We are grateful to Dr Jean P. Euze´by of the Ecole Nationale nVe´te´rinaire, Toulouse, for his suggestions regarding the etymology of the species epithet. We thank H. Sakon and K. Manabe for their advice and help with the quinone analysis, K. Kimura, Y. Mori and T. Yamada for the cell sugar analysis and M. Ando and C. Hata for helping with the electron micrographs. We also thank Drs Ryuichiro Tanaka and Haruji Sawada for their understanding and encouragement
through our research activities