Aphidicolin is an inhibitor of DNA polymerase α and δ, prevents mitotic cell division by interfering with the activity of DNA polymerase^[1]. Aphidicolin is an antibiotic produced by the mold Cephalosporium aphidicola. Aphidicolin is a potent inhibitor of cellular deoxyribonucleic acid synthesis and inhibits the growth of herpes simplex virus^[2]. Aphidicolin potentiates apoptosis induced by arabinosyl nucleosides in a human promyelocytic leukemia cell line^[3].