sentences:  His initial research at the University of Melbourne investigated the immunochemistry of antigens of "Taenia taeniaeformis" and "Echinococcus granulosus".Subsequently he was a member of a team of scientists that developed a vaccine against "Taenia ovis" infection in sheep, the first recombinant vaccine against a parasitic disease.In 1989 Lightowlers took over leadership of the molecular parasitology research laboratories at the University of Melbourne and began applying the lessons learnt with "T. ovis" to the development of similar vaccines against infection with the larval stages of other cestode parasites.