INDEX 



499 



Sulphydryl groups, in eiiz3^mes, 136 



reaction with phenylarsenoxide, 



136 

 8vmbiosis, 102, 109 

 S^Tithalin, 129 

 SjTithetic media, 81, 462 



Tartranilic acids as determinant 



groups, 409 

 Terrein, 308 

 Terrestric acid, 288 

 Tetracosanoic acid, 371, 374, 375 

 Tetranucleotides, 335 

 Tetrathionates, oxidation by sulphur 



bacteria, 71, 72 

 Tetronic acids, 171, 296 

 Thiamine, see Aneurin. 

 Thiazole as growth factor. 102 

 Thiohacillus, 69 



— denitrificans , 69, 72 



— thio-oxidans, 69, 71, 115 

 adenine triphosphate m, 72 



— — aneurin in, 103 

 growth factors in, 115 



— thioparus, 69, 70 

 Thiochrome, 393 

 Thiocystis, 69, 72 

 Thiorhodacece, pigment, 391 

 Thiosulphate, oxidation by sulphur 



bacteria, 71, 72 



— reduction bv yeast, 279 

 Thiothrix, 69 72 " 



Thio-urea, effect on sulphonamide 

 activity, 145 



— production by fungi, 305 



Third component of complement, 435, 



438 

 Threonine, toxicity to bacteria, 217 

 ThjTuine, 113, 333 

 Thymonucleic acids, 333 

 Thyroxine, antisera to, 415 



— as determinant group, 415 

 Toluquinone derivatives as anti- 

 biotics, 163 



— pigments, 386, 393, 394 

 Turula lipofera, 371 



— — lipoid content of, 63, 371 



— pigments in, 387 



— rosea, vitamin-B in, 65 



— rubra, 393 



Tortila iitilis. protein synthesis by, 339 



Tonilene, 393 



Toxin-antitoxin reactions, 442 ct seq. 



colloidal character, 446 



Toxoflavin, 390 

 Toxoid, 417 

 Transaminase, 224 



— in amino-acid sjmthesis, 224 

 Transamination, 341 

 Trehalose, in Aspergillus niger, 02 



— in 31. phlei, 359, 373 



tuberculosis, 359, 371, 373 



— in yeasts, 62 

 Tricarboxylic acid cycle, 302 

 Trichoderma viride, antibiotic from, 



185 

 Tricosanoic acid, 374 

 Trimethyl arsine, 304 

 Trimethyleneglycol, 467 

 Triphosphopyridine nucleotide, 268 

 Triose phosphate, dismutation, 204 

 Triose phosphorylase, 212, 320 

 Tritisporin, 395 

 Trypanosomes, arsenic resistant 



strains, 126, 152 



— chemotherapy of 125 et seq., 130 



— growth factors for, 121 

 Trj-pan-red, 126 

 Trj'parsamide, 127 

 Trj.-psin, 37 



— activation of, 49 



— crystalline, 41 



— crystallisation of, 46 



— effect of pH on, 48 



— specificity, 51 

 Trypsmogen, 49 

 Tryptophane, 81, 84, 216, 399. 400 



— degradation of, 209, 228, 229, 231, 



232, 233 



— m antigens, 399, 400, 405 



— synthesis of, 343 

 Tryptophol, 231 



Tubercle bacillus, see MycvhaderiiDii 



tuberculosis 

 Tuberculostearic acid, 369, 370, 374, 



376, 379 

 Tyrocidine, 182 



— action on fiuigi, 183 



— hcemolytic effect, 183 



— hydrochloride, 165, 182 



