Rev1 wbdR tagged vaccines against Brucella ovis

Sheep brucellosis is a worldwide extended disease caused by B. melitensis and B. ovis, two species respectively carrying smooth or rough lipopolysaccharide. Vaccine B. melitensis Rev1 is used against B. melitensis and B. ovis but induces an anti-smooth-lipopolysaccharide response interfering with B....

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Authors: Aragón-Aranda, Beatriz; De Miguel, María Jesús; Martínez-Gómez, Estrella; Zúñiga-Ripa, Amaia; Salvador-Bescós, Miriam; Moriyón, Ignacio; Iriarte, Maite; Muñoz, Pilar M.; Conde-Álvarez, Raquel
Format: Article
Status:Published version
Publication date:2019
Country:España
Institution:Universidad de Zaragoza
Repository:Zaguán. Repositorio Digital de la Universidad de Zaragoza
OAI Identifier:oai:zaguan.unizar.es:87634
Online Access:http://zaguan.unizar.es/record/87634
Access Level:Open access
Summary:Sheep brucellosis is a worldwide extended disease caused by B. melitensis and B. ovis, two species respectively carrying smooth or rough lipopolysaccharide. Vaccine B. melitensis Rev1 is used against B. melitensis and B. ovis but induces an anti-smooth-lipopolysaccharide response interfering with B. melitensis serodiagnosis, which precludes its use against B. ovis where B. melitensis is absent. In mice, Rev1 deleted in wbkC (Brucella lipopolysaccharide formyl-transferase) and carrying wbdR (E. coli acetyl-transferase) triggered antibodies that could be differentiated from those evoked by wild-type strains, was comparatively attenuated and protected against B. ovis, suggesting its potential as a B. ovis vaccine.

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