The release of vesicles from P. aeruginosa
was observed after the treatment with gentamicin
in 1993 (Kadurugamuwa et al. 1993). Later, peptidoglycan
hydrolases were detected in P. aeruginosa OMVs,
and those vesicles were able to lyse E. coli, and S. aureus
cells (Kadurugamuwa and Beveridge 1996). Schooling and
Beveridge observed that P. aeruginosa OMVs were a common
biofilm constituents