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George Herbert Hitchings (1905–1998)
By: Eboni E. Andersun
| Published: Jun 25, 2024
George Herbert Hitchings researched and developed medications that targeted specific parts of DNA replication processes to treat cancers and various…
Nucleoside analogDNA ReplicationDrug DevelopmentAcyclovirPharmacology
The Debate over DNA Replication Before the Meselson-Stahl Experiment (1953–1957)
By: Victoria Hernandez
| Published: Jan 03, 2018
Between 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 Replication
Max Ludwig Henning Delbruck (1906–1981)
By: Victoria Hernandez
| Published: Sep 20, 2017
Max Ludwig Henning Delbrick applied his knowledge of theoretical physics to biological systems such as bacterial viruses called bacteriophages, or…
Meselson, MatthewUniversity of RochesterDNA ReplicationBacteriophagesEscherichia coli
Equilibrium Density Gradient Centrifugation in Cesium Chloride Solutions Developed by Matthew Meselson and Franklin Stahl
By: Victoria Hernandez
| Published: Dec 19, 2017
Matthew Meselson, Franklin Stahl, and Jerome Vinograd, developed cesium chloride, or CsCl, density gradient centrifugation in the 1950s at the…
TechnologyDNA ReplicationDNA replication--RegulationCentrifugation, Density GradientOrganonitrogen compounds
Franklin William Stahl (1929– )
By: Victoria Hernandez
| Published: Jul 20, 2017
Franklin 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--Regulation
Categorization of Conservative, Semi-Conservative, and Dispersive DNA Replication Theories (1953–1956)
By: Victoria Hernandez
| Published: Oct 31, 2019
In 1956, Gunther Stent, a scientist at the University of California Berkeley in Berkeley, California, coined the terms conservative, semi-…
DNADNA ReplicationDNA HelicasesGenesHeredity
Matthew Stanley Meselson (1930– )
By: Victoria Hernandez
| Published: May 23, 2017
Matthew 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, 1916-2004
Telomerase in Human Development
By: Zane Bartlett
| Published: Mar 23, 2015
Telomerase is an enzyme that regulates the lengths of telomeres in the cells of many organisms, and in humans it begins to function int the early…
TelomeraseTelomereDNAMolecular BiologySomatic embryogenesis
The Meselson-Stahl Experiment (1957–1958), by Matthew Meselson and Franklin Stahl
By: Victoria Hernandez
| Published: Apr 18, 2017
In an experiment later named for them, Matthew Stanley Meselson and Franklin William Stahl in the US demonstrated during the 1950s the semi-…
DNA ReplicationMeselson, MatthewStahl, Franklin W.DNA--SynthesisDNA