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- | <html>
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- | <meta content="text/html;charset=ISO-8859-1" http-equiv="Content-Type">
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- | <title>kjaBD K</title>
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- | </head>
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- | <body>
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- | <div style="text-align: center;"><b style="color: rgb(255, 255, 153);"><span
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- | style="font-size: 13.5pt; font-family: "Times New Roman","serif";"></span></b><b
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- | style="color: rgb(255, 255, 153);"><span
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- | style="font-size: 13.5pt; font-family: "Times New Roman","serif";"></span>
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- | </b><b style="color: rgb(255, 255, 153);"><span
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- | style="font-size: 13.5pt; font-family: "Times New Roman","serif";"><big><big><big><big><a
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- | href="https://2009.igem.org/Team:UC_Davis/homepage2"><img alt=""
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- | src="https://static.igem.org/mediawiki/2009/a/a4/UCDAVIS_PIC3.png"
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- | style="border: 0px solid ; width: 83px; height: 36px;"></a> </big></big></big></big></span></b><a
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- | href="https://2009.igem.org/Team:UC_Davis/About_Us1"><b
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- | style="color: rgb(255, 255, 153);"><span
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- | style="font-size: 13.5pt; font-family: "Times New Roman","serif";"><big><big><big><big><img
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- | alt="" src="https://static.igem.org/mediawiki/2009/d/d1/UCDAVIS_PIC4.png"
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- | style="border: 0px solid ; width: 82px; height: 36px;"></big></big></big></big></span></b></a><b
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- | style="font-size: 13.5pt; font-family: "Times New Roman","serif";"></span></b><b
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- | style="color: rgb(255, 255, 153);"><span
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- | style="font-size: 13.5pt; font-family: "Times New Roman","serif";"><big><big><big><big>
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- | </big></big></big></big></span></b><b style="color: rgb(255, 255, 153);"><span
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- | style="font-size: 13.5pt; font-family: "Times New Roman","serif";"><big><big><big><big><a
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- | href="https://2009.igem.org/Team:UC_Davis/Project1"><img alt=""
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- | src="https://static.igem.org/mediawiki/2009/b/b9/UCDAVIS_PIC8.png"
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- | style="border: 0px solid ; width: 78px; height: 36px;"></a> </big></big></big></big></span></b><b
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- | style="color: rgb(255, 255, 153);"><span
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- | style="font-size: 13.5pt; font-family: "Times New Roman","serif";"><big><big><big><big><a
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- | href="https://2009.igem.org/Team:UC_Davis/Notebook1"><img alt=""
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- | src="https://static.igem.org/mediawiki/2009/2/2f/UCDAVIS_PIC5.png"
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- | style="border: 0px solid ; width: 81px; height: 36px;"></a> </big></big></big></big></span></b><b
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- | style="color: rgb(255, 255, 153);"><span
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- | style="font-size: 13.5pt; font-family: "Times New Roman","serif";"></span></b><b
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- | style="color: rgb(255, 255, 153);"><span
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- | style="font-size: 13.5pt; font-family: "Times New Roman","serif";"><big><big><big><big><a
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- | href="https://2009.igem.org/Team:UC_Davis/Part1"><img alt=""
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- | src="https://static.igem.org/mediawiki/2009/a/a6/UCDAVIS_PIC6.png"
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- | style="border: 0px solid ; width: 78px; height: 37px;"></a> <a
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- | href="https://2009.igem.org/Team:UC_Davis/Contact1"><img alt=""
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- | src="https://static.igem.org/mediawiki/2009/1/1d/UCDAVIS_PIC7.png"
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- | style="border: 0px solid ; width: 83px; height: 37px;"></a></big></big></big></big></span></b><b
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- | style="color: rgb(0, 0, 0);"><span
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- | style="font-size: 13.5pt; font-family: "Times New Roman","serif";"><big><big><big><big><small>
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- | </small></big></big></big></big></span></b><b
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- | style="color: rgb(0, 0, 0);"> </b>
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- | <hr style="width: 100%; height: 2px;">
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- | <div style="text-align: left;"><b
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- | style="color: rgb(0, 0, 0); text-decoration: underline;">Parts:</b><b
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- | style="color: rgb(0, 0, 0);">
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- | <br>
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- | </b>
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- | <div style="text-align: left;"><b style="color: rgb(0, 0, 0);">Parts
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- | related to
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- | Secretion:
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- | Parts related to the biological pH sensor:</b><br>
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- | </div>
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- | <b style="color: rgb(0, 0, 0);">Protines:
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- |
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- | Promoters:
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- | Others:
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- | Proteins:
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- | Promoters:<br>
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- | </b><a href="#INPNC">INPNC </a>
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- |
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- | <a href="#LacI">LacI </a>
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- | <a href="#SS">SS:signal
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- | sequence </a>
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- | ChvI
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- | <a href="#ChvI_promoter">ChvI promoter</a><br>
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- | <a href="#OmpA">OmpA </a>
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- | <a href="#His">6-His-Tag</a>
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- | ChvG
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- | <a href="#KatA">KatA promoter</a><br>
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- | <a href="#Luciferase">Luciferase </a>
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- | <a href="#RBS">RBS</a>
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- | <a href="#aopB">aopB promoter</a><br>
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- | <a href="#GFP">GFP</a>
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- | <a href="#Terminator">Terminator</a>
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- | <a href="#PhoA">phoA
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- | promoter</a>
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- | <br>
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- |
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- | <a href="#impA">impA promoter</a><br>
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- | <hr style="width: 100%; height: 2px;">
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- | <p class="MsoNormal"
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- | style="margin-bottom: 0.0001pt; line-height: normal;"><a name="INPNC"></a><span
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- | style="font-size: 13pt; font-family: "Times New Roman","serif";">INPNC:
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- | Ice-nucleation protein (INP) from Pseudomonas Syringae was suggested to
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- | be used
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- | for display of foreign proteins on the surface of <i>E.coli</i>(7).Furthermore,
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- | researches have shown that an INP derivative constituting the N-and
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- | C-terminal
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- | domains can and has been used to display foreign proteins on the
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- | surface of <i>E.coli</i>(9).
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- | <i><br>
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- | </i></span></p>
| + | |
- | <p class="MsoNormal"
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- | style="margin-bottom: 0.0001pt; line-height: normal;"><span
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- | style="font-size: 13pt; font-family: "Times New Roman","serif";"><i>Note:
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- | A study has shown that "Ice- nucleation Protein (INP), an outer
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- | membrane protein from Pseudomonas syringae, is able to catalyze the ice
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- | crystal
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- | formation of supercooled water.</i>In our project we are intending to
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- | harness
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- | and make use of this feature by fusing a specific protein to it. <i>We
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- | have
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- | modified this protein to Biobrick standard, Tom Knights Standard. </i><o:p></o:p></span></p>
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- | <p class="MsoNormal" style="line-height: normal;"><a name="OmpA"></a><span
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- | style="font-size: 13pt; font-family: "Times New Roman","serif";">OmpA:
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- | OmpA is one of the proteins on the outer membrane of <i>E.coli</i>
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- | (13). OmpA
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- | has been found to be useful as utilizable fusion part that can fuse our
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- | protein
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- | to and display on the surface of <i>E.coli</i>. This part has already
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- | been
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- | documented on the parts registry; however, it has not been tested via
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- | fusion
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- | with a target protein linked with a cleavable signal sequence.<o:p></o:p></span><br>
| + | |
- | <i><span
| + | |
- | style="font-size: 13pt; font-family: "Times New Roman","serif";">We
| + | |
- | have modified this protein to
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- | Biobrick standard, Tom Knights Standard. </span></i><span
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- | style="font-size: 13pt; font-family: "Times New Roman","serif";"><o:p></o:p></span></p>
| + | |
- | <p class="MsoNormal" style="line-height: normal;"><i><span
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- | style="font-size: 13pt; font-family: "Times New Roman","serif";">Note:</span></i><span
| + | |
- | style="font-size: 13pt; font-family: "Times New Roman","serif";"> “<i>It
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- | has remained essentially unknown how proteins of
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- | Escherichia coli outer membrane are sorted and incorporated into this
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- | membrane”
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- | (10)</i><o:p></o:p></span><i><span
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- | style="font-size: 13pt; font-family: "Times New Roman","serif";"><br>
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- | For more information go to:</span></i><span
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- | style="font-size: 13pt; font-family: "Times New Roman","serif";"> <a
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- | href="http://partsregistry.org/wiki/index.php?title=Part:BBa_J36836"><i><span
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- | style="color: blue;">http://partsregistry.org/wiki/index.php?title=Part:BBa_J36836</span></i></a><br
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- | style="">
| + | |
- | <!--[if !supportLineBreakNewLine]--><br style="">
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- | <!--[endif]--><o:p></o:p></span></p>
| + | |
- | <p class="MsoNormal" style="line-height: normal;"><a name="RBS"></a><span
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- | style="font-size: 13pt; font-family: "Times New Roman","serif";">RBS:
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- | Ribosome Binding site number 32 (BBa_J61132) from the registry is being
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- | used in
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- | our secretion system.<o:p></o:p></span><br>
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- | <i><span
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- | style="font-size: 13pt; font-family: "Times New Roman","serif";">For
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- | more information go to:</span></i><span
| + | |
- | style="font-size: 13pt; font-family: "Times New Roman","serif";"> <a
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- | href="http://partsregistry.org/wiki/index.php/Part:BBa_J61132"><i><span
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- | style="color: blue;">http://partsregistry.org/wiki/index.php/Part:BBa_J61132</span></i></a><o:p></o:p></span></p>
| + | |
- | <p class="MsoNormal" style="line-height: normal;"><a name="Terminator"></a><span
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- | style="font-size: 13pt; font-family: "Times New Roman","serif";">Terminator:
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- | We are using BBa_B0015, a double terminator, as our terminator in both
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- | our
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- | secretion and pH system.<o:p></o:p></span><br>
| + | |
- | <i><span
| + | |
- | style="font-size: 13pt; font-family: "Times New Roman","serif";">For
| + | |
- | more information go to:</span></i><a name="GFP:"></a><span
| + | |
- | style="font-size: 13pt; font-family: "Times New Roman","serif";"> <a
| + | |
- | href="http://partsregistry.org/wiki/index.php?title=Part:BBa_B0015"><i><span
| + | |
- | style="color: blue;">http://partsregistry.org/wiki/index.php?title=Part:BBa_B0015</span></i></a><o:p></o:p></span></p>
| + | |
- | <p class="MsoNormal" style="line-height: normal;"><a name="GFP"></a><span
| + | |
- | style="font-size: 13pt; font-family: "Times New Roman","serif";">GFP:
| + | |
- | We are using Green Fluorescent Protein as a reporter that also serves
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- | as a
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- | small protein in testing our secretion system.<o:p></o:p></span></p>
| + | |
- | <p class="MsoNormal" style="line-height: normal;"><a name="Luciferase"></a><span
| + | |
- | style="font-size: 13pt; font-family: "Times New Roman","serif";">Luciferase:
| + | |
- | Luciferase is a firefly protein that also fluoresces, so it serves as a
| + | |
- | reporter as well as a testable large protein.<i><br>
| + | |
- | More can be found in<a name="LacI:"></a>:</i><o:p></o:p></span></p>
| + | |
- | <p class="MsoNormal" style="line-height: normal;"><a name="LacI"></a><span
| + | |
- | style="font-size: 13pt; font-family: "Times New Roman","serif";">LacI:
| + | |
- | One inducible Promoter which was found in the part registry.<i><br>
| + | |
- | More can be found in: </i><a
| + | |
- | href="http://partsregistry.org/wiki/index.php?title=Part:BBa_R0010"><i><span
| + | |
- | style="color: blue;">http://partsregistry.org/wiki/index.php?title=Part:BBa_R0010</span></i></a><br>
| + | |
- | <br>
| + | |
- | <a name="SS"></a>SS: This signal sequence, when placed between INPNC,
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- | contains a
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- | cleavable site that allows the target fusion protein to ‘secrete’ from
| + | |
- | INPNC. We will do the same with OmpA. <o:p></o:p></span><br>
| + | |
- | <i><span
| + | |
- | style="font-size: 13pt; font-family: "Times New Roman","serif";">We
| + | |
- | have modified this protein to
| + | |
- | Biobrick standard, Tom Knights Standard. </span></i><span
| + | |
- | style="font-size: 13pt; font-family: "Times New Roman","serif";"><o:p></o:p></span></p>
| + | |
- | <p class="MsoNormal" style="line-height: normal;"><a name="His"></a><span
| + | |
- | style="font-size: 13pt; font-family: "Times New Roman","serif";">6-His
| + | |
- | Tag: The 6-Histidine Tag serves as a tag for Western Blotting if our
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- | fluorescent reporters are not expressed as highly as we would like.<o:p></o:p></span><br>
| + | |
- | <i><span
| + | |
- | style="font-size: 13pt; font-family: "Times New Roman","serif";">Note:
| + | |
- | We are using this tag, just in
| + | |
- | case if the GFP or Luciferase does not work under a plate reader.</span></i><span
| + | |
- | style="font-size: 13pt; font-family: "Times New Roman","serif";"><o:p></o:p></span></p>
| + | |
- | <p class="MsoNormal" style="line-height: normal;"><span
| + | |
- | style="font-size: 13pt; font-family: "Times New Roman","serif";"><a
| + | |
- | name="ChvI_promoter"></a>ChvI promoter: Gene fusion studies
| + | |
- | confirmed that ChvI gene was induced by acidic conditions (1). Also, it
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- | has
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- | been known to implicate in virulence (1). This gene is one of the
| + | |
- | candidates to
| + | |
- | be use in our biological pH sensor as a promoter.<br style="">
| + | |
- | <!--[if !supportLineBreakNewLine]--><br style="">
| + | |
- | <!--[endif]--><o:p></o:p></span></p>
| + | |
- | <p class="MsoNormal" style="line-height: normal;"><a name="KatA"></a><span
| + | |
- | style="font-size: 13pt; font-family: "Times New Roman","serif";">KatA
| + | |
- | promoter :This Chromosomal gene is located on the linear chromosome (2)
| + | |
- | and it
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- | seems to be induced under an acidic environment as well as being
| + | |
- | involved in
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- | the <i>Agrobacterium tumorigenesis</i> (2).Research has suggested that
| + | |
- | ChvG is
| + | |
- | needed for "responsiveness of gene expression to low pH "(2).
| + | |
- | This gene has become a candidate to complete our pH sensor device from
| + | |
- | this
| + | |
- | evidence.<br style="">
| + | |
- | <!--[if !supportLineBreakNewLine]--><br style="">
| + | |
- | <!--[endif]--><o:p></o:p></span></p>
| + | |
- | <p class="MsoNormal" style="line-height: normal;"><a name="aopB"></a><span
| + | |
- | style="font-size: 13pt; font-family: "Times New Roman","serif";">aopB
| + | |
- | promoter: This Chromosomal gene located on the circular chromosome (2)
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- | encodes an
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- | outer member protein exposed on the bacterial cell surface (2). Also,
| + | |
- | ChvG was
| + | |
- | shown to be absolutely required for this gene expression (2)It seems to
| + | |
- | get
| + | |
- | induced under an acidic environment as well as being involved in the <i>Agrobacterium</i>
| + | |
- | <i>tumorigenesis </i>(2). Therefore, we have chosen this gene to be
| + | |
- | one of our
| + | |
- | candidates to complete our pH sensor device.<o:p></o:p></span></p>
| + | |
- | <p class="MsoNormal" style="line-height: normal;"><a name="PhoA"></a><span
| + | |
- | style="font-size: 13pt; font-family: "Times New Roman","serif";">PhoA
| + | |
- | promoter: There has been a suggestion that ChvI can activate AP
| + | |
- | activity by
| + | |
- | activating transcription of this gene, PhoA (3). Therefore, this gene
| + | |
- | has
| + | |
- | become one of our candidates to complete our pH sensor device.<o:p></o:p></span></p>
| + | |
- | <a name="impA"></a><span
| + | |
- | style="font-size: 13pt; line-height: 115%; font-family: "Times New Roman","serif";">impA
| + | |
- | promoter: Gene
| + | |
- | fusion studies confirmed that impA genes was induced by acidic
| + | |
- | conditions (1),
| + | |
- | therefore, this is one of our candidates to complete our pH sensor
| + | |
- | device.</span>
| + | |
- | <hr style="width: 100%; height: 2px;"><small style="font-weight: bold;"><span
| + | |
- | style="font-size: 18pt; line-height: 115%; font-family: "Times New Roman","serif";"></span></small></div>
| + | |
- | </div>
| + | |
- | </body>
| + | |
- | </html>
| + | |