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Volume 39(5);  May 1953
The cover of the journal
Astronomy
Magellanic Clouds: VI. Revised Distances and Luminosities
Harlow Shapley
Proc Natl Acad Sci U S A. 1953 May; 39(5): 349–357.
PMCID: PMC1063789
Magellanic Clouds: VII. Star Colors and Luminosities in Five Constellations
Virginia McKibben Nail and Harlow Shapley
Proc Natl Acad Sci U S A. 1953 May; 39(5): 358–362.
PMCID: PMC1063790
Bacteriology
Aromatic Biosynthesis: VI. Resistance to Inhibition by an Accumulated Metabolite, 5-Dehydroshikimic Acid, and Its Significance for the Mechanism of Drug Resistance
Bernard D. Davis
Proc Natl Acad Sci U S A. 1953 May; 39(5): 363–366.
PMCID: PMC1063791
Botany
The Effect of Ultraviolet Irradiation on Cell Division and Elongation in Timothy Roots
Robert T. Brumfield
Proc Natl Acad Sci U S A. 1953 May; 39(5): 366–371.
PMCID: PMC1063792
Chemistry
Enzymes, Specific Substrates and Competitive Inhibitors as Multifunctional Entities
Robert J. Foster and Carl Niemann
Proc Natl Acad Sci U S A. 1953 May; 39(5): 371–376.
PMCID: PMC1063793
Genetics
Paper Chromatographic Patterns of Genetically Different Tissues: A Contribution to the Biochemical Study of Individuality
Adriano A. Buzzati-Traverso
Proc Natl Acad Sci U S A. 1953 May; 39(5): 376–391.
PMCID: PMC1063794
Alleles at a Mutable Locus Found in Populations of Wild House Mice (Mus Musculus)
L. C. Dunn and W. C. Morgan, Jr.
Proc Natl Acad Sci U S A. 1953 May; 39(5): 391–402.
PMCID: PMC1063795
Effects of Alkali Metal Ions on Development of Drosophila, with Special Reference to Lithium-Induced Abnormalities
Robert C. King
Proc Natl Acad Sci U S A. 1953 May; 39(5): 403–407.
PMCID: PMC1063796
Serological Differentiation of the Homozygotes and Heterozygotes in Back-Cross Birds Following a Species Cross in Columbidae
W. J. Miller and C. R. Bryan
Proc Natl Acad Sci U S A. 1953 May; 39(5): 407–412.
PMCID: PMC1063797
Interaction Between Alleles Affecting Cellular Antigens Following a Species Cross in Columbidae
C. R. Bryan and W. J. Miller
Proc Natl Acad Sci U S A. 1953 May; 39(5): 412–416.
PMCID: PMC1063798
Genetic Exchange in Escherichia Coli K12: Evidence for Three Linkage Groups
J. D. Watson and W. Hayes
Proc Natl Acad Sci U S A. 1953 May; 39(5): 416–426.
PMCID: PMC1063799
Effects of Temperature on Spontaneous and Induced Mutations in Escherichia Coli
Evelyn M. Witkin
Proc Natl Acad Sci U S A. 1953 May; 39(5): 427–433.
PMCID: PMC1063800
Mathematics
On the Eigenfunctions and Eigenvalues of the General Linear Elliptic Differential Operator
Felix E. Browder
Proc Natl Acad Sci U S A. 1953 May; 39(5): 433–439.
PMCID: PMC1063801
On Differential Geometry in the Large
H. E. Rauch
Proc Natl Acad Sci U S A. 1953 May; 39(5): 440–442.
PMCID: PMC1063802
Physics
A Classical Model of a Roton
C. L. Pekeris
Proc Natl Acad Sci U S A. 1953 May; 39(5): 443–451.
PMCID: PMC1063803
Journal Matter
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