Team:Bologna

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(Project Summary)
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CIS-repressing and TRANS-repressor were designed using our [[Team:Bologna/Software#1|BASER]] tool.
CIS-repressing and TRANS-repressor were designed using our [[Team:Bologna/Software#1|BASER]] tool.
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Transcription of the target gene produces a mRNA strand, starting with the Cis element, which is translated into proteins by ribosome. Trans’ promoter induction produces a transcript that binds with the Cis part. The <b>RNA duplex</b> prevents ribosome from binding to RBS, <b>repressing protein synthesis</b>. Thus, the TRANS-repressor amount regulates the gene mRNA translation rate. </font>
Transcription of the target gene produces a mRNA strand, starting with the Cis element, which is translated into proteins by ribosome. Trans’ promoter induction produces a transcript that binds with the Cis part. The <b>RNA duplex</b> prevents ribosome from binding to RBS, <b>repressing protein synthesis</b>. Thus, the TRANS-repressor amount regulates the gene mRNA translation rate. </font>
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'''How can we test the device?'''
'''How can we test the device?'''
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Revision as of 16:37, 21 October 2009

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HOME TEAM PROJECT SOFTWARE MODELING WET LAB PARTS HUMAN PRACTICE JUDGING CRITERIA




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Project Summary


Which is our idea?

The project aims to design a new device to control the synthesis of a protein in Escherichia coli regardless of the protein to be controlled. This "general-purpose" standard device acts on translation to allow a faster silencing of protein expression if compared to standard regulated promoters. We named this device T-Rex (Trans Repressor of Expression).


How does T-Rex work?

The device consists of two new BioBricks (see Fig.1):

  • CIS-repressing, to be assembled upstream of the target coding sequence.

  • TRANS-repressor, complementary to the CIS-repressing and placed under the control of a different promoter.

CIS-repressing and TRANS-repressor were designed using our [[Team:Bologna/Software#1|BASER]] tool.


[[Image:project3b.png|center|950px|]] Fig.1

Transcription of the target gene produces a mRNA strand, starting with the Cis element, which is translated into proteins by ribosome. Trans’ promoter induction produces a transcript that binds with the Cis part. The RNA duplex prevents ribosome from binding to RBS, repressing protein synthesis. Thus, the TRANS-repressor amount regulates the gene mRNA translation rate.
'''How can we test the device?'''


In order to test and characterize our T-REX device, we developed the following genetic circuit:

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The T-REX device is proposed as a universal and fast switch in synthetic gene circuits.


More details about our work in the Project section.


Acknowledgements


  • [http://www.unibo.it/Portale/default.htm University of Bologna]


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  • [http://serinar.criad.unibo.it Ser.In.Ar. Cesena]


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  • Cultural Association San Sebastiano
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