Intraspecific and interspecific hybridization of Mucor pusillus and M. miehei by protoplast fusion [to develop a breeding system for the microbial rennin-producing Mucorales fungi]

additif additif alimentaire additives aditivos aditivos alimentarios breeding breeding methods champignon enzyme preparations food additives fungi hybridation hybridizing methode methods moho moisissure moulds mucor plantas plante plants protoplasm protoplasma protoplasme symptome symptoms