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In May 1953, scientists James Watson and Francis Crick wrote the article “Genetical Implications of the Structure of Deoxyribonucleic Acid,”…
LiteratureDNANucleic AcidsDeoxyriboseGeneticsFranklin William Stahl studied DNA replication, bacteriophages, and genetic recombination in the US during the mid-twentieth and early twenty-first…
DNA SequenceNucleotide sequenceDNA ReplicationDNA--SynthesisDNA replication--RegulationIn 1951 and 1952, Alfred Hershey and Martha Chase conducted a series of experiments at the Carnegie Institute of Washington in Cold Spring Harbor,…
BacteriophagesDNACold Spring Harbor LaboratoryProtein PrecursorsAmino Acid SequenceMax Ludwig Henning Delbrick applied his knowledge of theoretical physics to biological systems such as bacterial viruses called bacteriophages, or…
Meselson, MatthewUniversity of RochesterDNA ReplicationBacteriophagesEscherichia coliDuring the twentieth century in the United States, Alfred Day Hershey studied phages, or viruses that infect bacteria, and experimentally verified…
Hershey, A. D. (Alfred Day), 1908-Bacteriophage lambdaPhage lambdaBacteriophages--GeneticsBacteriophagesIn 1944, Oswald Avery, Colin MacLeod, and Maclyn McCarty published an article in which they concluded that genes, or molecules that dictate how…
LiteratureTransformation, BacterialBacterial TransformationStreptococcus pneumoniaeBacterial geneticsIn February 1953, Linus Pauling and Robert Brainard Corey, two scientists working at the California Institute of Technology in Pasadena, California,…
LiteratureDNAGeneticsX-ray crystallography--TechniqueCrystallography, X-RayBetween 1953 and 1957, before the Meselson-Stahl experiment verified semi-conservative replication of DNA, scientists debated how DNA replicated. In…
ChromosomesCalifornia Institute of TechnologyCold Spring Harbor LaboratoryDNA ReplicationMatthew Stanley Meselson conducted DNA and RNA research in the US during the twentieth and twenty-first centuries. He also influenced US policy…
Holmes, Frederic LawrenceMeselson, MatthewStahl, Franklin W.Watson, James D., 1928-Crick, Francis, 1916-2004William Thomas Astbury studied the structures of fibrous materials, including fabrics, proteins, and deoxyribonucleic acid, or DNA, in England during…
DNAX-Ray CrystallographyX-ray crystallography--TechniqueNucleic AcidsDNA-protein interactions