Video 20: Matthew Meselson, clip 2

Matt Meselson is a Professor in the Department of Molecular and Cellular Biology at Harvard University. His laboratory studies sexual reproduction and genetic recombination, and how and why they are maintained in evolution.

matthew meselson, molecular and cellular biology, genetic recombination, laboratory studies, models of dna, harvard university, sexual reproduction, dna replication, evolution

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16462. Video 20: Matthew Meselson, clip 3

How Meselson came to read the Watson and Crick paper, then think about ways to experimentally test how DNA replicates.

  • ID: 16462
  • Source: DNAFTB

16460. Video 20: Matthew Meselson, clip 1

Explaining density gradient centrifugation.

  • ID: 16460
  • Source: DNAFTB

16466. Biography 20: Matthew Stanley Meselson (1930- )

Matthew Meselson and Franklin Stahl invented the technique of density gradient centrifugation and used this to prove that DNA is replicated semi-conservatively.

  • ID: 16466
  • Source: DNAFTB

16467. Biography 20: Franklin William Stahl (1929-)

Franklin Stahl and Matthew Meselson invented the technique of density gradient centrifugation and used this to prove that DNA is replicated semi-conservatively.

  • ID: 16467
  • Source: DNAFTB

15331. Proposed models of DNA replication, Matthew Meselson

Matt Meselson talks about the different models that were considered before their experiment.

  • ID: 15331
  • Source: DNAi

16491. Biography 21: Sydney Brenner (1927 - )

Sydney Brenner showed that mRNA was the unstable intermediate that carried the message from DNA to the ribosomes.

  • ID: 16491
  • Source: DNAFTB

16454. Video 20: Frank Stahl, clip 1

Describing his first meeting with James Watson and Matthew Meselson.

  • ID: 16454
  • Source: DNAFTB

16455. Video 20: Frank Stahl, clip 2

Describing how he first met Matthew Meselson.

  • ID: 16455
  • Source: DNAFTB

15880. Models of DNA replication

Three different models of DNA replication were proposed. Matt Meselson and Frank Stahl's experiment supported only one of the models.

  • ID: 15880
  • Source: DNAi

16437. Biography 19: James Dewey Watson (1928- )

James Watson and Francis Crick solved the structure of DNA. Other scientists, like Rosalind Franklin and Maurice Wilkins, also contributed to this discovery.

  • ID: 16437
  • Source: DNAFTB