SUBJECT INDEX 



591 



and specific phages, e.g., Coli- 

 phage lambda 

 composition and properties, 369 

 definition, 366, 442 

 effect on bacterial host, 190, 372, 



376-78 

 mutants, 300, 369, 371, 375 

 preparation of antisera, 99 

 taxonomic criteria, 432, 433 

 type determination by, 408-12, 

 415,416,418 

 Temperature, effect on adsorption of 

 bacteriophages, 147-50, 152, 

 296, 297 

 effect on inactivation of bacterio- 

 phages, 56-60 

 as taxonomic criterion, 423, 427 

 effect on latent period of bacterio- 

 phages, 169 

 effect on lysogenization, 370 

 effect on photoreactivation of bac- 

 teriophages, 71 

 Thawing, effect on bacteriophages, 39 

 Thioglycolic acid, effect on irradiation 



of bacteriophages, 75 

 Threonine, in coliphages, 90 

 Thymine, analogues, in DNA of bac- 

 teriophages, 283, 284 

 in coliphages, 90, 91 

 as growth factor for bacteriophages, 



277, 283 

 as growth factor for E. coli 15T~, 

 241 

 Thymol, effect on adsorption of bac- 

 teriophage, 152 

 Tobacco mosaic virus, concentration, 

 457 

 detergents effect on, 51 

 Transduction, 293, 376-78, 415, 422 

 Trypaflavine, see Acriflavine 

 Trypsin, in coliphage WLL, 238 

 Tryptazan, in proteins of coliphage 

 T2, 284 



Tryptophan, in adsorption of coli- 

 phage T4, 16, 143-49, 234, 270, 

 301,452 

 techniques for study of, 503-5 

 analogues, in proteins of bacteria 



and coliphage T2, 284 

 in coliphages, 90 

 effect on assay of coliphage T4, 28, 



452 

 effect on irradiation of bacterio- 

 phages, 75 

 as growth factor, for bacteria, 493 

 for bacteriophages, 274, 485 

 L-Tryptophan, effect on adsorption of 



coliphage T4, 144,302 

 Tyrosine, in coliphages, 90 



u 



Ultrafiltration, in concentration and 

 purification of phages, 42, 459 

 in determination of bacteriophage 

 size, 40-42, 423, 426 

 Ultraviolet light, effect on bacteria, 

 148,177,245-47,310-16,318 

 effect on bacteriocinogenic bacteria, 



388-91 

 effect on bacteriophages, 46, 65-73, 

 76, 77, 175-77, 311, 314, 315, 

 324, 357-64, 369 

 as taxonomic criterion, 427 

 techniques in study of, 511-13, 

 518,519 

 effect on lysogenic bacteria, 9, 246, 

 312-16, 318, 324, 372, 373, 432 

 effect on reproduction of coliphages, 

 18, 178-80 

 Urea, effect on adsorption of coli- 

 phage T4. 1 46 

 effect on bacteriophages, as taxo- 

 nomic criterion, 423, 427 

 effect on stability of coliphages, 50 

 Urease, in coliphage WLL, 238 



