Team:HIT-Harbin

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                    <div class="site-description"><h4><span class="colored">Home</span></h4></div>
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                         <span class="caption-title"><a href="http://en.hit.edu.cn">Harbin Institute of Technology</a></span>
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                         <span class="caption-title"><a href="http://en.hit.edu.cn" target="_blank">Harbin Institute of Technology</a></span>
                         Being strict in qualifications for graduates; making every endeavor in educating students.
                         Being strict in qualifications for graduates; making every endeavor in educating students.
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                         <span>HIT.
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                         Northeast Agricultural University
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                 <h4 class="hashed"><span>Biological Proportional Operational MU-circuit</span></h4>
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                 <h4 class="hashed"><span>B-POM: Biological proportional operational Mu-circuit</span></h4>
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<p>The following picture is the whole design of our circuit.</p>
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<img src="https://static.igem.org/mediawiki/2013/7/75/HIT-Harbin_Project_Andgate.png" width="500" />
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<p>Figure 1 : A Schematic of the Biological Andgate</p>
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                    <p>In 1990s, Eric Mjolsness and several researchers developed the concept of genetic circuit from electronic circuits, to facilitate research in modeling gene expression and regulation (Mjolsness, Sharp et al. 1991, McAdams and Shapiro 1995, Reinitz and Sharp 1996, Sharp and Reinitz 1998). Upon the inspiration, Ron Weiss, a computer engineer of MIT, constructed an AND-gate genetic circuit in 2001 (Weiss, Knight et al. 2001). Based on Weiss’ pioneering result, the team of Jeff Hasty took IPTG (isopropyl β-D-1-Thiogalactopyranoside) and aTc (anhydrotetracycline) as the inputs and GFP (green fluorescent protein) as the output; demonstrating the AND-gate circuit in a more lucid and applicable way (Hasty, McMillen et al. 2002). In 2005, to investigate the prospect of genetic circuit, Oliver Rackham proved that other kinds of logic circuits are feasible by orthogonal topological structures (Rackham and Chin 2005). In 2013 iGEM, we inherit the idea of resembling electronic circuits. By incorporating AND/OR gate and operational amplifier into one circuit, we create our device-Biological Proportional Operational Mu-circuit (B-POM).
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<p>As showed in Fig. 1, a protein complex HrpRS is formed following the combination of HrpS and HrpR. HrpRS then binds to the promoter hrpL, triggering transcription of the downstream gene. Two inducible promoters--the isopropylthiogalactoside (IPTG)-inducible Plac and the arabinose-inducible PBAD...</p>
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In comparison with Weiss’ invention, B-POM has only one homogeneous or heterogeneous input and output. Besides, multiple magnitudes of input are distinguishable by the new circuit, and a given input corresponds to a certain output. Moreover, whereas general genetic circuits are vulnerable to the noise of cellular background, B-POM seems more interference-free, implicating the prominent stability of our device.
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</p><p>In applications, we plan to enhance Bio-electric Interface, the device designed by 2012 Edinburg iGEM team. If the input is biochemical signal molecules and the output become electrons, B-POM can be coupled with Bio-electric Interface, that ephemeral processes in cells will be precisely measurable by simple electronic methods and analyzable by computer. B-POM is also helpful in yoghurt producing, where the control of pH is inaccurate. When B-POM is transplanted into yoghurt-producing bacteria, let hydrogen ions be the input and lacR be the output, and select the proper B-POM parameters, then the pH will be steady around 5.5. In short, our inspired and reliable device is promising in various fields.
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                     <a href="https://2013.igem.org/Team:HIT-Harbin/Project" class="custom-button">Learn More</a>
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                     <p>click here and get more details of our project.</p>
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                     <p>Click here and get more details about our project.</p>
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<h6 class="hashed"><span>B-POM</span></h6>
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                        <div class="custom-headline">Cooperation</div>
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                        <p>The HIT-Harbin team is composed of 21 motivated students across a wide range of academic backgrounds this year:from freshman to senior, from biology to electromechanics. The identical dream...</p>
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                        <p>It was done using JCat(Java Codon Adaptation Tool)[1],CAI-Value of the sequence before optimization:0.2736. GC-Content of the sequence before optimization:59.17%...</p>
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                        <p>Culture in MFC field to improve power generation efficiency. -Lecheng RUAN
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Killing cancer cells by modification of proteins. -Kunming ZHAO
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Improving basic engineering bacteria by in...</p>
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                        <p>Risks to the safety and health of team members or others working in the lab? No risk. All that we use in our lab are harmless to workers under normal conditions. Once we finished... </p>
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Latest revision as of 22:33, 27 September 2013

HIT-Harbin

HIT-Harbin

Home

Harbin Institute of Technology Being strict in qualifications for graduates; making every endeavor in educating students.
I Love You HIT.
Presentation in NEAU Northeast Agricultural University

B-POM: Biological proportional operational Mu-circuit

The following picture is the whole design of our circuit.

Figure 1 : A Schematic of the Biological Andgate

As showed in Fig. 1, a protein complex HrpRS is formed following the combination of HrpS and HrpR. HrpRS then binds to the promoter hrpL, triggering transcription of the downstream gene. Two inducible promoters--the isopropylthiogalactoside (IPTG)-inducible Plac and the arabinose-inducible PBAD...

Learn More

Click here and get more details about our project.

B-POM
Cooperation

The HIT-Harbin team is composed of 21 motivated students across a wide range of academic backgrounds this year:from freshman to senior, from biology to electromechanics. The identical dream...

more
Modules

It was done using JCat(Java Codon Adaptation Tool)[1],CAI-Value of the sequence before optimization:0.2736. GC-Content of the sequence before optimization:59.17%...

more
Documents

Culture in MFC field to improve power generation efficiency. -Lecheng RUAN Killing cancer cells by modification of proteins. -Kunming ZHAO Improving basic engineering bacteria by in...

more
Security

Risks to the safety and health of team members or others working in the lab? No risk. All that we use in our lab are harmless to workers under normal conditions. Once we finished...

more

Sponsors

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