Back MatterSource: Proceedings of the National Academy of Sciences of the United States of America,Vol. 70, No. 8 (Aug., 1973), pp. 2468-2472Published by: National Academy of SciencesStable URL: http://www.jstor.org/stable/63031 .

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AUTHOR INDEX, AUGUST 1973

Agee, C. C. 2424 Ajmar, F. 2406 Akeson, A. 2439 Allison, W. S. 2467 Aloe, L. 2448 Ames, B. N. 2281 Anderson, W. F. 2220 Ankel, H. 2360 Astrin, S. M. 2304 Austin, S. 2420 Axelrod, J. 2411 Bald, R. 2229 Barber, L. 2211 Bassin, R. H. 2453 Beaudet, A. L. 2350 Benemann, J. R. 2317 Benveniste, R. 2276 Berenson, J. A. 2317 Berkower, I. 2369 Bernal, I. 2434 Birnboim, H. C. 2189 Bloom, B. R. 2299 Bogorad, L. 2386 Boiwe, T. 2439 Bose, S. K. 2374 Bowman, J. E. 2406 Boyd, L. F. 2448 Bradshaw, R. A. 2448 Branden, C.-I. 2439 Bronson, M. J. 2335 Brower, L. P. 2261 Buchanan, P. D. 2401 Carson, P. E. 2406 Caskey, C. T. 2350 Castro, 0. 2356 Chany, C. 2360 Chevalier, M. J. 2360 Chipowsky, S. 2309 Chiu, C.-S. 2196 Cooper, H. A. 2326 Cooper, T. G. 2340 Cuatrecasas, P. 2443 Dale, R. M.K. 2238 Davies, J. 2276 Deguchi, T. 2411 Dorfman, A. 2201 Duesberg, P. H. 2266 Durston, W. E. 2281 Echols, H. 2215 Eklund, H. 2439 Emery, K. 0. 2379 Erdmann, V. A. 2229 Ferrendelli, J. A. 2448 Finch, S. C. 2356 Fischer, N. H. 2434 Fox, C. F. 2271 Frankel, R. B. 2429 Frazier, W. A. 2448 Freeman, A. E. 2415 Freese, E. 2457 Frischer, H. 2406 Galliot, B. 2360 Gallo, R. C. 2391 Gerwin, B. I. 2453

Gilden, R. V. 2415 Ginsburg, E. 2457 Greenberg, G. R. 2196 Griggs, T. R. 2326 Gunnerson, C. G. 2379 Haberland, M. E. 2313 Haussler, M. R. 2248 Haywood, A. M. 2381 Henkart, M. P. 2462 Hesse, R. H. 2248 Holland, M. 2234 Holm, R. H. 2429 Horst, J. 2266 Howe, M. L. 2299 Hsie, A. W. 2286 Huebner, R. J. 2415 Hugunin, P. E. 2415 Hurwitz, J. 2369 Ibers, J. A. 2429 Illiano, G. 2443 Joernvall, H. 2295 Johnson, E. M. 2448 Kamen, M. D. 2317 Kano, S. 2299 Kaplan, N. 0. 2317, 2467 Karu, A. E. 2215 Kearns, D. R. 2193 Kessell, S. R. 2261 Kirkegaard, L. 2424 Kit, S. 2206 Krantz, M.J. 2253 Lai, M. M.C. 2266 Lawther, R.P. 2340 Lee, F. D. 2281 Lee, Y. C. 2309 Leffler, S. 2364 Levitt, D. 2201 Lindall, A. W. 2291 Linden, C. D. 2271 Linn, S. 2215 Littlefield, J. W. 2401 Livingston, D. C. 2238 Lovenberg, W. 2253 Lubsen, N. H. 2220 McConnell, H. M. 2271 McGeoch, D. 2420 McMahon, D. 2396 Mayerle, J. J. 2429 Meck, H. R. 2261 Meister, A. 2211 Merrick, W. C. 2220 Mitchel, R. E. J. 2189 Mullinix, K. P. 2386

Nakajima, Y. 2462 Nelson, R. 2406 Nierhaus, D. 2224 Nierhaus, K. H. 2224 Nordstrom, B. 2439 Noyes, C. 2406 Ohlendorf, C. E. 2448 Ohlsson, I. 2439 Orkin, S. H. 2401 Orlin, J. 2356 Ortiz, J. R. 2286

Oxley, S. S. 2467 Paran, M. 2391 Paterson, B. M. 2330 Pechet, M. M. 2248 Pert, C. B. 2243 Phillips, W. D. 2429 Pongs, 0. 2229 Pough, F. H. 2261 Reid, B. R. 2193 Reisner, H. 2401 Reynolds, J. A. 2313 Richardson, L. S. 2391 Rieckmann, E. H. 2406 Rizzardo, E. 2248 Robert, M. 2360 Roberts, B. E. 2330 Roseman, S. 2309 Rosen, M. W. 2356 Ross, L. L. 2211 Sakaki, Y. 2215 Salomon, D. 2457 Schechter, I. 2256 Siegel, M. I. 2443 Snyder, S. H. 2243 Soderlund, G. 2439 Somers, K. 2206 Squires, C. 2335 Sreevalsan, T. 2457 Steiner, D. F. 2321 Strain, G. C. 2386 Straus, N. A. 2189 Szer, W. 2364 Tager, H. S. 2321 Tate, S. 2211 Tate, W. P. 2350 Taylor, S. S. 2467 Tell, G. P. E. 2443 Tisdale, A. D. 2462 Tomich, P. K. 2196 Vernon, M. L. 2415 Vogt, P. K. 2266 Wagner, R. H. 2326 Wallace, E. F. 2253 Ward, D. C. 2238 Watkins, S. F. 2434 Weiher, J. F. 2429 Whiteley, H. R. 2234 Wickner, S. 2369 Willerson, D. W. 2406 Wilt, H. 2345 Wolford, R. G. 2415

Wong, E. T. 2291 Wong, Y. P. 2193 Wovcha, M. G. 2196 Wright, K. L. 2271 Wright, M. 2369 Wu, A.M. 2391 Yamada, T. 2286 Yamasaki, E. 2281 Yanofsky, C. 2335 Yount, W. J. 2401 Zeppezauer, E. 2439 Zerwekh, J. E. 2248 Zlotnick, B. M. 2374

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Principles of Plant and Animal Pest Control A six-volume series from the Committee on Plant and Animal Pests Agricultural Board Division of Biology and Agriculture, NRC

Volume 1 Plant-Disease Development and Control ISBN 0-309-01596-0; 1968, xvi + 205 pages, paperbound, $4.75

This report identifies and examines the primary, secondary, and subsidiary principles that influence plant-disease development and control; outlines the current state of knowledge relating to the principles of effective control; and cites significant supplementary sources of information on the subject. Also included are a glossary of terms relating to plant pathology and a complete index of plants and diseases discussed in the text.

Volume 2 Weed Control ISBN 0-309-01597-9; 1968; xviii + 476 pages, paperbound, $8.00

Weed Control examines current practices and the state of knowledge in the field and outlines major areas of needed research. This useful report presents a com- prehensive review and summary of the basic principles of the preventive, biological, managerial, physical, and chemical weed-control methods that can be used to increase the yield of farms, rangelands, and forests. Many information sources dealing with specific weed- control problems are listed in the report's extensive bibliography.

Volume 3 Insect-Pest Management and Control ISBN 0-309-01695-9; 1969, xxii + 508 pages, paperbound, $10.50

This volume describes not only well-established concepts but also current hypotheses that guide efforts to regulate the abundance or prevent the establish- ment and spread of insects that are harmful to man. It provides an introduction to the ecological back- ground underlying pest management, discusses principles related to the entire range of control procedures, and describes the types of controls that may be suitable for representative insect-pest problems.

Volume 4 Control of Plant-Parasitic Nematodes ISBN 0-309-01696-7; 1968, xii + 166 pages, paperbound, $5.00

Focusing upon the growing importance of nematology, this volume considers in detail the principles of controlling nematode infestations of plants and

indicates areas where further research is necessary. It discusses the basic principles of the biological, physical, and chemical nematode-control methods that can be used to reduce infestations and improve levels of food production. It also emphasizes the need for better training of nematologists and for additional research on nematode physiology, biochemistry, ecological relationships, and host-parasite inter- actions.

Volume 5 Vertebrate Pests: Problems and Control ISBN 0-309-01697-5; 1970, x + 153 pages, paperbound, $5.25

This report examines and assesses areas of man- vertebrate-pest conflicts and emphasizes man's responsibility to use only those preventive or correc- tive measures that are ecologically sound and socially acceptable and that affect only the target species or individuals. It also describes pest situations and principles of control measures involving fishes, amphibians and reptiles, birds, small mammals, predatory animals, and big game, indicating that we lack complete information concerning the mechanical devices, repellents, and poisons with which vertebrate pests are controlled.

Volume 6 Effects of Pesticides on Fruit and Vegetable Physiology

ISBN 0-309-01698-3; 1968, x + 90 pages, paper, $3.95

Among the topics discussed in this report are the effects of the pesticide compounds on seed germina- tion, vegetative development, sexual reproduction, development of storage organs, maturation, harvest and post-harvest behavior, and nutritional value and market quality of fresh and processed food products. A list of more than 600 references serves to document statements and conclusions presented in the text and directs the reader to additional sources of information on the subject.

NATIONAL ACADEMY OF SCIENCES Printing and Publishing Office 2101 Constitution Avenue Washington, D.C. 20418

Complete Catalog Available upon Request

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Announcing... the Third Edition of

Specifications and Criteria for Biochemical Compounds

prepared by the Committee on Specifications and Criteria for Biochemical Compounds of the NRC Division of Chemistry and Chemical Technology Specifications and Criteria for Biochemical Compounds, Third Edition, contains the best information available to date for each class of compounds described, including amino acids, carbohydrates, carotenoids, coenzymes, enzymes, lipids, nucleotides, and porphyrins. The 216-page volume not only provides revised and updated information on the 392 biochemical compounds listed in earlier editions, but it also describes 129 compounds previously unlisted. A section on radioactive compounds appears for the first time in this edition, providing some general comments concerning the use of these materials in biochemical research. A comprehensive, cross- reference index lists both common names and systematic names for each compound described in the volume. If you are concerned with evaluating the quality of biochemical compounds used for research purposes, Specifications and Criteria for Biochemical Compounds, Third Edition, is an essential addition to your professional library. ISBN 0-309-01917-6; 1972, xxi + 216 pages, clothbound, $15.25

NATIONAL ACADEMY OF SCIENCES Printing and Publishing Office 2101 Constitution Avenue Washington, D.C. 20418

Complete Catalog Available Upon Request

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Contents (Continued from inside back cover)

MEDICAL SCIENCES

MICROBIOLOGY

Survival of human sickle-cell erythrocytes in heterologous species: Response to variation in oxygen tension (sickle-cell anemia/[51Cr]erythrocyte survival/heterologous transfusions/hypoxia/hemoglobin S) ....... ................................ Oswaldo Castro, Jerome Orlin, Michael W. Rosen, and Stuart C. Finch 2356-2359

Factor VIII recombination after dissociation by CaC12 (canine plasma fractions/antihemophilic factor/gel chromatography/molecular weight) ........ Herbert A. Cooper, Thomas R. Griggs, and Robert H. Wagner 2326-2329

NAD(P) glycohydrolase deficiency in human erythrocvtes and alteration of cytosol NADH-methemoglobin diaphorase by membrane NAD glycohydrolase activity (polyacrylamide-gel electrophoresis/glutathione

reductase/dichlorophenolindophenol) . . .. .. ............ Henri Frischer, Richard Nelson, Claudia Noves, Paul E. Carson, James E. Bowman, Earl H. Rieckmann, and I'ranco Ajmar 2406-2410

Preliminary evidence for a microsomal precursor to human parathyroid hormone (protein synthesis/subcel- lular fractions) ............................................. Edward T. Wong and Arnold W. Lindall 2291-2294

Antiviral effect of interferon covalently bound to Sepharose (vesicular stomatitis virus/encephalomyocar- ditis virus/activated Sepharose) ......... H. Ankel, C. Chany, B. Galliot, M. J. Chevalier, and M. Robert 2360-2363

Aminoglycoside antibiotic-inactivating enzymes in actinomycetes similar to those present in clinical isolates of antibiotic-resistant bacteria (streptomyces/origin of R-factors/gentamicine-acetate) ................ .............................................................. Raoul Benveniste and Julian I)avies 2276-2280

Adrenal corticosteroids enhance production of type-C virus induced by 5-Iodo-2'-deoxyuridine from cultured mouse fibroblasts (poly(A)/RNA tumor virus/cordycepin) .......................................... .............................................. M. Paran, R. C. Gallo, L. S. Richardson, and A. M. Wu 2391-2395

Temperature-dependent expression of transformation by a cold-sensitive mutant of murine sarcoma virus (normal rat kidney cells/Moloney leukemia virus) ....................... Kenneth Somers and Saul Kit 2206-2210

PHYSIOLOGY Supersensitivity and subsensitivity of the B-adrenergic receptor in pineal gland regulated by catecholamine transmitter (sympathetic nerve/norepinephrine/isoproterenol/cell responsiveness tolerance) ........... .................................................................Takeo Deguchi and Julius Axelrod 2411-2414

Presynaptic inhibition at inhibitory nerve terminals. A new synapse in the crayfish stretch receptor (Pro- cambarus/electron microscopy) ......... Yasuko Nakajima, Ann I). Tisdale, and Maryanna P. Henkart 2462-2466

Properties of opiate-receptor binding in rat brain (naloxone/opiate antagonist) .......................... .......................................................... Candace B. Pert and Solomon H. Snyder 2243-2247

ZOOLOGY Induction of the stellate configuration in cultured iris epithelial cells by adenosine and compounds related to adenosine 3':5'-cyclic monophosphate (cell dedifferentiation/cytoplasmic projections/morphological al- terations) ...................................... Jose R. Ortiz, Tuneo Yamada, and Abraham W. Hsie 2286-2290

Theoretical investigations of automimicry: Multiple trial learning and the palatability spectrum (unpalat- able/predator/gregariousness/p rey) .............................................................. ........................ . F. arvey Pough, Lincoln P. Brower, Harold R. Meck, and Stephen R. Kessell 2261-2265

Polyadenylation of maternal RNA of sea urchin eggs after fertilization (oogenesis/parthenogenetic merogons) ................................................................................... F red H . W ilt 2345-2349

Correction

BIOCHEMISTRY Aminoacid sequence of dogfish M4 lactate dehydrogenase ........................................... ........................ Susan S. Taylor, Susanna S. Oxley, William S. Allison, and Nathan O. Kaplan

2472

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Contents (Continued from outside back cover)

RNA polymerases of maize. Purification and molecular structure of DNA-dependent RNA polymerase II

(polypeptide subunits) ................ Kathleen P. Mullinix, Gustave C. Strain, and Lawrence Bogorad 2386-2390 Identification of the chloramphenicol-binding protein in Escherichia coli ribosomes by partial reconstitution

(LiCl 50S cores/ribosomal split proteins/equilibrium dialysis/chloramphenicol action) ................ .......................................................... Dagmar Nierhaus and Knud H. Nierhaus 2224-2228

Identification of chloramphenicol-binding protein in Escherichia coli ribosomes by affinity labeling (anti- biotics/ribosomal proteins/two-dimensional gel electrophoresis/equilibrium dialysis) .................. ................................................... .. Olaf Pongs, Rolf Bald, and Volker A. Erdmann 2229-2233

Efficient translation of tobacco mosaic virus RNA and rabbit globin 9S RNA in a cell-free system from com- mercial wheat germ (wheat germ extracts/protein synthesis/gel electrophoresis/peptide analysis) ....... .......................................................... Bryan E. Roberts and Bruce M. Paterson 2330-2334

Purification and properties of the --protein specified by bacteriophage X: An inhibitor of the host RecBC recombination enzyme (bacteriophage X gam gene/RecBC DNase/exonuclease V) ...................... .............................. Yoshiyuki Sakaki, Alexander E. Karu, Stuart Linn, and Harrison Echols 2215-2219

Biologically and chemically pure mRNA coding for a mouse immunoglobulin L-chain prepared with the aid of antibodies and immobilized oligothymidine (mouse myeloma/mRNA molecular weight/L-chain

precursor proteins/partial amino-acid sequence of precursor/sequence of cell-free product) ............ ................................................................................Israel S chechter 2256-2260

Isolation of a glucagon-containing peptide: Primary structure of a possible fragment of proglucagon (hor- mones/precursors) ...............: ..........................Howard S. Tager and Donald F. Steiner 2321-2325

Influence of guanine nucleotides and elongation factors on interaction of release factors with the ribosome

(reticulocyte/fusidic acid/peptide chain termination) ....... W. P. Tate, A. L. Beaudet, and C. T. Caskey 2350-2355 Aminoacid sequence of dogfish M4 lactate dehydrogenase (Correction) ..................................

......................... Susan S. Taylor, Susanna S. Oxley, William S. Allison, and Nathan O. Kaplan 2467

Dopamine3--hydroxylase: A tetrameric glycoprotein (sodium dodecyl sulfate-gel electrophoresis /molecular weight/transmission of nerve impulses) ....... Ellen F. Wallace, Mark J. Krantz, and Walter Lovenberg 2253-2255

Studies on in vitro DNA synthesis. Purification of dna C gene product containing dna D activity from Escherichia coli ((X174 DNA/DNA replication/DNA initiation) .................................. ........... .......................... Sue Wickner, Ira Berkower, Michel Wright, and Jerard Hurwitz 2369-2373

Conformation of charged and uncharged tRNAPhe (base pairing/300 MHz proton nuclear magnetic reso-

nance) .......................................... Yeng P. Wong, Brian R. Reid, and David R. Kearns 2193-2195

Direct participation of dCMP hydroxymethylase in synthesis of bacteriophage T4 DNA (5-hydroxymethyl dCMP kinase/DNA replication/permeable cells) ................................................... .......................... Merle G. Wovcha, Paul K. Tomich, Che-Shen Chiu, and G. Robert Greenberg 2196-2200

CELL BIOLOGY

GENETICS

IMMUNOLOGY

In vitro transcription of simian virus 40 sequences in SV3T3 chromatin (transformed mouse cells/hybridiza- tion/Escherichia coli RNA polymerase) ........................................... .Susan M. Astrin 2304-2308

Mechanism of action of nerve growth factor and cyclic AMP on neurite outgrowth in embryonic chick sensory

ganglia: Demonstration of independent pathways of stimulation (adenylate cyclase/theophylline/phos- phodiesterase/insulin/sodium butyrate) ............... William A. Frazier, Cathleen Earhart Ohlendorf, Linda Forrest Boyd, Luigi Aloe, Eugene M. Johnson, James A. Ferrendelli, and Ralph A. Bradshaw 2448-2452

Detection and isolation of a new DNA polymerase from human breast tumor cell line HBT-3 by (dT)12-l8-

cellulose chromatography (RNA tumor virus) .................. Brenda I. Gerwin and Robert H. Bassin 2453-2456

Growth inhibition and morphological changes caused by lipophilic acids in mammalian cells (food additives/ short-chain fatty acids) .......................E. . (insburg, D. Salomon, 7'. Sreevalsan, and E. Freese 2457-2461

Two classes of membrane binding of replicative RNA of bacteriophage MS2 (complementary-strand synthe- sis of RNA) ............................................................. Anne Mowbray Haywood 2381-2385

Control of chondrogenesis in limb-bud cell cultures by bromodeoxyuridine (differentiation/glycosaminogly- cans/D-xylose/enzymes) .......................................... Daniel Levitt and Albert Dorfman 2201-2205

A cell-contact model for cellular position determination in development (differentiation/plasma membrane/

Dictyostelium discoideum/cyclic AMP) ........................................- Daniel McMahon 2396-2400

Enzymes of the y-glutamyl cycle in the ciliary body and lens (eye/rabbit/aminoacid transport/glutathione/ ciliary epithelium) ..................... Leonard L. Ross, Lee Barber, Suresh S. Tate, and Alton Meister 2211-2214

Carcinogens are mutagens: A simple test system combining liver homogenates for activation and bacteria for

detection (frameshift m utagens/aflatoxin /benzo(a)pyrene/acetylaminofluorene) ......................

.............................. Bruce N. Ames, William E. Durston, Edith Yamasaki, and Frank D. Lee

Lambda-chain production in human lymphoblast-mouse fibroblast hybrids (immunoglobulins/gene

localization/chromosome E-17/HAT selection/differentiation) ..................................... .. .....Stuart H. Orkin, Philip D. Buchanan, William J. Yount, Howard Reisner, and John W. Littlefield

2281-2285

2401-2405

5-Bromo-2'-deoxyuridine potentiation of transformation of rat-embryo cells induced in vitro by 3-methyl- cholanthrene: Induction of rat leukemia virus gs antigen in transformed cells (carcinogen/C-type RNA

virus/dim ethylbenzanthracene) ........... . .............. ............ ........ Aaron E. Freeman. Raymond V. Gilden, Mina Lee Vernon, Ronald G. Wolford, Patricia E. Hugunin, and Robert J. Huebner 2415-2419

Enumeration of activated thymus-derived lymphocytes by the virus plaque assay (cell-mediated immunity/

mitogen stimulation/mixed lymphocyte culture) .....Shogo Kano, Barry R. Bloom, and Michael L. Howe 2299-2303 (Continued on page 2472)

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Contents Vol. 70, No. 8 August 1973

INFORM ATION TO CONTRIBUTORS ....................................................... ...................... i-iv

Physical Sciences

CHEMISTRY Lateral phase separations in membrane lipids and the mechanism of sugar transport in Escherichia coli (f3-oxidationless fatty-acid auxotrophs/spin labels) ................................................. . ...................)... ............ C. D. Linden, K. L. Wri,ght, H. M. McConnell, and C. F. Fox 2271-2275

Synthetic analogs of the active sites of iron-sulfur proteins. Structure and properties of bis[o-xylyldithiolato- 22-sulfidoferrate(III)], an analog of the 2Fe-2S proteins (Fe2S2 core/iron-sulfur complexes/x-ray diffrac-

tion) ..........J. J. Mayerle. R. B. Frankel, R. H. Holm, James A. Ibers, W. D. Phillips, and J. F. Weiher 2429-2433 Neutron diffraction structure of melampodin: Its role in the reclassification of the germacranolides (cyclo-

deca-l,5-dienes/sesquiterpene lactones/clvtotoxicity/' ch(emotaxonomv/ direct phase determination) ...... . ........................................... Steven F. Watkins, Nikolaus H. Fischer, and Ivan Bernal 2434-2438

GEOLOGY Internal swash and surf (water movements/marine sediments/continental shelf) ......................... ................................................................ K . 0. Em ery and C. . Gunnerson 2379-2380

Biological Sciences

BIOCHEMISTRY The synthesis in vitro of RNA polymerase subunits of Escherichia coli (cell-free protein synthesis) .......... .............................................................. Stuart Austin and I)uncan M cGeoch 2420-2423

Hydrogen evolution by a chloroplast-ferredoxin-hydrogenase system (solar energy conevrsion/photossnthe- sis/electron transport) John R. Benemann, Jeffrey A. Berenson, Nathan 0. Kaplan, and Martin I). Kamen 2317-2320

Analysis of long pyrimidine polynucleotides in HeLa cell nuclear DNA: Absence of polydeoxythymidylate (formic acid-diphenylamine hydrolysis/hvdroxyapatite chromatography/thermal elution) .... ........ ..... ............................................. H. C. Birnboim, R. E. J. Mitchel, and N. A. Straus 2189-2192

Growth- and density-dependent inhibition of deoxyglucose transport in Balb 3T3 cells and its absence in cells transformed by murine sarcoma virus (cell growth/cyclic AMP/low serum) .......................... ............................................................ Subir K. Bose and Barbara J. Zlotnick 2374-2378

Structure of liver alcohol dehydrogenase at 2.9-A resolution (crystallographic structure/zinc/coenzyme binding) ......................................................... Carl-Ivar Brndn, Hans Eklund, Bo Nordstrim, Torne Boiwe, Gustaf Siderlund, Eila Zeppezauer, Ingrid Ohlsson, and Ake Akeson 2439-2442

Nucleotide sequences from tryptophan messenger RNA of Escherichia coli: The sequence corresponding to the amino-terminal region of the first polypeptide specified by the operon (anthranilate synthetase com- ponent I/tryptophan operon) .................. Morley J. Bronson, Craig Squires, and Charles Yanofsky 2335-2339

Adhesion of cultured fibroblasts to insoluble analogues of cell-surface carbohydrates (SV40-transformed 3T3 cells/sugar-derivatized Sephadex beads) ............... Stefan Chipou'skv, Y. C. Lee, and Saul Roseman 2309-2312

Induction of the allantoin degradative enzymes in Saccharomyces cerevisiae by the last intermediate of the pathway (allophanic acid/urea carboxylase/allantoin degradation defective mutants) .................. .... .......... .................................. Terrance G. Cooper and Robert P. Lawther 2340-2344

The synthesis and enzymatic polymerization of nucleotides containing mercury: Potential tools for nucleic acid sequencing and structural analysis (acetoxymercuration/mercaptans/Escherichia coli/pol!ymerases) .................................................. R. M. K. Dale, D. C. Livingston, and D. C. Ward 2238-2242

Self-association of cholesterol in aqueous solution (micelles/critical micelle concentration) ................ ? ....... ...... ......................... Margaret E. Haberland and Jacqueline A. Reynolds 2313-2316

Biological activity of la-hydroxycholecalciferol: A synthetic analog of the hormonal form of vitamin D3 (1,25-dihydroxycholecalciferol/calcium absorption/bone calcium resorption/metabolic bone disease) .... ............ Mark R. Haussler, Joseph E. Zerwekh, Robert H. Hesse, E. Rizzardo, and Maurice M. Pechet 2248-2252

RNA polymerase from Bacillus amyloliquefaciens infected with b29 bacteriophage (properties/subunit com- position/time of modification) ................................. Michael Holland and H. R. Whiteley 2234-2237

Guanosine 3':5'-cyclic monophosphate and the action of insulin and acetylcholine (cyclic AMP/fat cells/ liver/receptors/lymphocytes/plant lectin/cell growth) .............................................. .............................. Gennaro Illiano, Guy P. E. Tell, Marvin I. Siegel, and Pedro Cuatrecasas 2443-2447

Partial similarities between yeast and liver alcohol dehydrogenases (primary structure/diagram comparison/ conserved region/amino-acid exchanges) ............................................. Hans Jbrnvall 2295-2298

Intervent dilution chromatography: Concept for separation of strongly interacting macromolecules (gel filtration/sievorptive chromatography/adsorption chromatography/ribosomes/protein-nucleic acid inter- actions) ........................................................ Leslie Kirkegaard and C. Coe Agee 2424-2428

Avian tumor virus RNA: A comparison of three sarcoma viruses and their transformation-defective deriva- tives by oligonucleotide fingerprinting and DNA-RNA hybridization (Rous sarcoma virus/a and b sub- units) .........................Michael M. C. Lai, Peter H. Duesberg, Jirgen Horst, and Peter K. Vogt 2266-2270

Messenger selection by bacterial ribosomes (Caulobacter crescentus/bacteriophage Cb5 and MS2/initiation factor 3) ............ ................................... ................. S. Leffler and 1W . Szer 2364-2368

A ribosome dissociation factor from rabbit reticulocytes distinct from initiation factor M3 (elongation factors/protein synthesis/sucrose density gradients/protein purification) ............................. .................................................. W. C. Merrick, N. H. Lubsen, and W. F. Anderson 2220-2223

(Continued on inside hack cover)

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