1955 ⟶ Arthur Kornberg: DNA Polymerase Discovery
Arthur Kornberg discovered DNA polymerase enzymes.
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1929
1955
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1970
🧬 Phoebus Levene Discovers Deoxyribose in Nucleic Acids
Phoebus Levene discovered the sugar deoxyribose in nucleic acids.⟶
BiologyBiochemistryNucleic AcidsDeoxyribosePhoebus LeveneMolecular BiologyGenetics20th Century
United States⚛️ Arthur Kornberg: DNA Polymerase Discovery
Arthur Kornberg discovered DNA polymerase enzymes.⟶
BiochemistryEnzymesDNA PolymeraseKornbergDNA ReplicationMolecular Biology1950sScientific ResearchNucleic AcidsGenetics
United States⚛️ Grunberg-Manago and Ochoa: Polynucleotide Phosphorylase
Marianne Grunberg-Manago and Severo Ochoa discovered the first nucleic-acid-synthesizing enzyme (polynucleotide phosphorylase), which links nucleotides together into polynucleotides.⟶
BiochemistryEnzymesRNANucleotidesGrunberg-ManagoOchoaMolecular BiologyMacromolecules1950sScientific Research
FranceUnited States🧬 Semiconservative DNA Replication Proven
Matthew Stanley Meselson and Franklin W. Stahl proved that DNA replication is semiconservative in the Meselson-Stahl experiment⟶
DNA ReplicationGeneticsMolecular BiologyMeselson-Stahl ExperimentSemiconservative ReplicationMatthew MeselsonFranklin Stahl
United States🦠 Discovery of Bacterial RNA Polymerase
Four separate researchers (S. Weiss, J. Hurwitz, Audrey Stevens Niyogi and J. Bonner) discovered bacterial RNA polymerase, which polymerizes nucleotides under the direction of DNA.⟶
RNA PolymeraseMolecular BiologyGeneticsTranscriptionBacteriaS. WeissJ. HurwitzAudrey Stevens NiyogiJ. Bonner
United States✂️ Discovery of DNA Restriction Enzymes
Hamilton Smith and Daniel Nathans discovered DNA restriction enzymes.⟶
Molecular BiologyDNARestriction EnzymesGenetic EngineeringHamilton SmithDaniel NathansBiotechnology
United States