408 



SUBJECT INDEX 



Turnip yellow mosaic virus, 38, 39, 40-41, 

 42, 48, 55, 57, 87, 97, 137, 140, 146, 

 147, 148, 151-152 

 absorption spectrum of, 100 

 amino acid composition of, 105-106 

 8-azaguanine and, 118 

 nucleic acid of, 106-107 

 preparation properties of, 99-100 

 purification of, 98-99 

 snub dodecahedron of, 104-105 

 turnip flea beetle and, 98 

 two components of, 101-105 



Ultraviolet irradiation 



infected cells and, 373-376 

 T4 bacteriophage and, 357-370 

 vegetative phage and, 376 



Ultraviolet light 



cross reactivation and, 361-367 



gene function rnactivation and, 367-368 



inactivation, tobacco mosaic virus and, 



10-13, 14-16 

 infectivity inactivation and, 357-358 

 lysogenic bacteria and, 326, 328-330 

 multiplicity reactivation and, 358-36] 

 sensitivity genetic control and, 372-373 



chain end determination and, 49 

 sequence determination and, 49-51 

 Virulent bacteriophage, 320 

 Virus activity, leaf hairs, tobacco mosaic 



virus and, 22-23 

 Virus dilution curves, tobacco mosaic 



virus and, 5, 6, 7 

 Viruses 



definition of, 196-197, 199 



oncogenic, pathogenicity and, 200 

 Virus latency, lysogeny and, 347-349 

 Virus synthesis, tobacco mosaic virus and, 



24-26 



Western equine encephalomyelitis virus, 



177 

 Wild cucumber mosaic virus, 40, 41, 42 



Cucurbita pepo and, 107 



purification of, 107 



two components of, 107-108 

 Wound tumor virus, 42, 157, 180 



Agallia constricta and, 168, 170 



life cycle of, 183 



multiplication in vector and, 171 



serological titer of, 170-171 



transovarial passage and, 172, 175 



Variant production 



chemical and physical treatments 

 radiations and, 152 

 TMV chemical derivatives and, 151- 

 152 

 Variation, see Mutation 

 Vegetative phage, 248, 291 



bacteriophage multiplication and, 274- 



275 

 ultraviolet irradiation and, 376 

 Vegetative phase, 326 



bacteriophage and, 189-190 

 Vibrio, lysogeny and, 324 

 Vicia faba, broad bean mottle virus and, 



111 

 Vinca rosea 

 aster yellows virus and, 167-168 

 clover club leaf virus and, 169 

 Viral proteins 

 polypeptide chains 



amino acid composition determina- 

 tion and, 48 



Xiphinema index, grape fanleaf virus and, 



159 

 X-irradiation 

 T-even phage 



cross reactivation and, 379-380 

 infectivity survival and, 379 

 Luria-Latarjet experiments and, 380 

 multiplicity reactivation and, 379- 

 380 

 tobacco mosaic virus and, 152 

 X-protein, tobacco mosaic virus and, 28, 

 81-82, 144 



Yellow aucuba virus, 134, 135, 142, 144, 



145, 149, 150 

 Yellow variants, tobacco mosaic virus and, 



70 

 Yield, tobacco mosaic virus and, 18-19, 



21-22 



Zinc, bacteriophage invasion and, 226, 232 



