Confocal micrograph showing Shigella bacteria (pink) invading the intestinal lining. The bacteria infects the cells by high-jacking the cell's internal actin skeleton (green) to facilitate its entry i...

Cultured growth cone (NG108) labeled for F-actin with phalloidin (red) and conformationally activated beta1 integrin adhesion receptors with 9EG7 antibody (green). The adhesion molecules at the tips ...