608 



SUBJECT INDEX 



Turnip yellow mosaic \Tru3 

 physical properties of, 318-321 

 piirified, properties of, 431 

 ribonucleic acid of, 6 

 macromolecular structiu"e and, 4 



Turnover 



proteins and, 120-123 



rat liver nucleic acid and, 126 



UTP, see Uridine triphosphate 

 Ultracentrifugation 

 homogeneity and, 261-263 

 molecular shape and, 257-259 

 molecular size and, 257-259 

 multicomponent sedimentation and, 



263-264 

 partial specific volume and, 259-260 

 partition cell sedimentation and, 264- 



265 

 sedimentation coefficient and, 255-257 

 sedimentation equilibrium and, 265-266 

 transient states and, 267-268 

 viral studies and, 252-268 

 Ultraviolet light 



above 3000 A, viral inactivation and, 



379-380 

 below 3000 A, viral inactivation and, 



374-379 

 prophage induction and, 26 

 Ultraviolet microscopy, cellular micro- 

 chemical analysis and, 33-34 

 Urethane 



polymer synthesis and, 118, 119 

 viral inactivation by, 407 

 Uridine triphosphate, mitochondrial mem- 

 brane and, 57 



Vaccinia virus, 1, 4, 17, 103, 344 

 antigen of, 526 

 area calculations and, 373 

 chemical composition of, 491^95, 497 

 deoxyribonucleic acid and, 27 

 ethyl ether inactivation and, 413 

 evolutionary vestiges and, 27 

 infection initiation and, 346, 348, 349 

 infectivity titration and, 338 

 local lesion count assay of, 335 

 neutralization of, 538, 539 



photodynamic inactivation of, 379 



plaque-coimt assay of, 336, 346 



precipitin reaction and, 532 



sonic irradiation and, 362 



structure of, 494 



trypsin-chymotrypsin inactivation and, 

 416 



UV inactivation and, 374-375 

 Vasopressin, terminal amide bonds in, 170 

 Versene, see Ethylenediamine tetraacetic 



acid 

 Vesicular stomatitis virus 



infectivity titration and, 338 



visible light inactivation of, 380 

 Vibrio cholerae, receptor-destroying en- 

 zyme of, 12, 23 

 Virology 



amino acid biosynthetic pathways and, 

 20-22 



hydrodynamic-thermodynamic methods 

 227-228 

 diffusion and, 241-252 

 electrophoresis and, 268-271 

 rotational diffusion and, 236-241 

 ultracentrifugation and, 252-268 

 viscosity and, 228-236 



nucleic acid research and, 5-6 



objectives of, 9-14 



optical methods 



electron microscopy and, 287-294 

 light scattermg and, 271-277 

 low-angle X-ray scattering and, 277- 



279 

 radiation inactivation and, 294-297 

 X-ray diffraction and, 279-287 

 Virus concentration determination 



electron microscopy 

 adsorption and, 342 

 agar filtration and, 341-342 

 sedimentation and, 339-340 

 spraying and, 340-341 



physical properties method and, 342- 

 344 



hemagglutinating particles and, 344-346 

 Viruses 



cellular constituents and, 565-566 



cellular relations and, 27-28 



crystallization of, 3—4 



desiccation, resistance to, 387, 388-389 



evolution of, 1-2 



