Assessment of the Expression of Brucella Abortus Heat Shock Protein, Groel, in Vaccinia Virus to Induce Protection Against a Brucella Challenge in Balb/C Mice

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dc.contributor.authorBaloglu, Simgeen
dc.contributor.committeechairBoyle, Stephen M.en
dc.contributor.committeememberSriranganathan, Nammalwaren
dc.contributor.committeememberSchurig, Gerhardt G.en
dc.contributor.committeememberToth, Thomas E.en
dc.contributor.departmentVeterinary Medical Sciencesen
dc.date.accessioned2014-03-14T20:52:16Zen
dc.date.adate1997-08-29en
dc.date.available2014-03-14T20:52:16Zen
dc.date.issued1997-07-08en
dc.date.rdate2012-06-08en
dc.date.sdate1997-07-08en
dc.description.abstractB. abortus is an intracellular facultative bacterial pathogen which causes abortion in cattle and undulant fever in humans. Cattle vaccines such as B. abortus strains 19 and RB51 are live vaccine strains which protect approximately 75% of the vaccinated animals. No effective vaccines are available for the prevention of brucellosis in humans. We are developing vaccinia virus recombinants expressing various B. abortus proteins to prevent brucellosis in susceptible mammalian species. In this work the B. abortus groEL gene encoding the antigenic heat shock protein GroEL was subcloned into vaccinia virus via homologous recombination. Expression of the GroEL protein in vaccinia infected cells in-vivo was confirmed by immunoblotting. Groups of 5 female BALB/C mice were injected with the vaccinia recombinant or appropriate positive and negative control vaccines. Mice were bled and their humoral immune responses assessed. In addition, mice were challenged with virulent B. abortus strain 2308 and protection measured by the rate of splenic clearance of live Brucella. In spite of demonstrating specific GroEL antibodies in recombinant vaccinia injected mice, no significant level of protection was demonstrable. Preliminary lymphocyte transformation assays were carried out to establish if a cell mediated immune response to GroEL was induced in the vaccinated animals.en
dc.description.degreeMaster of Scienceen
dc.identifier.otheretd-72997-112754en
dc.identifier.sourceurlhttp://scholar.lib.vt.edu/theses/available/etd-72997-112754/en
dc.identifier.urihttp://hdl.handle.net/10919/36943en
dc.publisherVirginia Techen
dc.relation.haspartetd.pdfen
dc.rightsIn Copyrighten
dc.rights.urihttp://rightsstatements.org/vocab/InC/1.0/en
dc.subjectchaperoninsen
dc.subjectattenuated live vaccinesen
dc.subjectbrucellosisen
dc.titleAssessment of the Expression of Brucella Abortus Heat Shock Protein, Groel, in Vaccinia Virus to Induce Protection Against a Brucella Challenge in Balb/C Miceen
dc.typeThesisen
thesis.degree.disciplineVeterinary Medical Sciencesen
thesis.degree.grantorVirginia Polytechnic Institute and State Universityen
thesis.degree.levelmastersen
thesis.degree.nameMaster of Scienceen

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