810 
Thiopentone, effect on brain glutamic acid and 
glutamine, 468 
Thiosemicarbazide, convulsions, 467 
—, convulsive seizures, 516 
—, effect on amino acids in rat brain, 500-502 
—, — vitamin B, enzymes, 501, 502 
Threonine, accumulation by HeLa cells, 697, 
699 
—, — by microorganisms, 570 
—, in brain, 475, 476 
—, change in vitamin A deficient rat tissues, 
340 
—, detection on paper chromatograms, 9 
—-lipid, role in protein synthesis, 748 
—, in nerve, 475-477 
—, separation from allothreonine, 12, 13 
—, synthesis from aspartic acid, 643 
Thyroidectomy, effect on amino acids in rat 
tissues, 343-346 
Thyroxin, effect on amino acids in rat tissues, 
343-340 
—, role in protein synthesis, 343 
Tiger, urine, amino acids, 201 
Tilletia caries, amino acids, 85, 86 
Tobacco (see Nicotiana tabacum) 
— leaf, citric acid pools, 676, 677 
— —, photosynthesized amino acids, 660, 661 
Tortoise, brain, amino acids, 472, 476, 478, 480 
—, —, ethanolamine derivatives, 481 
Torula utilis, peptides, 88, 89 
Torulopsis utilis, amino acids, 82, 87 
—, effect of nitrogen starvation on pool, 98 
—, nucleotidepeptides, 90 
—, protein synthesis, 688 
—, unidentified peptide, 83 
Toxicity, of amino acids, 17, 520 
—, — deficient diet, 521 
Transamidination, in lombricine biosynthesis, 
170 
Transaminase(s), blood, in children, 266 
—, effect on pool composition, 97 
—, in erythrocytes, 247 
—, serum, effect X-irradiation on, 252 
—, subcellular distribution, 131 
Transamination, effect phenylhydrazine, 412 
—, im imsects, 131 
Translocase, 590 
Translocation, peptides in plants, 59 
Transmethylation, in invertebrates, 164 
Transpeptidation, 60-62 
Transport, active, amino acid, 578, 579, 768, 769 
—, —, —, in bacteria, 610 
—, —, —, im brain slice, 559 
—, —, —, mechanism, 528 
i) Da Dlacenitay2 On| 
— ——, Cabhlei525 
= Chiteniay e709 
—, —, definition, 566 
—, —, energy-dependence, 528, 532, 544 
—, —, leucine in brain, 557, 566 
—, —, lysine in brain, 557, 558 
—, —, model, 528, 540 
—, —, stereospecificity in placenta, 264 
—, albumen proteins, 298 
SUBJECT INDEX 
Transport, (continuation ) 
—, amino acid, activation, 540 
, —, adsorption site theory, 578-580 
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—, —, carrier properties, 769 
—, —, catalysts, 568, 589-592 
—, —, competition in microorganisms, 571, 572 
—, —, competitive inhibition, 530, 531 
—, —, difference in optical isomers, 531 
—, —, effect chelators, 565 
—, —, — extracellular concentration, 568—571 
= en hibitors #5765 577 
—, —, — osmotic factors, 569, 571, 574-576, 
581-583 
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Saipan DEL E574 
—, =, — pyridoxal; 564, 565 
—, —, — structure, 533, 546-548 
eat) aaeC LLP CLALUT Cry 74mm a iby 
—, —, Ehrlich ascites tumor, 531-533, 539-544 
—, —, energy-dependence, 572-574, 592, 612, 
615, 767 
—, —, erythrocyte, 529; 530 
—, —, in Escherichia coli and yeast, 766 
—, —, by Gram-positive bacteria, 569-571 
—, —, In gut of Schistocera gregaria, 765 
—, —, in Hartnup disease, 509 
—, —, Hela cells, 696, 697, 699 
—, —, inhibition in bacteria, 612 
—, —, — in! Hela'cells), 6907, 608 
—, —, intestinal, 533-535 
—, —, locus, 556 
—, —, mechanism, 527-538, 578-592, 766, 767 
—, —, model, 769 
—, —> MUbanNtsy 5729159005 O10; (Ome 
—, —, —, lipid—amino acid synthesis, 757 
—, —, optical specificity, 571, 572 
—, —, osmotic activity, 763 
—, —, pool capacity in microorganisms, 569— 
571 
—, —, in rat diaphragm, 770 
—, —, rate in microorganisms, 568, 569 
—, —, relation enzymes, 590, 591 
—, —, role lipid—amino acid, 752 
—, —, — metal ions, 565 
—, —, — in protein synthesis, 622, 630 
—, —, structural specificity in microorganisms, 
571, 572 
=, , transcellular, 615, 762 
—, —, variability in capacity, 569 
—, —, — Lactobacillus avabinosus, 771 
—, a-aminoisobutyric acid, in bacteria, 612, 613 
—, glycine, in Ehrlich ascites tumor cells, 
539-544 
—, group transfer hypothesis, 540 
—, inhibition, 277 
—, inorganic ions, relation to protein synthesis, 
682, 683 
—, intestinal, 762 
—, leucine, effect age, 558 
—, mutants, lipid—amino acids, 614 
—, peptide, in microorganisms, 572 
—, rate, effect hydrocarbon chain, 530 
—, relation to exchange-diffusion, 539-544 




