Team:HKUST/Project

From 2010.igem.org

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{{HKUST_css}}
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This is a template page. READ THESE INSTRUCTIONS.
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<title>Team: HKUST</title>
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You are provided with this team page template with which to start the iGEM season.  You may choose to personalize it to fit your team but keep the same "look." Or you may choose to take your team wiki to a different level and design your own wiki.  You can find some examples <a href="https://2008.igem.org/Help:Template/Examples">HERE</a>.
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You <strong>MUST</strong> have a team description page, a project abstract, a complete project description, a lab notebook, and a safety page.  PLEASE keep all of your pages within your teams namespace. 
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|You can write a background of your team here.  Give us a background of your team, the members, etc.  Or tell us more about something of your choosing.
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''Tell us more about your project.  Give us background.  Use this is the abstract of your project.  Be descriptive but concise (1-2 paragraphs)''
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|[[Image:HKUST_team.png|right|frame|Your team picture]]
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|align="center"|[[Team:HKUST | Team Example]]
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{| style="color:#1b2c8a;background-color:#0c6;" cellpadding="3" cellspacing="1" border="1" bordercolor="#fff" width="62%" align="center"
 
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!align="center"|[[Team:HKUST|Home]]
 
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!align="center"|[[Team:HKUST/Team|Team]]
 
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!align="center"|[https://igem.org/Team.cgi?year=2010&team_name=HKUST Official Team Profile]
 
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!align="center"|[[Team:HKUST/Project|Project]]
 
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!align="center"|[[Team:HKUST/Parts|Parts Submitted to the Registry]]
 
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!align="center"|[[Team:HKUST/Modeling|Modeling]]
 
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<h1>Abstract</h1><p></p>
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<p>The project aims at establishing an interspecies quorum sensing system in which <em>Lactobacillus plantarum/Lactobacillus sakei </em>can sense and reduce the virulence of <em>Staphylococcus aureus</em>. Many strains of <em>S. aureus</em> are the causative agents of gastroenteritis and are also responsible for the toxic shock syndrome. On the other hand, both <em>L. plantarum</em> and <em>L. sakei</em> are regarded as non-pathogenic mutualistic normal microbes. In this project, we hope to genetically engineer a <em>Lactobacillus</em> strain that can detect the presence of autoinducing peptide (AIP) released by S. aureus and thereby synthesize and secrete RNAIII inhibiting peptide (RIP) to the extracellular environment. This heptapeptide RIP with proven effectiveness to attenuate virulence of <em>S. aureus </em>can then block the pathogenecity of <em>S. aureus </em>infection. </p>
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== '''Overall project''' ==
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<p>Such interspecies quorum quenching system  should be viewed as blocking agent of <em>S. aureus</em> pathogenicity.  Since quorum sensing (QS) is a  natural species-specific self regulating mechanism that does not  involve in bacterial growth, neither does it incur any bacteriocidal impact,  inhibition of QS should not yield a strong selective pressure for development  of resistance. Attenuation of <em>S.  aureus </em>virulence by quorum-sensing inhibitors, rather than  bactericidal or bacteriostatic drugs, is therefore a highly attractive concept for  preventive medicine particularly when many antibiotics are usually  ineffective at <em>S. aureus</em>.</p>
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Your abstract
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== Project Details==
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=== Part 2 ===
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=== The Experiments ===
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=== Part 3 ===
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== Results ==
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Latest revision as of 14:26, 24 October 2010

Team: HKUST

Abstract

The project aims at establishing an interspecies quorum sensing system in which Lactobacillus plantarum/Lactobacillus sakei can sense and reduce the virulence of Staphylococcus aureus. Many strains of S. aureus are the causative agents of gastroenteritis and are also responsible for the toxic shock syndrome. On the other hand, both L. plantarum and L. sakei are regarded as non-pathogenic mutualistic normal microbes. In this project, we hope to genetically engineer a Lactobacillus strain that can detect the presence of autoinducing peptide (AIP) released by S. aureus and thereby synthesize and secrete RNAIII inhibiting peptide (RIP) to the extracellular environment. This heptapeptide RIP with proven effectiveness to attenuate virulence of S. aureus can then block the pathogenecity of S. aureus infection.

Such interspecies quorum quenching system should be viewed as blocking agent of S. aureus pathogenicity.  Since quorum sensing (QS) is a natural species-specific self regulating mechanism that does not involve in bacterial growth, neither does it incur any bacteriocidal impact, inhibition of QS should not yield a strong selective pressure for development of resistance. Attenuation of S. aureus virulence by quorum-sensing inhibitors, rather than bactericidal or bacteriostatic drugs, is therefore a highly attractive concept for preventive medicine particularly when many antibiotics are usually ineffective at S. aureus.

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