Institution: | (1) Institut für Genbiologische Forschung Berlin GmbH, Ihnestra e 63, W-1000 Berlin 33, FRG;(2) Present address: National Institute of Resources, 305 Tsukuba Ibaraki, Japan;(3) Present address: Waksman Institute of Microbiology, The State University of New Jersey, PO Bon 759, 08855-0759 Piscataway, NJ, USA;(4) Present address: Max-Planck-Institut für Züchtungsforschung, Carl-von-Linné-Weg 10, W-5000 Köln 30, FRG |