1958 ⟶ Semiconservative DNA Replication Proven

Matthew Stanley Meselson and Franklin W. Stahl proved that D...
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Year
1948
1952
1955
1958
1983

⚖️ Chargaff's rules about DNA base pairing

Erwin Chargaff showed that in DNA the number of guanine units equals the number of cytosine units and the number of adenine units equals the number of thymine units.⟶
Chargaff's rules about DNA base pairing (1948)
GeneticsDNAChargaffBase PairingMolecular BiologyHeredityDNA Structure20th Century Science
AustriaAustria

🧪 Hershey-Chase Experiment: DNA as Genetic Material

Alfred Hershey and Martha Chase showed that DNA is the genetic material in bacteriophage viruses.⟶
Hershey-Chase Experiment: DNA as Genetic Material (1952)
BiologyGeneticsMolecular BiologyDNAAlfred HersheyMartha ChaseBacteriophagesGenetic Material
United StatesUnited States

⚛️ Arthur Kornberg: DNA Polymerase Discovery

Arthur Kornberg discovered DNA polymerase enzymes.⟶
Arthur Kornberg: DNA Polymerase Discovery (1955)
BiochemistryEnzymesDNA PolymeraseKornbergDNA ReplicationMolecular Biology1950sScientific ResearchNucleic AcidsGenetics
United StatesUnited States

🧬 Semiconservative DNA Replication Proven

Matthew Stanley Meselson and Franklin W. Stahl proved that DNA replication is semiconservative in the Meselson-Stahl experiment⟶
Semiconservative DNA Replication Proven (1958)
DNA ReplicationGeneticsMolecular BiologyMeselson-Stahl ExperimentSemiconservative ReplicationMatthew MeselsonFranklin Stahl
United StatesUnited States

🧬 Kary Mullis Invents PCR (Polymerase Chain Reaction)

Kary Mullis invented "PCR" ( polymerase chain reaction), an automated method for rapidly copying sequences of DNA.⟶
Kary Mullis Invents PCR (Polymerase Chain Reaction) (1983)
PCRPolymerase Chain ReactionKary MullisMolecular BiologyBiotechnology1980sGeneticsDNA ReplicationNobel Prize
United StatesUnited States