, Department of Biosciences, Biotechnologies and Biopharmaceutics, University of Bari "A. Moro", Via E. Orabona, 4, 70125 Bari and IBIOM, Biomembrane, Bioenergetica e Biotecnologie Molecolari, CNR, Via Giovanni Amendola 165/A - 70126 Bari, Italy