G. Thedei Jr., D.P.S. Leitão, M. Bolean, T.P. Paulino, A.C.C. Spadaro and P. Ciancaglini. Toluene permeabilization differentially affects F- and P-type ATPase activities present in the plasma membrane of Streptococcus mutans. Braz J Med Biol Res 2008; 41: 1047-1053.
Figure 1. Electron micrographs showing the effect of toluene on Streptococcus mutans. A and B, Not-treated. C and D, Treated with toluene. Magnification bar: 300 nm in A and C, 100 nm in B and D. Notice severe injury of both cell wall and plasma membrane in most of the cells.