SUBJECT INDEX 523 



Photoreactions: comparison of rates, R. riibnoii, 254; effect of ADP+ Pi, 252; effect 

 of inhibitors, 251 



Photoreduction: DTNB, 309; effect of detergents, 285, 312; effect of preincubation, 

 311. fumarate. 244; TPN, 184 



Photoreduction, DPN: 184. 287; effect of antimycin A, 185; effect of ferredoxin, 184 



Photoreduction, tetrazolium: 244; effect of acetone. 310 



Photosynthetic apparatus, location: 106 



Photosynthetic unit: 377, 378 



Plant photosynthesis, relation to bacterial photosynthesis: 7 



Porphyrins: biosynthesis, 40; formation of iron and magnesium protoporphyrins, 42 



Primary photochemical act: flashing light studies, 380; kinetic analysis, 383; reaction 

 center, 377, 378 (green plants and algae), 384 (bacteria) 



Primary quantum conversion: 335 



Quantum efficiency: 212 



RHP: see Cytochromoids 



Reactions, general schemes: 8. 13, 142, 197, 259, 301, 308, 336, 358 



Respiration: citric acid cycle, 153-155; darkoxidase, 329; light-induced, 330; oxidase, 

 285; R. vaiiiiielii, 327 



Respiration, photosynthetic and nonphotosynthetic: effect of light, 276; effect of tem- 

 perature, 279; inhibitors, 276 



RIiodoDiicyobiini! iriiiniclii: absorbancy changes, 329, 434-437; cytochrome oxidation, 

 328; respiration, 327 



Rhodopsei(doi)ionas gelatiiiosa: carotenoids, 25 



RhodopseiidoDionas splieroidcs: photooxidation of DPIPH,, 245; photopigment synthe- 

 sis, 53 



RIiodospirilliDii i)ioIiscIiioii/<i)i: chromatophores. 111 



Rhodospir/IIttni ntbnoii: absorbancy changes. 269, 272; chromatophores, DPIPH, 

 photooxidation system, 246; ESR signal, 338, 343; electron transfer sequence, 

 259; electron transport system, 275; isolation of bacteriopheophytin-containing 

 particulates, 115; membrane fractions, structure, 101; phosphorylation system. 

 161; photooxidation reactions catalyzed by chromatophores, 237; photophosphory- 

 lation, 175, 195, 202; photoreactions, comparison of rates, 254; photoreduction of 

 DTNB by chromatophores, 309; UQ reduction coupled withDPIPH3 oxidation, 269; 

 effect of viscosity on photoreactions, 363 



RhodospirillnDi n<hrn)n grown in media containing diphenylamine, photophosphoryla- 

 tion in particles from: 217 



Structure of photosynthetic apparatus: 71, 89; cell structure compared with pigment 

 contents, 91; Chlorobium, 103; C. thiosidfatophilum strain L, 72; chlorobium 

 vesicles, 106; Chro»iotitn>i strain D, 78; Chromatium okenii, 91; Rps. spheroides, 

 91; R. riibnim, 91; Tkiocapsa, 101; Thiospirillum jenense, 97 



Summary: 445 



Tetrapyrrole synthesis: control of, 46; path of, 40 



Tetrapyrroles: chlorophylls, 35; cytochromes and catalase, 37; porphyrins, 38 



Thiorhodaceae: carotenoids, 29 



Ubiquinone: effect on photophosphorylation, 217; reduction coupled with DPIPH, 

 oxidation in R. rnbm»i, 269 



Viscosity, effect on photoreactions: 359 



Water, photolysis of : 4, 12 



