1Laboratory of Molecular Biology, National Institute of Arthritis, Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Building 2, room 319, Bethesda, MD 20205, U.S.A.
2Istituto di Chimica Biologica, Università di Padova, Via Marzolo, 3 35100 Padova, Italy
3Istituto ed Orto Botanico, Università di Bologna, Via Irnerio 42, 126 Bologna, Italy
4Dipartimento di Fisica, Università della Calabria, 87 036 Cosenza, Italy
5C.N.R. Unit for Physiology of Mitochondria, Università di Padova, Via Loredan 16, 35100 Padova, Italy
6Department of Botany and Microbiology, University College of Wales, Aberystwyth, Dyfed SY23 3DA, U.K.