Team:Paris/Flagella

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Description of the genetic pathway that lead to flagella assembly

The construction of E. coli flagellar system is organized into a complex hierarchy. The different parts of the flagella are successively assembled parts by parts. This architecture is also present in the network of genes that contributes to its set-up. A global transcription factor FlhDC activates the synthesis of the flagella. This class 1 gene encodes a protein that activates the expression of class 2 genes. Those genes lead to the construction of the basal body of the flagella and its hook. Then FliA, a protein coded by a class 2 gene activates, with FlhDC to the expression of class 3 genes (Figure 1).

Bibliography

  • [http://www.sciencemag.org/cgi/content/abstract/292/5524/2080| Kalir et al. (2001)]
  • [http://www.ncbi.nlm.nih.gov/pubmed/15186773?ordinalpos=2&itool=EntrezSystem2.PEntrez.Pubmed.Pubmed_ResultsPanel.Pubmed_DefaultReportPanel.Pubmed_RVDocSum| Kalir et al. (2004)]