Affiliation: | Laboratory of Forest Botany, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Yayoi 1–1–1, Bunkyo-ku, Tokyo 113–8657, Japan; Equipe de Microbiologie Forestière, Centre de Recherche de Nancy, Institut National de la Recherche Agronomique, 54280 Champenoux, France; Author for correspondence. Present address: Department of Plant and Microbial Sciences, The University of Canterbury, Private Bag 4800, Christchurch, New Zealand (fax +64 3 364 2083). |