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Volume 68(6);  June 1971
The cover of the journal
Biological Sciences: Anthropology
Beginnings of Village-Farming Communities in Southeastern Turkey
Robert J. Braidwood, Halet Çambel, Charles L. Redman, and Patty Jo Watson
Proc Natl Acad Sci U S A. 1971 June; 68(6): 1236–1240.
PMCID: PMC389161
Biological Sciences: Biochemistry
Identification of the Essential Light Chains of Myosin
Jocelyn Dow and A. Stracher
Proc Natl Acad Sci U S A. 1971 June; 68(6): 1107–1110.
PMCID: PMC389129
Evidence for the Existence of Several Molecular Species in the “45S Fraction” of Mammalian Ribosomal Precursor RNA
Pierre Tiollais, Francis Galibert, and Michel Boiron
Proc Natl Acad Sci U S A. 1971 June; 68(6): 1117–1120.
PMCID: PMC389132
Unusual Fragments in the Subunit Structure of Concanavalin A
John L. Wang, Bruce A. Cunningham, and Gerald M. Edelman
Proc Natl Acad Sci U S A. 1971 June; 68(6): 1130–1134.
PMCID: PMC389135
Crystallization and Preliminary Structural Analysis of Dihydrolipoyl Transsuccinylase, the Core of the 2-Oxoglutarate Dehydrogenase Complex
David J. Derosier, Robert M. Oliver, and Lester J. Reed
Proc Natl Acad Sci U S A. 1971 June; 68(6): 1135–1137.
PMCID: PMC389136
Evidence for Procollagen, a Biosynthetic Precursor of Collagen
Garland Bellamy and Paul Bornstein
Proc Natl Acad Sci U S A. 1971 June; 68(6): 1138–1142.
PMCID: PMC389137
Differential Effect of 5-Bromodeoxyuridine on the Concentrations of Specific Enzymes in Hepatoma Cells in Culture
Robert H. Stellwagen and Gordon M. Tomkins
Proc Natl Acad Sci U S A. 1971 June; 68(6): 1147–1150.
PMCID: PMC389139
Heterogeneity, Complexity, and Repetition of the Chloroplast DNA of Chlamydomonas reinhardtii
Deepak Bastia, Kwen-Sheng Chiang, Hewson Swift, and Peter Siersma
Proc Natl Acad Sci U S A. 1971 June; 68(6): 1157–1161.
PMCID: PMC389141
Circular Chloroplast DNA from Euglena gracilis
Jerry E. Manning, David R. Wolstenholme, Robert S. Ryan, Janice A. Hunter, and Oliver C. Richards
Proc Natl Acad Sci U S A. 1971 June; 68(6): 1169–1173.
PMCID: PMC389144
Transduction of the Nitrogen-Fixation Genes in Klebsiella pneumoniae
Stanley Streicher, Elizabeth Gurney, and Raymond C. Valentine
Proc Natl Acad Sci U S A. 1971 June; 68(6): 1174–1177.
PMCID: PMC389145
Interaction of Aromatic Amino Acids with Neutral Polyadenylic Acid
M. Raszka and M. Mandel
Proc Natl Acad Sci U S A. 1971 June; 68(6): 1190–1191.
PMCID: PMC389150
Fluorescence Spectroscopy of an Oriented Model Membrane
Juan Yguerabide and Lubert Stryer
Proc Natl Acad Sci U S A. 1971 June; 68(6): 1217–1221.
PMCID: PMC389157
Purification and DNA-Binding Properties of the Catabolite Gene Activator Protein
A. D. Riggs, G. Reiness, and G. Zubay
Proc Natl Acad Sci U S A. 1971 June; 68(6): 1222–1225.
PMCID: PMC389158
New Forms of Bovine Carboxypeptidase B and Their Homologous Relationships to Carboxypeptidase A
Gerald R. Reeck, Kenneth A. Walsh, Mark A. Hermodoson, and Hans Neurath
Proc Natl Acad Sci U S A. 1971 June; 68(6): 1226–1230.
PMCID: PMC389159
Isolation of a Calcium-Sequestering Protein from Sarcoplasmic Reticulum
David H. MacLennan and P. T. S. Wong
Proc Natl Acad Sci U S A. 1971 June; 68(6): 1231–1235.
PMCID: PMC389160
Acetyl CoA Carboxylase: The Purified Transcarboxylase Component
Alfred W. Alberts, Stuart G. Gordon, and P. Roy Vagelos
Proc Natl Acad Sci U S A. 1971 June; 68(6): 1259–1263.
PMCID: PMC389167
Insulin-Receptor Interactions in Adipose Tissue Cells: Direct Measurement and Properties
Pedro Cuatrecasas
Proc Natl Acad Sci U S A. 1971 June; 68(6): 1264–1268.
PMCID: PMC389168
Evidence for Induction by Cortisol In Vitro of a Protein Inhibitor of Transport and Phosphorylation Processes in Rat Thymocytes
Maynard H. Makman, B. Dvorkin, and Abraham White
Proc Natl Acad Sci U S A. 1971 June; 68(6): 1269–1273.
PMCID: PMC389169
Mechanism of Action of 1,25-Dihydroxycholecalciferol on Intestinal Calcium Transport
Y. Tanaka, H. F. DeLuca, J. Omdahl, and M. F. Holick
Proc Natl Acad Sci U S A. 1971 June; 68(6): 1286–1288.
PMCID: PMC389173
Adenosine Triphosphate-Dependent Synthesis of Biologically Active DNA by Azide-Poisoned Bacteria
A. T. Ganesan
Proc Natl Acad Sci U S A. 1971 June; 68(6): 1296–1300.
PMCID: PMC389176
A Bovine Pancreatic Enzyme Catalyzing the Conversion of Proinsulin to Insulin
C. C. Yip
Proc Natl Acad Sci U S A. 1971 June; 68(6): 1312–1315.
PMCID: PMC389179
Effect of Double-Stranded Viral RNA on Mammalian Cells in Culture
B. Cordell-Stewart and Milton W. Taylor
Proc Natl Acad Sci U S A. 1971 June; 68(6): 1326–1330.
PMCID: PMC389182
A Polynucleotide Segment Rich in Adenylic Acid in the Rapidly-Labeled Polyribosomal RNA Component of Mouse Sarcoma 180 Ascites Cells
Se Yong Lee, Jozef Mendecki, and George Brawerman
Proc Natl Acad Sci U S A. 1971 June; 68(6): 1331–1335.
PMCID: PMC389183
Polyadenylic Acid Sequences in the Heterogeneous Nuclear RNA and Rapidly-Labeled Polyribosomal RNA of HeLa Cells: Possible Evidence for a Precursor Relationship
Mary Edmonds, Maurice H. Vaughan, Jr., and Hiroshi Nakazato
Proc Natl Acad Sci U S A. 1971 June; 68(6): 1336–1340.
PMCID: PMC389184
Conformational Model of Active Transport: Role of Protons
John H. Young, George A. Blondin, and David E. Green
Proc Natl Acad Sci U S A. 1971 June; 68(6): 1364–1368.
PMCID: PMC389190
RNA-Dependent RNA Polymerase Activity in Influenza Virions
Edward Penhoet, Henry Miller, Michael Doyle, and Stanley Blatti
Proc Natl Acad Sci U S A. 1971 June; 68(6): 1369–1371.
PMCID: PMC389191
In Vitro Synthesis of Deoxynucleotide Kinase Programmed by Bacteriophage T4-RNA
Shigeru Sakiyama and John M. Buchanan
Proc Natl Acad Sci U S A. 1971 June; 68(6): 1376–1380.
PMCID: PMC389193
Biological Sciences: Botany
Induction of Cytokinin-Independent Tobacco Tissues by Substituted Fluorenes
Thomas W. Bednar and Elfriede M. Linsmaier-Bednar
Proc Natl Acad Sci U S A. 1971 June; 68(6): 1178–1179.
PMCID: PMC389146
Biological Sciences: Cell Biology
Restoration of Contact-Inhibited Growth to Transformed Cells by Dibutyryl Adenosine 3′:5′-Cyclic Monophosphate
J. R. Sheppard
Proc Natl Acad Sci U S A. 1971 June; 68(6): 1316–1320.
PMCID: PMC389180
Biological Sciences: Genetics
Induction of Translocations in Mature Drosophila Oocytes Over a Dose Range of 10-500 Roentgens of X-Rays
S. Abrahamson, P. Gullifor, E. Sabol, and J. Voigtlander
Proc Natl Acad Sci U S A. 1971 June; 68(6): 1095–1097.
PMCID: PMC389126
Isolation and Chromosomal Localization of Highly Repeated DNA Sequences in Drosophila melanogaster
M. Botchan, R. Kram, C. W. Schmid, and J. E. Hearst
Proc Natl Acad Sci U S A. 1971 June; 68(6): 1125–1129.
PMCID: PMC389134
Organelle Mutations and Their Expression in Chlamydomonas reinhardi
Stefan J. Surzycki and Nicholas W. Gillham
Proc Natl Acad Sci U S A. 1971 June; 68(6): 1301–1306.
PMCID: PMC389177
Temperature-Sensitive Mutations in Drosophila melanogaster, VIII. The Homeotic Mutant, ssa40a
Thomas Grigliatti and David T. Suzuki
Proc Natl Acad Sci U S A. 1971 June; 68(6): 1307–1311.
PMCID: PMC389178
Biological Sciences: Immunology
Antibody Formation: Reduced Responses After Administration of Excessive Amounts of Nonspecific Stimulators
Werner Braun and Masaaki Ishizuka
Proc Natl Acad Sci U S A. 1971 June; 68(6): 1114–1116.
PMCID: PMC389131
Heavy-Chain Variable Regions in Normal and Pathological Immunoglobulins
A. C. Wang, H. H. Fudenberg, and J. R. L. Pink
Proc Natl Acad Sci U S A. 1971 June; 68(6): 1143–1146.
PMCID: PMC389138
Extrinsic Cotton Effects in Hapten—Carrier and Hapten—Antibody Interactions
Vincent Reid, Michael Glaser, Roger Kennett, and S. J. Singer
Proc Natl Acad Sci U S A. 1971 June; 68(6): 1184–1187.
PMCID: PMC389148
Membrane-Associated DNA in the Cytoplasm of Diploid Human Lymphocytes
R. A. Lerner, W. Meinke, and D. A. Goldstein
Proc Natl Acad Sci U S A. 1971 June; 68(6): 1212–1216.
PMCID: PMC389156
Structural Basis of the A14 and A15 Allotypic Specificities in Rabbit Immunoglobulin G
E. Appella, A. Chersi, R. G. Mage, and S. Dubiski
Proc Natl Acad Sci U S A. 1971 June; 68(6): 1341–1345.
PMCID: PMC389185
In Vitro Detection of Cytotoxic Cellular Immunity Against Tumor-Specific Antigens by a Radioisotopic Technique
S. M. Jagarlamoody, J. C. Aust, R. H. Tew, and C. F. McKhann
Proc Natl Acad Sci U S A. 1971 June; 68(6): 1346–1350.
PMCID: PMC389186
An Alternate Complement Pathway: C-3 Cleaving Activity, Not Due to [unk], on Endotoxic Lipopolysaccharide after Treatment with Guinea Pig Serum; Relation to Properdin
Robert L. Marcus, Hyun S. Shin, and Manfred M. Mayer
Proc Natl Acad Sci U S A. 1971 June; 68(6): 1351–1354.
PMCID: PMC389187
Suggestive Evidence That the “Blocking Antibodies” of Tumor-Bearing Individuals May Be Antigen-Antibody Complexes
H. O. Sjögren, I. Hellström, S. C. Bansal, and K. E. Hellström
Proc Natl Acad Sci U S A. 1971 June; 68(6): 1372–1375.
PMCID: PMC389192
Biological Sciences: Medical Sciences
Potassium Cyanate as an Inhibitor of the Sickling of Erythrocytes In Vitro
Anthony Cerami and James M. Manning
Proc Natl Acad Sci U S A. 1971 June; 68(6): 1180–1183.
PMCID: PMC389147
Relation of the Conformation of Oxytocin to the Biology of Neurohypophyseal Hormones
Roderich Walter, I. L. Schwartz, J. H. Darnell, and D. W. Urry
Proc Natl Acad Sci U S A. 1971 June; 68(6): 1355–1359.
PMCID: PMC389188
Biological Sciences: Microbiology
DNA Synthesis in Mixed Cultures of Rat Leukocytes and Allogeneic Dissociated Skin Cells
Raymond K. Main, Kent C. Cochrum, Marjorie J. Jones, and Samuel L. Kountz
Proc Natl Acad Sci U S A. 1971 June; 68(6): 1165–1168.
PMCID: PMC389143
Analysis of the Events Leading to SV40-Induced Chromosome Replication and Mitosis in Primary Mouse Kidney Cell Cultures
Evelyne May, Pierre May, and Roger Weil
Proc Natl Acad Sci U S A. 1971 June; 68(6): 1208–1211.
PMCID: PMC389155
An Adenylic Acid-Rich Sequence in Messenger RNA of HeLa Cells and Its Possible Relationship to Reiterated Sites in DNA
J. E. Darnell, R. Wall, and R. J. Tushinski
Proc Natl Acad Sci U S A. 1971 June; 68(6): 1321–1325.
PMCID: PMC389181
Biological Sciences: Pathology
In Vitro Transformation of Rodent Cells by K-Region Derivatives of Polycyclic Hydrocarbons
Philip L. Grover, Peter Sims, Eliezer Huberman, Hans Marquardt, Toshio Kuroki, and Charles Heidelberger
Proc Natl Acad Sci U S A. 1971 June; 68(6): 1098–1101.
PMCID: PMC389127
Biological Sciences: Physiology
A Unique Synaptosomal Fraction, Which Accumulates Glutamic and Aspartic Acids, in Brain Tissue
Alan R. Wofsey, Michael J. Kuhar, and Solomon H. Snyder
Proc Natl Acad Sci U S A. 1971 June; 68(6): 1102–1106.
PMCID: PMC389128
Sympathetic Reinnervation of the Rat Iris in Organ Culture
Stephen D. Silberstein, David G. Johnson, David M. Jacobowitz, and Irwin J. Kopin
Proc Natl Acad Sci U S A. 1971 June; 68(6): 1121–1124.
PMCID: PMC389133
Local Supply of Energy to the Fast Axoplasmic Transport Mechanism
Sidney Ochs
Proc Natl Acad Sci U S A. 1971 June; 68(6): 1279–1282.
PMCID: PMC389171
Biological Sciences: Psychology
Acetoxycycloheximide and Transient Amnesia in the Rat
Roger G. Serota
Proc Natl Acad Sci U S A. 1971 June; 68(6): 1249–1250.
PMCID: PMC389164
Biological Sciences: Zoology
Interactions in Colonies of Primitively Social Bees: Artificial Colonies of Lasioglossum zephyrum
Charles D. Michener, Denis J. Brothers, and Dwight R. Kamm
Proc Natl Acad Sci U S A. 1971 June; 68(6): 1241–1245.
PMCID: PMC389162
Regional Coexistence of Species and Competition between Rare Species
Richard Levins and David Culver
Proc Natl Acad Sci U S A. 1971 June; 68(6): 1246–1248.
PMCID: PMC389163
Interconnected Patterns of Biogeography and Evolution
Philip J. Darlington, Jr.
Proc Natl Acad Sci U S A. 1971 June; 68(6): 1254–1258.
PMCID: PMC389166
Temperature Physiology of the Sea Snake Pelamis platurus: An Index of Its Colonization Potential in the Atlantic Ocean
J. B. Graham, I. Rubinoff, and M. K. Hecht
Proc Natl Acad Sci U S A. 1971 June; 68(6): 1360–1363.
PMCID: PMC389189
Physical Sciences: Applied Mathematics
A New Labor Theory of Value for Rational Planning Through Use of the Bourgeois Profit Rate
C. C. Von Weizsäcker and Paul A. Samuelson
Proc Natl Acad Sci U S A. 1971 June; 68(6): 1192–1194.
PMCID: PMC389151
Physical Sciences: Chemistry
The Crystal and Molecular Structure of an Intermolecular Complex between Riboflavin and an Adenosine Derivative
Donald Voet and Alexander Rich
Proc Natl Acad Sci U S A. 1971 June; 68(6): 1151–1156.
PMCID: PMC389140
Conformation of Cyclolinopeptide A Observed by Circular Dichroism
Fred Naider, Ettore Benedetti, and Murray Goodman
Proc Natl Acad Sci U S A. 1971 June; 68(6): 1195–1198.
PMCID: PMC389152
Conformation of Cyclolinopeptide A Observed by Nuclear Magnetic Resonance Spectroscopy
Anne I. Brewster and F. A. Bovey
Proc Natl Acad Sci U S A. 1971 June; 68(6): 1199–1202.
PMCID: PMC389153
Approximate Treatment of the Conformational Characteristics of a Cyclic Nonapeptide, Cyclolinopeptide A
A. E. Tonelli
Proc Natl Acad Sci U S A. 1971 June; 68(6): 1203–1207.
PMCID: PMC389154
Molecular Characteristics of Some Carcinogenic Hydrocarbons
Ercole Cavalieri and Melvin Calvin
Proc Natl Acad Sci U S A. 1971 June; 68(6): 1251–1253.
PMCID: PMC389165
Bent Fatty Acid Chains in Lecithin Bilayers
Betty Gaffney McFarland and Harden M. McConnell
Proc Natl Acad Sci U S A. 1971 June; 68(6): 1274–1278.
PMCID: PMC389170
Ring Orientation in βIonone and Retinals
B. Honig, B. Hudson, B. D. Sykes, and M. Karplus
Proc Natl Acad Sci U S A. 1971 June; 68(6): 1289–1293.
PMCID: PMC389174
Practical, Stereoselective Synthesis of Cecropia Juvenile Hormone
E. E. Van Tamelen, P. McCurry, and U. Huber
Proc Natl Acad Sci U S A. 1971 June; 68(6): 1294–1295.
PMCID: PMC389175
Physical Sciences: Geology
The Ages of the Lunar Seas
L. B. Ronca
Proc Natl Acad Sci U S A. 1971 June; 68(6): 1188–1189.
PMCID: PMC389149
Physical Sciences: Geophysics
The Magnetic Field Induced by the Bodily Tide in the Core of the Earth
C. L. Pekeris
Proc Natl Acad Sci U S A. 1971 June; 68(6): 1111–1113.
PMCID: PMC389130
Physical Sciences: Mathematics
Tricubic Polynomial Interpolation
Garrett Birkhoff
Proc Natl Acad Sci U S A. 1971 June; 68(6): 1162–1164.
PMCID: PMC389142
Physical Sciences: Physics
Experiments on Osmosis with Magnetic Fluid
P. F. Scholander and M. Perez
Proc Natl Acad Sci U S A. 1971 June; 68(6): 1093–1094.
PMCID: PMC389125
Magnetic Anisotropy and the Orientation of Retinal Rods in a Homogeneous Magnetic Field
Felix T. Hong, David Mauzerall, and Alexander Mauro
Proc Natl Acad Sci U S A. 1971 June; 68(6): 1283–1285.
PMCID: PMC389172
Corrections
Further characterization of the cellular DNA hybridizing with the RNA of Rous sarcoma virus
Proc Natl Acad Sci U S A. 1971 June; 68(6): 1381.
PMCID: PMC389194
Corrects: M. Yoshikawa-Fukada, et al. Further Characterization of the Cellular DNA Hybridizing with the RNA of Rous Sarcoma Virus. Proc Natl Acad Sci U S A. 1971 April; 68(4): 743–746.
Calcium as a regulator of the proliferation of normal, but not of transformed, chicken fibroblasts in a plasma-containing medium
Proc Natl Acad Sci U S A. 1971 June; 68(6): 1381.
PMCID: PMC389195
Corrects: Samuel D. Balk. Calcium as a Regulator of the Proliferation of Normal, but Not of Transformed, Chicken Fibroblasts in a Plasma-Containing Medium. Proc Natl Acad Sci U S A. 1971 February; 68(2): 271–275.
Journal Matter
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