Restriction and modification in Bacillus subtilis: Expression of the cloned methyltransferase gene from B. subtilis phage SPR in E. coli and B. subtilis
(1) Max-Planck-Institut für molekulare Genetik, Ihnestrasse 63/73, D-1000 Berlin 33;(2) Present address: Department de Biochemie Medicale, Centre Medical Universitaire Genève, 21 rue Lombard, CH-1211 Genève 4, Switzerland