Fig. 3From: Production of a recombinant phospholipase A2 in Escherichia coli using resonant acoustic mixing that improves oxygen transfer in shake flasksTEM micrographs of cross-sections of E. coli BL21-Gold (DE3)–rPLA2. Samples were harvested 13 h post-induction (17 h of culture). Scale bars of 2 µm (top micrographs) and scale bars of 0.5 µm (bottom micrographs). a 200 rpm. b 7.5g. c 12.5g. d. 20g. Inclusion bodies are marked with black arrowheads Back to article page