1. Biotechnology Research Center, Toyama Prefectural University, 5180 Kurokawa, Imizu, Toyama 939-0398, Japan
2. Graduate School of Agricultural Science, Tohoku University, Tsutsumidori-Amamiyamachi, Aoba-ku, Sendai 981-8555, Japan
3. Departmento de Microbiologia y Genetica, Edificio Departamental Lab. 205, Campus Miguel de Unamuno, Universidad de Salamanca, 37007 Salamanca, Spain
4. Department of Bioscience, Institute of Natural Medicine, University of Toyama, 2630 Sugitani, Toyama 930-0194, Japan