the distribution of microtubules and microfilament bundles ( stress fibers or actin cables ) was examined in five such paired lines and in 3t3 and sv40-transformed 3t3 cells by indirect immunofluorescent microscopy of fixed cells treated with rabbit antibody prepared against bovine brain tubulin or guinea pig smooth muscle actin , respectively .
C0026046
microtubules
C0041348
tubulin