SUBJECT INDEX 



575 



Arrhenius constant for heat inacti- 



vation, 57 

 assay, tryptophan effect on, 28 

 composition, 89-92, 94, 426 

 concentration and purification, 84, 



458, 460 

 cross-reactivation, 362, 363 

 DNA of, 307 



synthesis, 258 

 effect on bacterial hosts, 194, 197, 



203-5 

 enzymatic activity, 1 8 

 EOP of, 29, 307 

 extinction coefficients, 92 

 genetic studies, 116, 117, 307, 308, 



318, 335, 337, 342. 351-59, 362, 



363 

 growth factors, 241 

 identification, 122 

 inactivation, 53-56, 67, 68, 76-78, 



80,81, 157-59,314,428 

 latent period, 169 

 morphology in electron microscope, 



36, 38, 39, 41, 184 

 multiplicity reactivation, 73, 358, 



359, 428 

 techniques in study of, 514, 515 

 mutants, 144, 299, 301, 303-5, 310, 



335, 503 

 techniques in study of, 504, 505 

 use in genetic studies of bacterio- 

 phages, 337, 338, 351-57 

 neutralization, 113 

 phenotypic modification, 133, 134, 



295 

 photoreactivation, 72 

 premature lysis, 174, 175 

 reproduction, 164, 165, 168, 218, 



219,227 

 inhibition, 277, 279, 280 

 in mixedly infected bacteria, 295, 



307, 308, 323, 326-28 

 size, 40, 43 



stability, urea effect on, 50 

 Coliphage T4r, composition, 92, 304 

 plaque formation by, 303 

 reproduction, 220, 224 



techniques in study of, 519-21 

 Coliphage T4r+, reproduction, 220, 



300 

 Coliphage T4rII, genetic studies, 351- 



57 

 host range, 300, 304, 351 

 Coliphage T5, adsorption to host cell, 



152 

 antibody-blocking component in 



filtrate of, 108, 109 

 antigenicity, 104, 105, 425 

 antisera, 99 



Arrhenius constants for heat inacti- 

 vation, 57, 58 

 composition, 94, 95 

 concentration and purification, 84 

 DNA synthesis in, 262 

 effect on bacterial hosts, 194, 197. 



199,200,247 

 extinction coefficients, 92 

 genetic studies, 116, 117 

 heat-resistant forms, 59, 294, 305 

 inactivation, 52, 54-56, 59, 68, 78, 



80, 81, 159, 454 

 latent period, 169 

 metabolic enzymes in, 241 

 morphology in electron microscope, 



36,38 

 multiplicity reactivation, 73, 358, 



428 

 mutants, 116, 305, 306, 309, 502, 



503 

 neutralization, 110, 114 

 penetration into host cell, 52, 164, 



165, 199, 234, 270, 282 

 phenocopies, 294 

 photoreactivation, 72 

 protein synthesis in, 252 

 reproduction, 163-65, 168 



