using mass spectrometry identified
pertactin, adenylate cyclase hemolysin, pertussis toxin,
and the lipooligosaccharide (LOS) in OMVs isolated from
B. pertussis Tohama CIP 8132. Also, they tested the vesicles
as a vaccine; results showed that mice immunized with
B. pertussis OMVs were protected against the challenge
with B. pertussis virulent strain