Sorry, but I have had problems to attach the figure Thanks in advance Virginia Dra. María Virginia Bianchinotti Laboratorio de Estudios Básicos y Biotecnológicos en Algas y Hongos (LEBBAH) CERZOS-CONICET Edificio E-1, CRIBABB (CONICET) - Camino La Carrindanga, Km 7. Tel: 54 (0291) 4861124, Fax: 54 (0291) 4861527 8000 - Bahía Blanca. ARGENTINA