Fig. 6. Formation of macropinosomes is normal in lvsA mutant cells. Wild-type (A) and lvsA mutant cells (B) grown in HL5 medium were observed in phase contrast with a Zeiss Axiovert 100 microscope. Pictures were recorded every 10 seconds. In both series of pictures the cells can be seen to extend pseudopods and form macropinosomes with similar morphologies and kinetics.