François Jacob, 1961

Genes can be turned on and off.

francois jacob

  • ID: 16029
  • Source: DNALC.DNAi

Related Content

15693. François Jacob and Jacques Monod

François Jacob (1953) and Jacques Monod

  • ID: 15693
  • Source: DNAi

15694. François Jacob

François Jacob, Cold Spring Harbor, 1953 meeting. Source: Cold Spring Harbor Laboratory Archives.

  • ID: 15694
  • Source: DNALC.DNAi

15884. The lac operon

Francois Jacob and Jaçques Monod figured out how bacteria controlled the production of an enzyme called beta-galactosidase. This system of feedback and negative regulation became the lac operon and was the first model for the control of protein productio

  • ID: 15884
  • Source: DNALC.DNAi

15877. The RNA experiment

Sydney Brenner, François Jacob and Matt Meselson's experiment showed that RNA was a copy of the information in DNA. As a messenger, RNA transported the information from the nucleus to the protein-making machinery in the cell.

  • ID: 15877
  • Source: DNALC.DNAi

15687. François Jacob and drawing

François Jacob draws out the control mechanism he co-discovered.

  • ID: 15687
  • Source: DNALC.DNAi

15886. Lac operon problem

The first model for the control of protein production was the lac operon. This system of feedback and negative regulation is used by bacteria, however, the general principles also apply to higher organisms. Another method of protein regulation involves

  • ID: 15886
  • Source: DNAi

16690. Gallery 33: François Jacob, 1985

François Jacob, 1985.

  • ID: 16690
  • Source: DNALC.DNAFTB

15330. Messenger RNA, Matthew Meselson

Matt Meselson also had a hand in Sydney Brenner's RNA experiment. He talks about the experiment and how they waited for James Watson's group to finished their RNA work before publishing.

  • ID: 15330
  • Source: DNAi

15684. Jacob's lac operon drawing

Small image of François Jacob's lac operon drawing.

  • ID: 15684
  • Source: DNALC.DNAi

16689. Gallery 33: François Jacob, 1953

François Jacob at a Cold Spring Harbor meeting, 1953.

  • ID: 16689
  • Source: DNALC.DNAFTB