 character bacillu subtili bacteriophag brodetski anna univers california lo angel romig character bacillu subtili bacteriophag bacteriol 90 1655-1663 1965 --a group phage sp5 sp6 sp7 sp8 sp9 sp13 marburg strain bacillu subtili host character phage refer group 1 examin properti host rang plaqu morpholog stabil adsorpt kinet on-step growth characterist calcium requir serum neutral thermal inactiv inactiv ultraviolet irradi unrel subtili phage sp3 sp10 pb1 sp alpha sp beta includ studi isol group 1 phage replic effici subtili sb19 mutant transform subtili 168 host rang mutant capabl growth sb19 isol group 1 phage sp13 design star phage sp5 sp9 character sb19 host star phage subtili mutant 168b host sp13 