590 



BACTERIOPHAGES 



Staphylococcal phage R {continued) 

 purification, 56 

 size, 40 

 Staphylococcal phage PI 4, phenoty- 



pic modification, 296 

 Staphylococcal phage 42, mutants, 



131 

 Staphylococci, adsorption of bacterio- 

 phage to, 138 

 bacteriophage of, 2, 3 

 infection effect on, 1 92 

 Staphylococcus species, lysogeny in, 366 

 Staphylococcus aureus phages, isolation, 

 449 

 typing by, 418 

 Staphylococcus aureus strains, typing, 



416-18 

 Staphylococcus muscae phage, size and 



weight, 47 

 Stilbamidine, effect on bacterio- 

 phage reproduction, 285 

 Streptococcal phages, growth factors, 

 235 

 neutralization, 1 1 

 reproduction, inhibition, 279 

 taxonomic criteria, 424 

 Streptococcal phage B, inactivation, 



79 

 Streptococcal phage C, inactivation, 



79 

 Streptococcal phage D, inactivation, 



79 

 Streptococcus species, 121 

 Streptococcus lactis phage, morphology 



in electron microscope, 36 

 Streptomyces phage, growth factors, 



235 

 Streptomyces ?,\>^€\'t?,, 121 

 Streptomyces griseus, photoreactivation, 



70 

 Streptomyces griseus phage, morphology 

 in electron microscope, 36 



Streptomycin, effect on bacterio- 

 phage reproduction, 285, 522 

 eff"ect on superinfection breakdown, 

 214,215 

 Sulfa-acridine, effect on bacterio- 

 phage reproduction, 279 

 Sulfanilamide, effect on bacteriophage 



reproduction, 277, 283 

 Sulfate, labeled, in study of protein 

 synthesis in bacteriophages, 

 253 

 Sulfhydryl groups, effect on irradia- 

 tion of bacteriophages, 74 

 Sulfur, labeled, in study of bacterial 

 changes following infection, 

 166, 167 

 in study of bacteriophage pene- 

 tration into host cell, 17, 161- 

 63 

 in study of doughnuts, 184, 186 

 in study of fate of infecting bac- 

 teriophage, 208-11, 217, 218 

 in study of protein synthesis in 

 bacteriophages, 251-53 

 Sulfur mustard, effect on bacteria, 266 

 Superinfection, definition, 442 

 Superinfection breakdown, 212-16, 

 231,328, 330 

 effect on DNA transfer from parent 

 to progeny phage, 219, 220 

 Surface denaturation, of bacterio- 

 phages, 55, 56, 454 

 as taxonomic criterion, 427 



Tail pins, role in reproduction of bac- 

 teriophages, 185, 186 



Target theory, in determination of 

 bacteriophage size, 40, 45 



Taxonomy, of bacteriophages, 421-37 



Temperate phages, 5, 6, 128, 367; 

 see also Lysogeny; Prophages; 



