Fig 2. Induction of MPER- or S-layer protein-specific antibodies by oral immunization with L. acidophilus strains.
The antigen specific serum IgG and mucosal IgA were titrated by ELISA. Each symbol represents an individual mouse. Values under detection limit (2 for IgG and 1 for IgA) are not shown in the chart. *P<0.05 (Steel-Dwass test).