Fig. 4. Nanoparticle size analysis of outer-membrane vesicles (OMVs) isolated from Vibrio fischeri.
a Concentrations of OMVs in V. fischeri wild-type (ES114) and motility mutants (motB1 and flhA) under gravity (light gray) and low-shear modeled microgravity (LSMMG, dark gray) conditions. b Average diameter of OMVs at 12, 14, and 16 h of incubation under gravity (light gray) and LSMMG (dark gray) conditions. Error bars indicate the standard error of the mean. Asterisks indicate significant differences between the data sets (p < 0.05; Mann–Whitney U test).