SUBJECT INDEX 
Nephrosclerosis, effect on blood amino acids, 
269 
Nereis vivens, amino acids, 164 
Nerve axoplasm, squid, amino acids, 473, 476, 
478-480 
—, crab, amino acids, 473, 476 
—, dog, y-aminobutyric acid, 474 
—, lobster, amino acids, 473, 476 
Nervous system, compartments, 722, 723 
—, role in nutrition, 522 
Neurospora crassa, age, effect on pool, 95 
—, amino acids, 83, 84, 87 
—, —, accumulation capacity, 570, 571 
—, deoxycorticosterone, effect on, 99 
—, hydrocortisone, effect on pool, 99 
—, taurine, 84 
Neurospora sitophila, amino acids, 84, 85 
Nicotiana, (N. glauca x N. langsdorfit), amino 
acids, 67 
— tabacum, amino acids, 43 
Ninhydrin color, use in identification, 8, 9 
—, release of CO, from amino acids, 10 
Nitrogen balance, relation blood amino acids, 
196 
— deficient diets, 521 
—, inorganic, effect on pool composition, 97 
— mustard, effect on,amino acids, of blood and 
urine, 389 
— —, —, — in blood fractions in leukemia, 
397-399, 402 
— —, — — in rabbit blood and tissues, 403— 
408 
— —, — cell permeability, 411 
— —, —, nucleic acid, 411 
— —, —, rabbit blood cells, 406, 407 
— —, —, sulfur amino acids, 410, 411 
— —, reactivity, 411 
— starvation, effect on pool composition, 97, 98 
—, storage and re-use in plants, 667, 668 
Nitromin, effect on pool in tumors, 313, 316 
f-Nitropropionic acid, occurrence in Indigo- 
ferva, 41 
Nocardia rugosa, amino acids, 80, 81 
Noetia ponderosa, amino acids, 172 
—, taurine, 165 
Norleucine, effect on tyrosine transport, 546-548 
—, occurrence, 5 
Norvaline, occurrence, 5 
No-threshold aminoaciduria, 253 
Nuclei, rat liver, membrane permeability, 770 
Nucleic acid, effect nitrogen mustard on, 411 
Nucleotide—amino acids, protein synthesis, 688 
—, leakage, 581 
——peptides, occurrence in microorganisms, 90, 
gt 
— —, role in protein synthesis, 90, 91 
Nutritional deficiency, effect on pool 
composition, 97, 98 
— status, effect on blood amino acids, 196 
—, —, role in protein turnover, 650 
Nystatin, effect on pool, 99 
Ocelot, urine, amino acids, 201 
Octopine, occurrence in invertebrates, 170 
Sor 
Octopus sp., amino acid decarboxylases, 170 
—, taurine, 165 
Odonata, amino acids, 117, 120, 123 
Oleic acid, synthesis of lipid—amino acid, 745, 
740 
N-Oleoylphenylalanine, synthesis and identi- 
fication, 746, 747 
Oliva sayana, taurine, 165, 166 
Oncopeltus fasciatus, amino acids, 117, 121 
Onion bulbs (see Allium cepa) 
Optic lobes, chicken brain, amino acids, 303-— 
395 
Optical antipodes, resolution, 13-15 
— configuration, determination, 16-18 
— purity of peptides, determination, 513 
Opuntia microacantha, amino acids, 66 
Orchiectomy, effect on pool in prostrate, 327 
Orchistoidea califoyniana, amino acids, 180, 182 
Ornithine, brain and nerve, 478 
—, excretion in cystinuria, 209 
—, HeLa cells, 696 
—, human blood plasma, 197 
—, human urine, 200 
—, yeast, 82, 83 
Orphenadrine, effect on amino acids in brain, 
493-497 
Orthoptera, amino acids, 117, 120, 123 
Oryctes nasicorynis, amino acids, 119 
Osmoregulation, activity of glycine, 130 
Osmotic activity, accumulated amino acids, 763 
— —, amino acid pool, 130 
— —, intracellular solutes, ror 
— effects on amino acid pool, in micro- 
organisms, 569, 571, 574, 575, 581-583 
— pressure, effect on pool composition, 99 
— —, intracellular, Escherichia coli, 772 
— sensitivity, pools in Escherichia coli, 776 
— strength, effect on proline accumulation in 
Escherichia coli, 80 
Otala lactea, amino acids, 173 
—, starvation, effect on pool, 171, 173 
—, taurine, absence, 165 
Ovariectomy, effect on amino acids in uterus, 
327 
Overflow aminoaciduria, 253, 254 
Oviduct, hen, synthesis of lipid—amino acid, 
739-7194 
Oxalic acid, effect on urine amino acids, 277 
— hthiasis, 256 
Oxidation, amino acids, role of liver, 708, 709 
Oxidative deamination of L- and D-amino 
acids, 132 
— phosphorylation, 
uptake, 497 
Oxygen, amino acid uptake in brain, 495, 496 
— consumption, brain effect drugs on, 493-497 
—, effect on tyrosine transport, 549 
Oyster (see Crassostrea virginica) 
relation to amino acid 
Pachygrapsus crassipes, amino acids, 181, 182 
Pagurus pollicaris, amino acids, 162, 173 
—, taurine, 166 
Palmitic acid, synthesis of lipid—amino acid, 
745, 746 
