Back MatterSource: Proceedings of the National Academy of Sciences of the United States of America,Vol. 69, No. 7 (Jul., 1972), pp. 1994-1996Published by: National Academy of SciencesStable URL: http://www.jstor.org/stable/61942 .

Accessed: 03/05/2014 12:37

Your use of the JSTOR archive indicates your acceptance of the Terms & Conditions of Use, available at .http://www.jstor.org/page/info/about/policies/terms.jsp

.JSTOR is a not-for-profit service that helps scholars, researchers, and students discover, use, and build upon a wide range ofcontent in a trusted digital archive. We use information technology and tools to increase productivity and facilitate new formsof scholarship. For more information about JSTOR, please contact support@jstor.org.

.

National Academy of Sciences is collaborating with JSTOR to digitize, preserve and extend access toProceedings of the National Academy of Sciences of the United States of America.

http://www.jstor.org

This content downloaded from 130.132.123.28 on Sat, 3 May 2014 12:37:47 PMAll use subject to JSTOR Terms and Conditions

AUTHOR INDEX, JULY 1972

Adelberg, E. A. 1929 Adman, R. 1702 Al-Arif, A. 1716 Allard, R.W. 1820 Allerhand, A. 1804 Anagnoste, B. 1883 Anderson, M. 1669 Appella, E. 1858 Appleman, M. M. 1791 Aviv, H. 1967 Baldwin, R. L. 1809 Baxter, J. D. 1892 Benbow, R. M. 1905 Benson, M. C. 1892 Berger, M. S. 1737 Berggard, I. 1697 Bernhardt, S. A. 1868 Billiau, A. 1851 Biondi, R. J. 1732 Bishop, M. J. 1761 Blout, E. R. 1825 Boldt, D. 1685 Boyle, I. T. 1673 Broome, J. 1883 Brown, R. D. 1746 Bruice, T. C. 1985 Buck, C. A. 1838 Byrne, J. C. 1925 Cagle, F. W., Jr. 1744 Carr, S. 1957 Chargaff, E. 1781 Chen, Y. 1723 Chock, P. B. 1939 Clegg, M. T. 1820 Colacicco, G. 1848 Crippa, M. 1749 Croce, C. M. 1953 Cunningham, B. A. 1697 Das, G. D. 1962 Davidoff, F. 1957 Davidson, N. 1948 Davis, R. H. 1868 Deber, C. M. 1825 De Clercq, E. 1851 del Castillo, J. 1669 DeLuca, H. F. 1673 Desmyter, J. 1851 De Somer, P. 1851 Dixon, G. H. 1975 Dole, W.P. 1835 Drach, J. C. 1753 Dulbecco, R. 1992 Eagle, H. 1953 Ebrey, T. G. 1897 Edelman, G. M. 1697 Eldefrawi, A. T. 1776 Eldefrawi, M. E. 1776 Elson, E. L. 1809 Everse, J. 1761 Eyring, E. M. 1744 Eyring, H. 1690 Fischetti, T. 1858 Fischinger, P. J. 1900 Freedman, L. S. 1883 Fudenberg, H. H. 1739 Fuhrer, J. P. 1838 Fuxe, K. 1883 Galivan, J. 1659 Garabedian, M. 1673 Garcea, R. L. 1892 Gilbert, D. L. 1758 Glickson, J.D. 1920

Goldstein, A. L. 1800 Goldstein, M. 1883 Guha, A. 1800 Hall, B. D. 1702 Hardy, M. A. 1800 Havran, R. T. 1920 Hehlmann, R. 1727 Hendrickson, H. 1848 Herberman, R. B. 1664 Herzenberg, L. A. 1934 Hill, T. L. 1723 Hiller, J. M. 1835 Hirose, S. 1863 Ho, C. 1707 Holick, M. F. 1673 Honig, B. 1897 Hsie, A. W. 1943 Huestis, W. H. 1887 Hyden, H. 1980 Ito, J. 1892 Jamieson, J. D. 1771 Jerina, D. M. 1985 Jhon, M. S. 1690 Joffe, S. 1848 Julius, M. H. 1934 Kaplan, N.O. 1761 Karkas, J. D. 1781 Kasperek, G. J. 1985 Kepros, J. G. 1744 Khoury, G. 1925 Kim, J.-S. 1948 Kim, U. S. 1690 Kleinschmidt, A. K. 1873 Kohn,L.D. 1711 Kolodner, R. 1830 Komoroski, R. A. 1804 Koprowski, H. 1953 Kornfeld, S. 1685 Kraehenbuhl, J. P. 1771 Krugh,T.R. 1911 Kufe, D. 1727 Lam, D. M. K. 1987 Lange, J. 1900 Lange, P. W. 1980 Lavrin, D.H. 1664 Law,L.W. 1858 Leder, P. 1967 Levinson, N. 1657 Levy, M. J. 1732 Lindstrom, T. R. 1707 Lingrel, J. B. 1843 Lipicky, R. J. 1758 Litwin, S. D. 1739 Louie, A. J. 1975 Maas, W. K. 1873 McConnell, H. M. 1992 McHenry, C. S. 1855 Mahdavi, V. 1749 Maley, F. 1659 Martin, M. A. 1925 Masuda, T. 1934 Mazaitis, A. J. 1873 Mehler, A. H. 1816 Meienhofer, J. 1920 Midelfort, C. F. 1816 Nafz, M. A. 1681 Newburgh, R. W. 1677 Noll, H. 1843 Noll, M. 1843 Nornes, H.O. 1962 O'Brien, J. S. 1720 Ochoa, S. 1796

Ogata, R. T. 1992 Oka, T. 1693 Okazaki, R. 1863 Page, I. H. 1813 Palchaudhuri, S. R. 1873 Parks, W. P. 1766 Peterson, P. A. 1697 Pouwels, P. H. 1786 Puck, T. T. 1943 Raftery, M. A. 1887 Roblin, R. 1992 Rogers, J. C. 1685 Rosenberg, R. N. 1677 Rousseau, G. G. 1892 Russell, T. R. 1791 Santi, D.V. 1855 Schafer, W. 1900 Schmidt, R. 1690 Schneider, F. W. 1791 Schultz, L. D. 1702 Schwartz, I. L. 1920 Scolnick, E. M. 1766 Sharp, P. A. 1948 Shipman, C. Jr. 1753 Shiu, G. 1664 Shroyer, L. A. 1681 Sinon, E.J. 1835 Sinsheimer, R. L. 1905 Skinner, A. (Sister) 1685 Smith, D. S. 1669 Smith, S. H. 1753 Spiegelman, S. 1727 Sporn, M. B. 1716 Stadler, J. K. 1929 Stavrianopoulos, J. G. 1781 Stewart, W. E., II 1851 Stillman, I. M. 1758 Strober, S. 1858 Strominger, J. L. 1972 Sugino, A. 1863 Swan, D. 1967 Tewari, K. K. 1830 Thompson, W. J. 1791 Ting, C.-C. 1664 Tocchini-Valentini, G. P. 1746 Tomkins, G. M. 1892 Topper, Y. J. 1693 Torchia, D. A. 1825 Trimble, R. B. 1659 Tsong, T. Y. 1809 Umbreit, J. N. 1972 Urry, D. W. 1920 Valeri, C. R. 1685 Van Rotterdam, J. 1786 Varandani, P. T. 1681 Waldren, C. A. 1943 Walter, G. 1992 Walter, R. 1920 Warren, L. 1838 Weiss, P. A. 1732 White, A. 1800 Wimmer, E. 1877 Winand, R.J. 1711 Wong,S.C.K. 1825 Wright, P. W. 1858 Yagi, H. 1985 Yarus, M. 1915 Yogo, Y. 1877 Zasloff, M. 1796 Zatz, M. M. 1800 Zuccarelli, A. J. 1905

1994

This content downloaded from 130.132.123.28 on Sat, 3 May 2014 12:37:47 PMAll use subject to JSTOR Terms and Conditions

Content

MICROBIOLOGY Activating and protective capacities of a purified electrophoretic fraction of murine leukemia virus for murine leukemia virus infectivity (virus antigens/group-specific antigen I) . . . . .. . . . . . . .. ........ ........... Peter J. Fischinger, Jens Lange, and Werner Schafer

Radioimmunoassay of mammalian type-C viral proteins: interspecies antigenic reactivities of the major internal polypeptide (gs-S/visna/Mason-Pfizer virus/syncytium-forming virus) ........... ......................... . Wade P. Parks and Edward M. Scolnick

PHYSIOLOGY On the theory of ion transport across the nerve membrane, VI. Free energy and activation free energies of conformational change (protein complex/electric field/net charge/polarizability/time constant maxi- mum) . . . . . . . . . . . . . . . . . . . . ....... Terrell L. Hill and Yi-der Chen

Biosynthesis of acetyl~holine in turtle photoreceptors Pseudemys scripta elegans/cell dissociation/cell separation/neurotransmitters/sensory neurons . . . . . . . . . . .... Dominic M. K. Lam

PSYCHOLOGY Protein changes in different brain areas as a function of intermittent training (brain protein/behavior/ training/cortex/limbic system) . . . . . . . . . . . ..... Holger Hyd6n and Paul W. Lange

Corrections

CELL BIOLOGY Protein synthesis in simian virus 40-infected monkey cells . . . G. Walter, R. Roblin, and R. Dulbecco

CHEMISTRY Mechanism of cooperative oxygen binding to hemoglobin . . . . R. T. Ogata and H. M. McConnell

ts 1995

1900-1904

1766-1770

1723-1726

1987-1991

1980-1984

1992

1992

This content downloaded from 130.132.123.28 on Sat, 3 May 2014 12:37:47 PMAll use subject to JSTOR Terms and Conditions

1996 Contents

Proventriculus of a marine annelid: muscle preparation with the longest recorded sarcomere (Z-band/ paramyosin/electrophysiology/excitation-contraction and -relaxation coupling/syllid worm) ...... . . . . . . .Jose del Castillo, Margaret Anderson, and David S. Smith 1669-1672

Control of 25-hydroxycholecalciferol metabolism by parathyroid glands (rat/vitamin D/parathyroid hormone/thyroparathyroidectomy/calcium) ............. ...... . . . . ..... . . M. Garabedian, M. F. Holick, H. F. DeLuca, and I. T. Boyle 1673-1676

Solid-phase conjugation of ferritin to Fab-fragments of immunoglobulin G for use in antigen localization on thin sections (immuno-electron microscopy/protein embedment/affinity chromatography/trypsinogen/ bovine pancreas) .. . . . . . . J. P. Kraehenbuhl and J. D. Jamieson 1771-1775

Effect of norepinephrine on glucose metabolism in glioblastoma and neuroblastoma cells in cell culture (cyclic AMP/radioactive glucose/glycogenolysis/rat) . . . . R. W. Newburgh and Roger N. Rosenberg 1677-1680

Initiation factor IF-3-dependent binding of Escherichia coli ribosomes and N-formylmethionine trans- fer-RNA to rabbit globin messenger (puromycin/AUG codon/valyl-tRNA binding/protein synthesis/ hemoglobin) . . . . . . . . . . . . . . . . . . .Markus Noll, Hans Noll, and Jerry B. Lingrel 1843-1847

Temporal pattern of neurogenesis in spinal cord: cytoarchitecture and directed growth of axons (rat/ neuropithelium/autoradiography/selective fasciculation) . . .. . ........ . .

..................................................... Howard 0. Nornes and Gopal D. Das 1962-1966 Is prolactin mitogenic for mammary epithelium? (mouse/insulin/serum/organ culture/DNA/pregnancy) .

.............................. Takami Oka and Yale J. Topper 1693-1696 Membrane dynamics in the action of dibutyryl adenosine cyclic 3': 5'-monophosphate and testosterone

on mammalian cells (reverse transformation/epithelial-like cells/fibroblast-like cells/microtubular-micro- fibrillar system) . . . . . . . . .. Theodore T. Puck, Charles A. Waldren, and Abraham W. Hsie 1943-1947

Excretion of deoxyribonucleic acid by lymphocytes stimulated with phytohemagglutinin or antigen (mitogenesis/pulse labeling/density gradient centrifugation/DNase) ................ ...... John C. Rogers, David Boldt, Stuart Kornfeld, Sister Ann Skinner, and C. Robert Valeri 1685-1689

Cell cycle changes and the ability of cells to undergo virus-induced fusion (mouse lymphocytes/cell sur- face/colcemid/hybrids) . . . . . . . . . . . . . .. John K. Stadler and Edward A. Adelberg 1929-1933

Protein synthesis in simian virus 40-infected monkey cells (Correction) .............. .............. . G. Walter, R. Roblin, and R. Dulbecco 1992

GENETICS Transcription in yeast: separation and properties of multiple RNA polymerases (eukaryote/transcription/ rifamycin AF/013) . . . . . . . . .... Ray Adman, Loren D. Schultz, and Benjamin D. Hall 1702-1706

Patterns of genetic differentiation in the slender wild oat species Avena barbata (California/Medi- terranean/natural selection/allozyme polymorphisms/morphological polymorphisms/electrophoresis) ... .......... ............ ..... . M. T. Clegg and R. W. Allard 1820-1824

Quantitative abnormalities of allotypic genes in families with primary immune deficiencies (immunoglob- ulin/Gm factor/alleles/inherited regulatory defect) . . . . Stephen D. Litwin and H. Hugh Fudenberg 1739-1743

IMMUNOLOGY Demonstration that antigen-binding cells are precursors of antibody-producing cells after purification with a fluorescence-activated cell sorter (keyhole limpet hemocyanin/human-serum albumin/adoptive secondary response/lymphocyte receptors/thymus-derived, bone marrow-derived cells) ......... .. ............... M. H. Julius, T. Masuda, and L. A. Herzenberg 1934-1938

Induction of immunological tolerance to soluble histocompatibility-2 antigens of mice (cytotoxins/hemag- glutinins/skin grafting) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...... . Lloyd W. Law, Ettore Appella, Samuel Strober, Peter W. Wright, and Thomas Fischetti 1858-1862

Expression of fetal antigens in tumor cells (tumor antigens/papova viruses/absorption ratio) ..... ............ Chou-Chik Ting, David H. Lavrin, Grace Shiu, and Ronald B. Herberman 1664-1668

MEDICAL Dopamine-,-hydroxylase activity in mouse neuroblastoma tumors and in cell cultures (5-bromodeoxy- SCIENCES uridine/catecholamines/norepinephrine) ................

........ Berta Anagnoste, Lewis S. Freedman, Menek Goldstein, John Broome, and Kjell Fuxe 1883-1886 Viral-related RNA in Hodgkins' disease and other human lymphomas (DNA-RNA hybridization/

Rauscher murine leukemia virus/cancer/neoplasia/tumor) . R. Hehlmann, D. Kufe, and S. Spiegelman 1727-1731 Diphenylhydantoin inhibition of sodium conductance in squid giant axon (dilantin/antiarrhythmic/

voltage clamp/anticonvulsant/potassium conductance) .. . . . . . . . . . . . . . . . . . . ................. Raymond J. Lipicky, Daniel L. Gilbert, and Irving M. Stillman 1758-1760

Sanfilippo syndrome: profound deficiency of alpha-acetylglucosaminidase activity in organs and skin fibroblasts from type-B patients (genetic disease/mucopolysaccharidosis/lysosomes/enzyme) ..... .................................... .John S. O'Brien 1720-1722

Heart attacks: possible risk factor (renin/theoretical/angiotensin/thrombus/atherosclerosis/myocardial infarction) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Irvine H. Page 1813-1815

The binding of [3Hjthyrotropin and an 3H-labeled exophthalmogenic factor by plasma membranes of retro-orbital tissue (Graves' disease/pretibial myxedema/LA TS/thyroid/Harderian gland) ...... ........................... Roger J. Winand and Leonard D. Kohn 1711-1715

(Continued on page 1995)

This content downloaded from 130.132.123.28 on Sat, 3 May 2014 12:37:47 PMAll use subject to JSTOR Terms and Conditions

Contents (Continued from outside back cover)

An RNA-DNA complex intermediate in ribosomal gene amplification (Xenopus laevis/RNA-dependent DNA synthesis) . . . . . . . . . . . . . . . . ...... Vijak Mahdavi and Marco Crippa 1749-1752

Deamidation in vivo of an asparagine residue of rabbit muscle aldolase (isozymes/electrofocusing/sub- units/protein structure) . . . . . . . . . . ..... Christian F. Midelfort and Alan H. Mehler 1816-1819

Characterization by electron microscopy of fused F-prime factors in Escherichia coli (episomes/bacterial genetics/contour lengths) . S. R. Palchaudhuri, A. J. Mazaitis, W. K. Maas, and A. K. Kleinschmidt 1873-1876

,32-Microglobulin--a free immunoglobulin domain (light and heavy chain/amino-acid sequence) ..... ........ Per A. Peterson, Bruce A. Cunningham, Ingemar Berggdrd, and Gerald M. Edelman 1697-1701

In vitro synthesis of enzymes of the tryptophan operon of Escherichia coli (anthranilate synthetase/trypto- phan synthetase/DNA-dependent protein synthesis) . . . . .. P. H. Pouwels and J. Van Rotterdam 1786-1790

3': 5'-Cyclic adenosine monophosphate phosphodiesterase: negative cooperativity (kinetics/models/com- puter analysis/enzyme regulation) .............................. .. . . . .. . . .. .. T. R. Russell, W. J. Thompson, F. W. Schneider, and M. M. Appleman 1791-1795

5-Fluoro-2'-deoxyuridylate: covalent complex with thymidylate synthetase (affinity labeling/enzyme mechanism/inhibition/fluorinated pyrimidines) ...... Daniel V. Santi and Charles S. McHenry 1855-1857

Selective inhibition of nuclear DNA synthesis by 9-0-D-arabinofuranosyl adenine in rat cells transformed by Rous sarcoma virus (circular extrachromosomal DNA/CsCl-propidium diiodide centrifugation/rat embryo fibroblasts) . . . . . . . ... Charles Shipman, Jr., Sandra H. Smith, and John C. Drach 1753-1757

Coupling of a new, active morphine derivative to Sepharose for affinity chromatography (6-succinyl- morphine/opiate receptors/antibodies/naloxone) . Eric J. Simon, William P. Dole, and Jacob M. Hiller 1835-1837

DNA polymerase of chicken embryo: purification and properties (poly(rA)- poly(dT) template/9000-fold purified/Mn+) . . . . . . ... Jannis G. Stavrianopoulos, John D. Karkas, and Erwin Chargaff 1781-1785

Increased susceptibility of cells treated with interferon to the toxicity of polyriboinosinic-polyribocyti- dylic acid (L cells/mouse embryo cells/human embryonic skin fibroblasts/VSV/ANDV) ........ . . .. .William E. Stewart II, Erik De Clercq, Alfons Billiau, Jan Desmyter, and Pierre De Somer 1851-1854

RNA-linked nascent DNA fragments in Escherichia coli (DNA biosynthesis/discontinuous replication/ pulse labeling/density gradient centrifugation/RNA biosynthesis/rifampicin) ........... ....................... Akio Sugino, Susumu Hirose, and Reiji Okazaki 1863-1867

Purification and properties of biologically active messenger RNA for a myeloma light chain (poly(A )- mRNA/oligo d(T)-cellulose/monocistronic 13S mRNA) .... . D. Swan, H. Aviv, and P. Leder 1967-1971

The temporal expression of T2r+ bacteriophage genes in vivo and in vitro (template/initiation/enzyme synthesis/chloramphenicol RNA) ....... . Robert B. Trimble, John Galivan, and Frank Maley 1659-1663

Properties of the refolding and unfolding reactions of ribonuclease A (kinetic intermediates/protein un- folding/nucleation) ............ Tian Y. Tsong, Robert L. Baldwin, and Elliot L. Elson 1809-1812

Complex lipid requirements for detergent-solubilized phosphoacetylmuramyl-pentapeptide translocase from Micrococcus luteus (Triton X-100/cell wall synthesis/membrane-bound/C?-isoprenyl alcohol/en- zyme) . . . . . . . . . . . . . . . . . . . . . . . . Jay N. Umbreit and Jack L. Strominger 1972-1974

Sequential degradation of insulin by rat liver homogenates (glutathione-insulin transhydrogenase/A and B chains of insulin/diabetes) . . . . . P. T. Varandani, Lois A. Shroyer, and Mary Ann Nafz 1681-1684

Conformation of lysine vasopressin: a comparison with oxytocin (proton magnetic resonance/neurohypo- physeal hormones/three-dimensional structure/pseudo-frequency sweep decoupling/spectral assignments) . Roderich Walter, J. D. Glickson, 1. L. Schwartz, R. T. Havran, Johannes Meienhofer, and D. W. Urry 1920-1924

Surface glycoproteins of normal and transformed cells: a difference determined by sialic acid and a growth-dependent sialyl transferase (fucose-labeled surface components/malignant cells/temperature- sensitive oncogenic virus mutants/hamster/N-acetylneuraminic acid/chick) ............. .......................... L. Warren, J. P. Fuhrer, and C. A. Buck 1838-1842

Phenylalanyl-tRNA synthetase and isoleucyl-tRNAPhe: a possible verification mechanism for aminoacyl- tRNA (misaminoacylation/coding/recognition) . . . . . . . . . . . . ..... Michael Yarus 1915-1919

Polyadenylic acid at the 3'-terminus of poliovirus RNA (chemical labeling/enzymatic fragmentation/ Millipore-filter binding/column chromatography/gel electrophoresis) ................ ........................... . Yoshiaki Yogo and Eckard Wimmer 1877-1882

Polypeptide chain initiation in eukaryotes: functional identity of supernatant factor from various sources (Artemia salina/embryos/cysts/brine-shrimp eggs/eukaryotic ribosomes) ...... ............................ . Michael Zasloff and Severo Ochoa 1796-1799

Deletion mutants of bacteriophage >X174 (electron microscopy/DNA heteroduplex/density gradient cen- trifugation/polyacrylamide gel electrophoresis) ..................... ............... Anthony J. Zuccarelli, Robert M. Benbow, and Robert L. Sinsheimer 1905-1910

CELL BIOLOGY Carbamoyl phosphate compartmeritation in Neurospora: histochemical localization of aspartate and ornithine transcarbamoylases (chtnnelling/arginine/pyrimidines/electron microscope /eukaryotes) . . .

......................... Sharon A. Bernhardt and Rowland H. Davis 1868-1872 An engineering study of the peristaltic drive of axonal flow (neuroplasmic flow/model/viscosimetry/axo-

plasm) ................. Robert J. Biondi, Martin J. Levy, and Paul A. Weiss 1732-1736 Effect of environmental pH on the efficiency of cellular hybridization (human-mouse/heterokaryocytes/

multinucleate/Sendai virus fusion/lysolecithin) . . Carlo M. Croce, Hilary Koprowski, and Harry Eagle 1953-1956

(Continued on page 1996)

This content downloaded from 130.132.123.28 on Sat, 3 May 2014 12:37:47 PMAll use subject to JSTOR Terms and Conditions

Contents Vol. 69, No. 7 July 1972

INFORMATION TO CONTRIBUTORS .......................................

AN OPEN LETTER TO OUR SCIENTIFIC COLLEAGUES ..............................

Physical Sciences

CHEMISTRY Conformational interconversions of the cyclic hexapeptide cyclo(Pro-Gly)3 (peptides/NMR/alkali metal complexes) . .. .. Charles M. Deber, Dennis A. Torchia, Simon C. K. Wong, and Elkan R. Blout

Observation of cooperative ionizations in hemoglobin ("gF-NMR/speciflcally labeled proteins/molecular regulation mechanisms/hydrophobic interactions) . .... Wray H..Huestis and Michael A. Raftery

Experimental evidence of an x-ray laser (coherent radiation/copper(II) gel target/neodymium-glass pump) ........ . . . . . . John G. Kepros, Edward M. Eyring, and F. William Cagle, Jr.

Physical adsorption of the quantum gas (hydrogen/helium/deuterium/partition function) ....... .................. Un Sik Kim, R. Schmidt, Mu Shik Jhon, and Henry Eyring

Natural-abundance carbon-13 Fourier-transform nuclear magnetic resonance spectra and spin lattice relaxation times of unfractionated yeast transfer-IRNA (Mg++/temperature/concentration/linewidths/ aggregation) . . . . . . . . . . . . . ...... Richard A. Komoroski and Adam Allerhand

Functional nonequivalence of ax and 1 hemes in human adult hemoglobin (NMR/preferential ligand bind- ing/organic phosphates/models of cooperative ligand binding) . ... Ted R. Lindstrom and Chien Ho

Mechanism of cooperative oxygen binding to hemoglobin (Correction) .............. ........ ...... .............. R. T. Ogata and H. M. McConnell

A ncvel mechanism for the NI-I-shift (1,4-dimethylbenzene oxide isomerization/kinetic analysis/non- enzymatic additions/microsomal oxidation/carcinogenesis) .................... .......... Haruhiko Yagi, Donald M. Jerina, George J. Kasperek, and Thomas C. Bruice

MATHEMATICS Bifurcation theory and the type numbers of Marston Morse ........... Melvyn S. Berger Q-Theorems for Riemann's zeta-function at harmonic combinations of points . . . Norman Levinson

Biological Sciences

BIOCHEMISTRY 2'-O-Methylation of adenosine, guanosine, uridine, and cytidine in RNA of isolated rat liver nuclei

(S-adenosyl methionine/wheat-germ RNA /paper chromatography) ................ ........................ Adhid Al-Arif and Michael B. Sporn

Role of DNA and specific cytoplasmic receptors in glucocorticoid action (steroids/hormone action/enzyme induction/tyrosine aminotransferase/tissue culture) . . . . . . . . . . ..... John D. Baxter, Guy G. Rousseau, M. Christina Benson, Robert L. Garcea, James Ito, and Gordon M. Tomkins

Identification of lactate dehydrogenase isoenzymes by rapid kinetics (stopped-flow technique/serum en-

zymes/ternary complexes) ....... Michael J. Bishop, Johannes Everse, and Nathan 0. Kaplan On the role of RNA in gene amplification (Xenopus laevis/RNA-ribosomal DNA complex/DNA synthesis)

. ... . . . . . . . . ..... . . . Ronald D. Brown and Glauco P. Tocchini-Valentini Relaxation study of complex formation between monovalent cations and cyclic polyethers (crown ethers/

spectrophotometry/hydration energy/binding energy) .. . . . . . . . . ..... . P. B. Chock Surface properties of membrane systems: apoprotein of the Folch-Lees proteolipid from beef-brain

myelin (infrared spectroscopy/alpha helix/surface tension) ................... ........................ G. Colacicco, H. Hendrickson, and S. Joffe

Calcium-like action of phenethylbiguanide and related compounds: inhibition of pyruvate kinase (en- zyme kinetics/metal substrate-bridge enzymes . . . . . . . .... Frank Davidoff and Stephen Carr

Ultraviolet chromophore transitions in the rhodopsin spectrum (cis peaks/perturbation difference spectra/ retinal/Schiff bases) . . . . . . . . . . . . . . . . . ... Thomas G. Ebrey and Barry Honig

Characterization and partial purification of the acetylcholine receptor from Torpedo electroplax (acetyl- choline binding/acetylcholinesterase/chemical modification/electrofocusing) ............. ..................... Mohyee E. Eldefrawi and Amira Toppozada Eldefrawi

Purification and biological activity of thymosin, a hormone of the thymus gland (thymus/rosette-forming cells/thymectomy/lymphoid cells/mouse) ........................... . .. . Allan L. Goldstein, Arabinda Guha, Marion M. Zatz, Mark A. Hardy, and Abraham White

Patterns of simian virus 40 DNA transcription after acute infection of permissive and nonpermissive cells (SV40/tissue culture/monkey/mouse/plus and minus strands/RNA synthesis) ........ .................... George Khoury, Janet C. Byrne, and Malcolm A. Martin

Electron microscope studies of hetcroduplex DNA from a deletion mutant of bacteriophage OX-174 (E. coli/phage lysozyme/length measurements/single-strand loops/DNA oligomers) ........... .................... Jung-suh Kim, Phillip A. Sharp, and Norman Davidson

Physicochemical characterization of mitochondrial I)NA from pea leaves (circular conformation/molec- ular size/renaturation kinetics) . . . . . . . . . . ..... Richard Kolodner and K. K. Tewari

Association of actinomycin 1) and deoxyribodinucleotides as a model for binding of the drug to DNA

(spectroscopy/complex formation/intercalation) . . . . . . . . . . ..... Thomas R. Krugh Synthesis, acetylation, and phosphorylation of histone IV and its binding to 1)NA during spermato-

genesis in trout (starch gels/kinetics of labeling/histone-DNA binding) ............ ................ ..... . Andrew J. Louie and Gordon H. Dixon

i-iv

1993

1825-1829

1887-1891

1744-1745

1690-1692

1804-1808

1707-1710

1992

1985-1986

1737-1738 1657-1658

1716-1719

1892-1896

1761-1765

1746-1748

1939-1942

1848-1850

1957-1961

1897-1899

1776-1780

1800-1803

1925-1928

1948-1952

1830-1834

1911-1914

1975-1979

(Continued on inside back cover)

This content downloaded from 130.132.123.28 on Sat, 3 May 2014 12:37:47 PMAll use subject to JSTOR Terms and Conditions