79° 
Escherichia coli, (continuation) 
—, galactoside permease, 613, 614 
—, glutamylalanine, 89 
—, glutamyl-y-aminobutyric acid, 89 
—, glutathione, 83 
—, intracellular osmotic pressure, 772 
—, leakage of amino acids, 92 
—, lipid—amino acid synthesis, 756, 757 
—, mechanism of amino acid pool formation, 
595-608 
—, nitrogen starvation, effect on pool in, 98 
—, peptide uptake, 572 
—, permeability, 578, 579 
—, pool heterogeneity, 776 
—, proline accumulation, 568-572, 575 
—, rate of amino acid accumulation, 568, 569 
—, — protein turnover, 648 
—, RNA degradation, 650, 651 
—, spheroplast lysis, 768 
—, — permeability, 580 
—, transport mutant, 610, 611 
—, uracil pool, 774-776 
Essential amino acids, for insects, 127, 128 
Estigmene acvaea, amino acids, 116 
Estradiol, effect on amino acids in uterus, 327 
Estrogens, effect on amino acids, excretion, 229 
—, —, in plasma, 237 
Ethanol, effect on brain glutamic acid and 
glutamine, 468 
Ethanolamine, in brain, 480, 481 
—, excretion, effect of age; 271, 272 
—, formation from serine, 194 
—, in fungi, 86 
—, human urine, 200 
—, Increase in plasma during liver perfusion, 
718, 719 
— phosphate, breakdown in brain, 295 
— —, chicken, brain, changes during develop- 
ment, 304, 305 
— —, difference in marrow and_ peripheral 
leukocytes, 374 
— —., high level in myeloblasts, 377 
— —, human saliva, 203 
— —., liver, change after partial hepatectomy, 
327 
— —, —, effect lymphosarcoma, 330 
— —, rat, kidney, effect thyroidectomy, 344 , 
—, —, — and liver, effect hypophysectomy, 
345, 340 
—O-phosphate, in leukocytes, effect chloram- 
bucil, 402 
— serine phosphodiester, 169 
—, yeast, 82, 83 
Ethanolaminophosphoric acid, in Chortophaga 
virvidifasciata, eggs, 125 
—, silkworm eggs, 125 
Ethanol-soluble protein, slime mold, 683 
N‘-Ethyl-L-asparagine, in Bryonia dioica, 44 
—, Ecballium elaterium, 44 
N®-Ethyl-L-glutamine (theanine), occurrence in 
Xevocomus badius, 44 
Euproctis chrysorrhoea, amino acids, 116, 117 
Everted gut sack, amino acid transport, 533— 
5319) 
SUBJECT INDEX 
Eviscerated rat, oxidation of amino acids, 
709-712 
Evisceration, effect on body temperature, 451 
—, — plasma amino acids, 716, 717, 721 
—, of rat, method, 450 
Exchange diffusion, amino acids, 539, 596-598, 
600, 601, 604 
—, —, brain and blood, 545, 554-556 
—, —, brain slice, 561, 562 
—, —, energy dependence, 575 
—, —, microorganisms, 574, 575 
—, a-aminoisobutyric acid in bacteria, 613 
—, definition, 564, 768 
—, incorporation, 706 
—, — into protein, 646, 647, 733 
—, mechanism, 535, 536 
—, model, 535, 540 
—, proline in Escherichia coli, 596-598, 610, 611 
Excretion, amino acids, 220 
—, —, differences in adult and child, 231 
—, —, effect lysine, 520 
—, —, effect pantothenic acid deficiency, 
461-464 
—, —, factors affecting in human, 228, 229 
—, —, human, 198-201 
—, —, maple-syrup urine disease, 519 
—, —, protein deficiency, 523 
—, f-aminoisobutyric acid, 248, 249 
—, essential amino acids, 196 
—, keto acid, in maple-syrup urine disease, 519 
Excretory tissue, amino acids, 183 
Expandable pool, 571, 575 
—, difference from internal pool, 640, 641 
—, extraction, 655 
Extracellular amino acid, effect on internal 
pool, 636-638 
— space, Lactobacillus avabinosus, 583 
Extraction, amino acids from cells, 289 
—, differential of internal and expandable pool, 
655 
—, method, 138, 139 
—, pool from blood cells, 353 

Factor I, relation to y-aminobutyric acid, 473, 
474 
Fanconi syndrome, 207, 254, 256, 518 
Fasciolaria distans, taurine, 165, 166 
Fasting, effect on amino acids in plasma, 366, 
372 
—, — in rabbit blood fractions, 403, 404 
Feces, human, amino acids, 278 
Felinine, in cat blood plasma, 198 
—, excretion in urine, 201 
Ferritin synthesis, 735, 740, 741 
Fertilization, effect on pool in Rana pipiens 
eggs, 298 
Fetal blood, amino acids, 264 
Fetus, blood plasma, amino acids, 198 
Fish, brain, amino acids, 472, 476, 478, 480 
—, —, ethanolamine derivatives, 481 
Fishes, pool size, 160 
Fluid intake, effect on urine amino acids, 274 
Fluoroacetate effect on amino acids in brain, 
343 

