INDEX 



Abortive infection, 178, 283 



definition, 282, 439 

 Absorption spectra, of ultraviolet- 

 inactivated bacteriophages, 

 66,67 

 Absorption spectrum, of nucleic acid, 



67 

 Acridines, effect on bacteriophage re- 

 production, 278-81, 287 

 Acrifiavine, effect on bacteriophage 



reproduction, 278-80 

 Actinomyces phage, reproduction, in- 

 hibition, 279 

 Action spectra, of ultraviolet-inacti- 

 vated bacteriophages, 66, 67 

 Activation, of coliphages by cofactors, 



144-46 

 Adaptation, in typing phages, 398, 



405-12, 418,419 

 Adenine, in coliphages, 90, 91 

 Adenosine triphosphatase (ATPase), 



in coliphage T2, 239 

 Adsorption, of bacteriophage to host 

 cell, 15, 16,137-60,392 

 bacterial antigens effect on, 123, 



124, 152-59 

 effect on plaque size, 23, 24, 137 

 inhibition, 267-70 

 irradiation effect on, 77, 148 

 mutations affecting, 298, 299, 



301, 302 

 as taxonomic criterion, 424 

 techniques in study of, 466-73, 

 503-5 

 of colicins to host cells, 385, 392 

 definition, 439 



Aeration, 446, 447, 455, 496 



effect on colicin production, 388 

 Aerobacter species, colicins in, 381 

 Agar, concentration, effect on plaque 

 size, 24 

 eflfect on bacteriophage adsorption, 

 268 

 Agar filtration method, in morpho- 

 logical study of bacteriophages, 

 184 

 Agar layer method, in assay of 



bacteriophage, 29, 30, 450, 451 

 media for, 446, 507 

 Agglutination, of phage-coated 



bacteria, 106, 107 

 Aggregation, of coliphages by anti- 



phage sera, 105, 106 

 Alanine, in coliphages, 90 

 Albumin, egg, effect on adsorption of 

 bacteriophages, 268 

 effect on irradiation of bacte- 

 riophages, 75 

 effect on neutralization of bacte- 

 riophages, 112 

 serum, effect on irradiation of bac- 

 teriophages, 75 

 effect on neutralization of bacte- 

 riophages, 112 

 Alcohols, effect on bacteriophages, 53 

 Alpha particles, effect on bacterio- 

 phages, 78, 79 

 Amino acids, analogues, effect on 

 bacteriophage reproduction, 

 273-75, 283, 284 

 in coliphages, 90 



as growth factors for coliphage T2, 

 244, 283 



567 



