... Della Fazia4 and Giuseppe Servillo41Department of Internal Medicine, University of Perugia, Italy;2Department of Pharmacological Sciences, University of Milan,Italy;3Department of Biochemical ... UniversitaÁÔLa SapienzaÕ Roma, Italy;4Department of Biochemical Sciences and Molecular Biotechnology, University of Perugia, ItalyBiosynthesis of cholesterol represents one of the funda-mental cellular ... from y east [7±9] and fungi[10]. Gene c loning of D14-SR from Ara bidopsis thaliana and analysis o f m utants has h ighlighted the role of theprotein in cell growth and embryonic development of...