Team:Peking/Modeling/Ring

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<h3 id="title1">Background</h3>
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Genetic engineering circuits in <i>E.coli<i> enable cells to perform programmably; however, more complex functions are limited by leakage of the gene expression. Consider that cells are able to detect environmental signals such as explosives (e.g., RDX and TNT), toxins, metals, salinity, pH, temperature and light, cell-cell communication-based multicellular networks provide an extended vista for synthetic biology.<br /><br />
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As a hallmark of coordinated cellular behavior, pattern formation typically required cell-cell communication and intracellular signal processing. For more site-specific signaling and pattern formation, light may be more appropriate alternative. Due to the high sensitivity of our Luminesensor, it is possible to construct a ring-like pattern based on light-communication, previously done by AHL.
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<h3 id="title1">Circuit Design</h3>
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<h3 id="title2">Reference</h3>
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1. Zoltowski, B.D., Crane, B.R.(2008). Light Activation of the LOV Protein Vivid Generates a Rapidly Exchanging Dimer. <i>Biochemistry</i>, 47: 7012: 7019
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2. Mohana-Borges, R., Pacheco, A.B., Sousa, F.J., Foguel, D., Almeida, D.F., and Silva, J.L. (2000). LexA repressor forms stable dimers in solution. The role of specific DNA in tightening protein-protein interactions. <i>J. Biol. Chem.</i>, 275: 4708: 4712
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3. Zoltowski, B.D., Vaccaro, B., and Crane, B.R. (2009). Mechanism-based tuning of a LOV domain photoreceptor. <i>Nat. Chem. Biol.</i> 5: 827: 834
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4. Dmitrova, M., Younes-Cauet, G., Oertel-Buchheit, P., Porte, D., Schnarr, M., Granger-Schnarr, M.(1998) A new LexA-based genetic system for monitoring and analyzing protein heterodimerization in <i>Escherichia coli.</i> <i>Mol. Gen. Genet.</i>, 257: 205: 212
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Revision as of 16:21, 21 October 2012

Background

Genetic engineering circuits in E.coli enable cells to perform programmably; however, more complex functions are limited by leakage of the gene expression. Consider that cells are able to detect environmental signals such as explosives (e.g., RDX and TNT), toxins, metals, salinity, pH, temperature and light, cell-cell communication-based multicellular networks provide an extended vista for synthetic biology.

As a hallmark of coordinated cellular behavior, pattern formation typically required cell-cell communication and intracellular signal processing. For more site-specific signaling and pattern formation, light may be more appropriate alternative. Due to the high sensitivity of our Luminesensor, it is possible to construct a ring-like pattern based on light-communication, previously done by AHL.

Circuit Design

Reference

  • 1. Zoltowski, B.D., Crane, B.R.(2008). Light Activation of the LOV Protein Vivid Generates a Rapidly Exchanging Dimer. Biochemistry, 47: 7012: 7019
  • 2. Mohana-Borges, R., Pacheco, A.B., Sousa, F.J., Foguel, D., Almeida, D.F., and Silva, J.L. (2000). LexA repressor forms stable dimers in solution. The role of specific DNA in tightening protein-protein interactions. J. Biol. Chem., 275: 4708: 4712
  • 3. Zoltowski, B.D., Vaccaro, B., and Crane, B.R. (2009). Mechanism-based tuning of a LOV domain photoreceptor. Nat. Chem. Biol. 5: 827: 834
  • 4. Dmitrova, M., Younes-Cauet, G., Oertel-Buchheit, P., Porte, D., Schnarr, M., Granger-Schnarr, M.(1998) A new LexA-based genetic system for monitoring and analyzing protein heterodimerization in Escherichia coli. Mol. Gen. Genet., 257: 205: 212
  • Totop Totop

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