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Updated: Jun 26, 2026

Analysis of Yersinia enterocolitica Effector Translocation into Host Cells Using Beta-lactamase Effector Fusions
Published on: October 13, 2015
Protection against Yersinia pseudotuberculosis infection conferred by a Lactococcus lactis mucosal delivery vector
Catherine Daniel1, Florent Sebbane, Sabine Poiret
1Laboratoire des Bactéries Lactiques et Immunité des Muqueuses, Institut Fédératif de Recherche 142, Institut Pasteur de Lille, Lille F-59021, France. catherine.daniel@ibl.fr
Abstract:
Herein, we sought to evaluate the potential of a recombinant Lactococcus lactis strain secreting the Yersinia pseudotuberculosis low-calcium response V (LcrV) antigen for mucosal vaccination against Yersinia infections. We showed that the recombinant strain induced specific systemic and mucosal antibody and cellular immune responses after intranasal immunization and protected mice against both oral and systemic Y. pseudotuberculosis infections. This constitutes the first proof of principle for a novel anti-Yersinia mucosal vaccination strategy using recombinant lactic acid bacteria.
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