conserved and abundant proteins essential for cellular viability. They are constitutively expressed under normal growth conditions of cells, playing a role as molecular chaperones. Expression of hsp appears during mammalian embryogenesis. However, hsp are markedly induced by heat and other stress factors. Hsp as pathogen antigens induce defence immunological responses...
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