SUBJECT INDEX 



581 



Immunity, of colicinogenic bacteria 

 to colicins, 390 

 definition, 440 



of lysogenic bacteria to infection 

 with bacteriophages, 300, 374, 

 375 

 Immunization, to bacteriophages, 98, 



99 

 Immunological test, for bacterio- 

 phage purity, 86 

 Inactivation, of bacteriophages, 49-82 

 effect on antigenicity, 99 

 as taxonomic criterion, 427, 428 

 Indicator bacteria, see Bacteria, 



indicator 

 Indole, effect on adsorption of coli- 



phages, 16, 145,270, 301, 302, 

 504 

 as growth factor for bacterio- 

 phages, 274 

 Induction, of bacteriocin production, 

 388-91 

 of bacteriophage production in 



lysogenic bacteria, 9, 246, 312- 

 16,318,324,372-74,432 

 definition, 440 



of enzymes in E. coli, 242, 243 

 Infection, definition, 440 

 Infective center, definition, 440 

 Influenza virus, concentration, 457 

 enzymatic activity, 17, 18 

 inactivation by detergents, 51 

 Influenza virus Lee (B), nucleic acids 



of, 89 

 Influenza virus PR8(B), nucleic acid 



of, 89 

 Injection, definition, 440 

 lodoacetate, effect on bacteriophages. 



272, 273 

 Ion exchange resins, eff"ect on coli- 



phage T2, 1 64 

 Ionizing radiations, see Radiations, 

 ionizing 



Isolation, of bacteriophages, 447-49 

 Isoleucine, in coliphages, 90 



as growth factor for bacterio- 

 phages, 243, 275 

 Isonicotinic acid, effect on bacterio- 

 phage reproduction, 278 

 Isotope studies, of bacterial changes 

 following infection, 166, 167 



of bacteriophage adsorption to host 

 cell, 150, 151 



of bacteriophage composition, 90 



of DNA synthesis in bacterio- 

 phages, 248, 257-61 



of doughnuts, 184, 186 



of fate of infecting bacteriophage, 

 207-31 



of mixed infection of bacteria, 323 



of nucleic acid content of coli- 

 phage T2, 88 



of penetration of bacteriophage into 

 host cell, 17, 161-63 



of protein synthesis in bacterio- 

 phages, 250-53 



Key enzyme hypothesis, 326 

 Kinetic studies, of activation of coli- 



phage T4, 301 

 of adsorption of bacteriophage to 



host cell, 138-41, 144-50 

 of antigen-antibody reaction in 



bacteriophages, 97, 109-16 

 of DNA synthesis in bacteriophages, 



257-64 

 of DNA transfer from parent to 



progeny phage, 221, 222 

 of inactivation of bacteriophages, 



52, 54-59, 64, 66, 68, 80, 154- 



56 

 of inactivation of coliphage T5, 50, 



51, 60 

 of mode of action of colicins, 386, 



387 



