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Volume 45(7);  July 1959
The cover of the journal
Biochemistry
SUGAR NUCLEOTIDES IN THE INTERCONVERSION OF CARBOHYDRATES IN HIGHER PLANTS
W. Z. Hassid, E. F. Neufeld, and D. S. Feingold
Proc Natl Acad Sci U S A. 1959 July; 45(7): 905–915.
PMCID: PMC222664
EFFECT OF SOLVENTS AND OF TEMPERATURE ON THE OPTICAL ROTATORY PROPERTIES OF PEPSIN
Gertrude E. Perlmann
Proc Natl Acad Sci U S A. 1959 July; 45(7): 915–922.
PMCID: PMC222665
UNITY IN THE SPECIFICITY OF ENZYME AND ANTIBODY INDUCTION BY THE SAME DETERMINANT GROUPS
Stuart W. Tanenbaum, Michael Mage, and Sam M. Beiser
Proc Natl Acad Sci U S A. 1959 July; 45(7): 922–929.
PMCID: PMC222666
AN EARLY PHASE IN THE BACTERICIDAL ACTION OF 5-FLUOROURACIL ON E. COLI K12. OSMOTIC IMBALANCE
Alexander Tomasz and Ernest Borek
Proc Natl Acad Sci U S A. 1959 July; 45(7): 929–932.
PMCID: PMC222667
Botany
A DEMONSTRATION OF THE RECOVERY OF THE CROWN-GALL TUMOR CELL WITH THE USE OF COMPLEX TUMORS OF SINGLE-CELL ORIGIN
Armin C. Braun
Proc Natl Acad Sci U S A. 1959 July; 45(7): 932–938.
PMCID: PMC222668
Chemistry
EQUILIBRIUM SEDIMENTATION IN A DENSITY GRADIENT OF MATERIALS HAVING A CONTINUOUS DISTRIBUTION OF EFFECTIVE DENSITIES
Robert L. Baldwin
Proc Natl Acad Sci U S A. 1959 July; 45(7): 939–944.
PMCID: PMC222669
AGGREGATION OF DYES BOUND TO POLYANIONS
D. F. Bradley and M. K. Wolf
Proc Natl Acad Sci U S A. 1959 July; 45(7): 944–952.
PMCID: PMC222670
SEARCH FOR UNSTABLE CO2 FIXATION PRODUCTS IN ALGAE USING LOW TEMPERATURE LIQUID SCINTILLATORS
Zofia Kasprzyk and Melvin Calvin
Proc Natl Acad Sci U S A. 1959 July; 45(7): 952–959.
PMCID: PMC222671
RADIOACTIVE FALLOUT PARTICULARLY FROM THE RUSSIAN OCTOBER SERIES
W. F. Libby
Proc Natl Acad Sci U S A. 1959 July; 45(7): 959–976.
PMCID: PMC222672
Genetics
GENETIC RECOMBINATION BETWEEN ESCHERICHIA COLI AND SALMONELLA TYPHIMURIUM
L. S. Baron, W. F. Carey, and W. M. Spilman
Proc Natl Acad Sci U S A. 1959 July; 45(7): 976–984.
PMCID: PMC222673
ROLE OF EPISTASIS AND OVERDOMINANCE IN STABILITY OF EQUILIBRIA WITH SELECTION
Ken-ichi Kojima
Proc Natl Acad Sci U S A. 1959 July; 45(7): 984–989.
PMCID: PMC222674
STABLE EQUILIBRIA FOR THE OPTIMUM MODEL
Ken-ichi Kojima
Proc Natl Acad Sci U S A. 1959 July; 45(7): 989–993.
PMCID: PMC222675
PLEIOTROPY AND COMPETITION AT THE VERMILION LOCUS IN DROSOPHILA MELANOGASTER
P. A. Parsons and M. M. Green
Proc Natl Acad Sci U S A. 1959 July; 45(7): 993–996.
PMCID: PMC222676
INCORPORATION OF H3 CYTIDINE AND H3 THYMIDINE INTO GIANT CHROMOSOMES OF DROSOPHILA DURING PUFF FORMATION
George T. Rudkin and Philip S. Woods
Proc Natl Acad Sci U S A. 1959 July; 45(7): 997–1003.
PMCID: PMC222677
PARENTAL CONTROL OF POSITION-EFFECT VARIEGATION: I. PARENTAL HETEROCHROMATIN AND EXPRESSION OF THE WHITE LOCUS IN COMPOUND-X DROSOPHILA MELANOGASTER
Janice B. Spofford
Proc Natl Acad Sci U S A. 1959 July; 45(7): 1003–1007.
PMCID: PMC222678
THE SOMATIC CHROMOSOMAL CONSTITUTION OF SOME HUMAN SUBJECTS WITH GENETIC DEFECTS
J. H. Tjio, T. T. Puck, and A. Robinson
Proc Natl Acad Sci U S A. 1959 July; 45(7): 1008–1016.
PMCID: PMC222679
THE EFFECTS OF DELETIONS, POINT MUTATIONS, REVERSIONS AND SUPPRESSOR MUTATIONS ON THE TWO COMPONENTS OF THE TRYPTOPHAN SYNTHETASE OF ESCHERICHIA COLI
Charles Yanofsky and Irving P. Crawford
Proc Natl Acad Sci U S A. 1959 July; 45(7): 1016–1026.
PMCID: PMC222680
Mathematics
ON THE LIMIT OF SOLUTIONS OF DIFFERENTIAL-DIFFERENCE EQUATIONS AS THE RETARDATION APPROACHES ZERO
Richard Bellman and Kenneth L. Cooke
Proc Natl Acad Sci U S A. 1959 July; 45(7): 1026–1028.
PMCID: PMC222681
THE RICCI PRINCIPAL DIRECTION VECTORS
Luther P. Eisenhart
Proc Natl Acad Sci U S A. 1959 July; 45(7): 1028–1031.
PMCID: PMC222682
AN EXTENSION OF CERTAIN RESULTS IN FUNCTION THEORY TO A CLASS OF SURFACES
Robert Osserman
Proc Natl Acad Sci U S A. 1959 July; 45(7): 1031–1035.
PMCID: PMC222683
Microbiology
THE PROPAGATION OF MULTIPLE VIRUSES IN CHICK KIDNEY CULTURES
Hunein F. Maassab
Proc Natl Acad Sci U S A. 1959 July; 45(7): 1035–1039.
PMCID: PMC222684
THE RELATIVE HOMOGENEITY OF MICROBIAL DNA
Ronald Rolfe and Matthew Meselson
Proc Natl Acad Sci U S A. 1959 July; 45(7): 1039–1043.
PMCID: PMC222685
STRAIN SPECIFICITY AND PRODUCTION OF ANTIBIOTIC SUBSTANCES. X. CHARACTERIZATION AND CLASSIFICATION OF SPECIES WITHIN THE STREPTOMYCES GRISEUS GROUP
Selman A. Waksman
Proc Natl Acad Sci U S A. 1959 July; 45(7): 1043–1047.
PMCID: PMC222686
NAS Membership July 1959
NATIONAL ACADEMY OF SCIENCES
Proc Natl Acad Sci U S A. 1959 July; 45(7): 1101–1138.
PMCID: PMC222691
Physics
COMPENSATIONS IN ELECTRON EXCITATION EFFECTS IN p-p AND p-n SCATTERING
M. DeWit, C. R. Fischer, and W. Zickendraht
Proc Natl Acad Sci U S A. 1959 July; 45(7): 1047–1052.
PMCID: PMC222687
A SURVEY OF OUR PRESENT SOURCES OF INFORMATION ON THE CONVERSION CONSTANT, A(=λg/λs) AND THE ABSOLUTE WAVELENGTHS OF X-RAY EMISSION LINES
Jesse W. M. DuMond
Proc Natl Acad Sci U S A. 1959 July; 45(7): 1052–1080.
PMCID: PMC222688
Physiology
LASTING AFTER-EFFECTS PRODUCED IN RATS BY SEVERAL COMMONLY USED DRUGS AND HORMONES
Curt P. Richter
Proc Natl Acad Sci U S A. 1959 July; 45(7): 1080–1095.
PMCID: PMC222689
Zoölogy
REPRODUCTIVE CYCLES IN AN EQUATORIAL SPARROW
Alden H. Miller
Proc Natl Acad Sci U S A. 1959 July; 45(7): 1095–1100.
PMCID: PMC222690
Journal Matter
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