Team:UC Davis/Adding secretion/model 4

From 2009.igem.org

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<title>Model 1</title>
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<body>
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<div style="text-align: center;"><span
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style="color: rgb(255, 255, 153);"><span
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style="font-family: &quot;Times New Roman&quot;,&quot;serif&quot;;"><span
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style="font-weight: bold;">=</span></span></span><b
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style="color: rgb(255, 255, 153);"><span
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style="font-size: 13.5pt; font-family: &quot;Times New Roman&quot;,&quot;serif&quot;;"><big><big><big><big><a
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href="https://2009.igem.org/Team:UC_Davis"><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_Us"><b
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style="color: rgb(255, 255, 153);"><span
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style="font-size: 13.5pt; font-family: &quot;Times New Roman&quot;,&quot;serif&quot;;"><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="color: rgb(255, 255, 153);"><span
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style="font-size: 13.5pt; font-family: &quot;Times New Roman&quot;,&quot;serif&quot;;"></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: &quot;Times New Roman&quot;,&quot;serif&quot;;"></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: &quot;Times New Roman&quot;,&quot;serif&quot;;"><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: &quot;Times New Roman&quot;,&quot;serif&quot;;"><big><big><big><big><a
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href="https://2009.igem.org/Team:UC_Davis/Project"><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: &quot;Times New Roman&quot;,&quot;serif&quot;;"><big><big><big><big><a
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href="https://2009.igem.org/Team:UC_Davis/Notebook"><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: &quot;Times New Roman&quot;,&quot;serif&quot;;"></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: &quot;Times New Roman&quot;,&quot;serif&quot;;"><big><big><big><big><a
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href="https://2009.igem.org/Team:UC_Davis/Parts"><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></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: &quot;Times New Roman&quot;,&quot;serif&quot;;"></span></b></div>
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<hr style="width: 100%; height: 2px;"><big><big><big><span
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style="text-decoration: underline; font-weight: bold;"><small>Secretion
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Model 2:<br>
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<br>
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</small></span></big></big></big><big><span style="font-style: italic;">Click
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on an
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individual part for more information.<br>
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</span></big>
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<div style="text-align: center;"><big><big><big><span
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style="font-weight: bold;"><small><span
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style="text-decoration: underline; background-color: rgb(255, 255, 0);"><a
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href="#LacI"><img alt=""
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src="https://static.igem.org/mediawiki/2009/4/4e/UCDAVIS_PROMOTER_1.png"
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style="border: 0px solid ; width: 242px; height: 58px; background-color: rgb(255, 255, 255);"></a><a
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href="#RBS"><img alt=""
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src="https://static.igem.org/mediawiki/2009/1/15/UCDAVIS_RBS1.png"
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style="border: 0px solid ; width: 89px; height: 81px; background-color: rgb(255, 255, 255);"></a><a
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href="#INPNC"><img alt=""
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src="https://static.igem.org/mediawiki/2009/a/ae/UCDAVIS_INPNC.png"
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style="border: 0px solid ; width: 106px; height: 59px; background-color: rgb(255, 255, 255);"></a><a
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href="#SS"><img alt=""
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src="https://static.igem.org/mediawiki/2009/9/9d/UCDAVIS_SS1.png"
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style="border: 0px solid ; width: 94px; height: 69px; background-color: rgb(255, 255, 255);"></a><img
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style="width: 106px; height: 59px; background-color: rgb(255, 255, 255);"
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alt="" src="https://static.igem.org/mediawiki/2009/0/0c/UCDAVIS_GENE1.png"><a
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href="#His"><img alt=""
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src="https://static.igem.org/mediawiki/2009/c/c0/UCDAVIS_6HIS.png"
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style="border: 0px solid ; width: 134px; height: 66px; background-color: rgb(255, 255, 255);"></a><a
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href="#Terminator"><img alt=""
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src="https://static.igem.org/mediawiki/2009/c/ca/UCDAVIS_STOP.png"
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style="border: 0px solid ; width: 94px; height: 83px; background-color: rgb(255, 255, 255);"></a><br>
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</span></small></span></big></big></big><big><big><big><span
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style="font-weight: bold;"><small><span
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style="text-decoration: underline; background-color: rgb(255, 255, 0);"><br>
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</span>a.<a href="#LacI"><span style="text-decoration: underline;"><img
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alt=""
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src="https://static.igem.org/mediawiki/2009/4/4e/UCDAVIS_PROMOTER_1.png"
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style="border: 0px solid ; width: 200px; height: 52px;"></span></a><span
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style="text-decoration: underline; background-color: rgb(255, 255, 0);"><a
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href="#RBS"><img alt=""
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src="https://static.igem.org/mediawiki/2009/1/15/UCDAVIS_RBS1.png"
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style="border: 0px solid ; width: 69px; height: 63px; background-color: rgb(255, 255, 255);"></a><a
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href="#INPNC"><img alt=""
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src="https://static.igem.org/mediawiki/2009/a/ae/UCDAVIS_INPNC.png"
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style="border: 0px solid ; width: 106px; height: 51px; background-color: rgb(255, 255, 255);"></a><a
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href="#SS"><img alt=""
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src="https://static.igem.org/mediawiki/2009/9/9d/UCDAVIS_SS1.png"
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style="border: 0px solid ; width: 73px; height: 65px; background-color: rgb(255, 255, 255);"></a><a
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href="#GFP"><img alt=""
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src="https://static.igem.org/mediawiki/2009/7/7d/UCDAVIS_GFP.png"
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style="border: 0px solid ; width: 83px; height: 55px; background-color: rgb(255, 255, 255);"></a><a
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href="#His"><img alt=""
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src="https://static.igem.org/mediawiki/2009/c/c0/UCDAVIS_6HIS.png"
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style="border: 0px solid ; width: 110px; height: 58px; background-color: rgb(255, 255, 255);"></a><a
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href="#Terminator"><img alt=""
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src="https://static.igem.org/mediawiki/2009/c/ca/UCDAVIS_STOP.png"
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style="border: 0px solid ; width: 78px; height: 71px; background-color: rgb(255, 255, 255);"></a></span></small></span></big></big></big><br>
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<div style="text-align: center;"><big><big><big><span
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style="font-weight: bold;"><small>b.<span
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style="text-decoration: underline;"><a href="#LacI"><img alt=""
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src="https://static.igem.org/mediawiki/2009/4/4e/UCDAVIS_PROMOTER_1.png"
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style="border: 0px solid ; width: 195px; height: 52px;"></a><a
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href="#RBS"><img alt=""
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src="https://static.igem.org/mediawiki/2009/1/15/UCDAVIS_RBS1.png"
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style="border: 0px solid ; width: 68px; height: 63px;"></a><a
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href="#INPNC"><img alt=""
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src="https://static.igem.org/mediawiki/2009/a/ae/UCDAVIS_INPNC.png"
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style="border: 0px solid ; width: 105px; height: 51px;"></a><a
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href="#SS"><img alt=""
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src="https://static.igem.org/mediawiki/2009/9/9d/UCDAVIS_SS1.png"
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style="border: 0px solid ; width: 73px; height: 65px;"></a><a
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href="#Luciferase"><img alt=""
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src="https://static.igem.org/mediawiki/2009/9/98/UCDAVIS_Luciferase.png"
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style="border: 0px solid ; width: 87px; height: 49px;"></a><a
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href="#His"><img alt=""
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src="https://static.igem.org/mediawiki/2009/c/c0/UCDAVIS_6HIS.png"
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style="border: 0px solid ; width: 110px; height: 58px;"></a><a
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href="#Terminator"><img alt=""
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src="https://static.igem.org/mediawiki/2009/c/ca/UCDAVIS_STOP.png"
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style="border: 0px solid ; width: 78px; height: 71px;"></a></span></small></span></big></big></big><big><big><big><span
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style="font-weight: bold;"><small><span
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style="text-decoration: underline; background-color: rgb(255, 255, 0);"></span></small></span></big></big></big></div>
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</div>
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<div style="text-align: center;"><big><span style="font-style: italic;"></span></big><br>
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</div>
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<big><big><big><span
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style="text-decoration: underline; font-weight: bold;"></span></big></big></big>
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<hr style="width: 100%; height: 2px;">
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<p class="MsoNormal" style=""><b><span style=""><a name="INPNC"></a>INPNC:
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</span></b><span style="">The
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ice-nucleation protein (INP) from <i>Pseudomonas syringae</i> is used
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by its
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natural host to nucleate ice formation and is implicated in<i> P.
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syringae</i>
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associated pathogenesis<i>.&nbsp; </i>INP and a truncated derivative
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lacking
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the central domain (INPNC) have been used extensively for displaying
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proteins
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on the surface of <i>E. coli (7)</i>.&nbsp; For instance, AldO and
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PhaZ1 have
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been successfully displayed on the surface of <i>E. coli </i>using
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INPNC (7,
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15). <br>
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<u1:p></u1:p>Park <i>et al.</i> have shown that INPNC when fused to
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the <i>phaZ1</i>
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gene, including its signal sequence, can serve as a suitable surface
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delivery
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and secretion device of the otherwise toxic <i>phaZ1</i> gene product<i>
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</i>(15).&nbsp;
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<u1:p></u1:p>This part was synthesized by Mr. Gene (Regensburg,
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Germany) with
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codon optimization and subsequently transferred into vector (<span
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style="background: rgb(255, 255, 51) none repeat scroll 0% 50%; color: black; -moz-background-clip: -moz-initial; -moz-background-origin: -moz-initial; -moz-background-inline-policy: -moz-initial;"><span
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style="-moz-background-clip: -moz-initial; -moz-background-origin: -moz-initial; -moz-background-inline-policy: -moz-initial; background-attachment: scroll;">part
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name for AK vector).&nbsp;</span></span> As it is expected that this
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part will be used in the context of the fusion protein, the prefix and
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suffix
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for this part are consistent with the <i>BBF RCF-12</i>
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standard.&nbsp; <br>
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<u1:p></u1:p>We have proposed to build and test a general protein
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secretion
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system modeled after that developed by Park <i>et al. </i>in which a
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fusion of
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INPNC and the signal sequence from the <i>phaZ1</i> gene are used to
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secrete
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any target protein.&nbsp; <br>
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<i><u1:p></u1:p>We have modified this protein to be consistent with BBF
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RFC-12
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Standard. We have submitted this part to the parts registry as part </i><a
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href="http://partsregistry.org/wiki/index.php/Part:BBa_K265008"><i><span
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style="color: rgb(0, 0, 153);">BBa_K265008</span></i></a><i>.</i> <o:p></o:p></span></p>
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<u2:p></u2:p>
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<div class="MsoNormal" style="text-align: center;" align="center"><span
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style="">
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<hr align="center" size="2" width="100%"></span></div>
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<p class="MsoNormal" style=""><b><span style=""><a name="OmpA"></a>OmpA</span></b><span
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style="">: OmpA
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is one of the proteins on the outer membrane of <i>E. coli</i> (13),it
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is used
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as a displaying fusion protein on the cell surface . This part has
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already been
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documented on the parts registry; however, it has not been tested as a
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compnent
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of secretion system (via fusion with a target protein linked with a
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cleavable
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signal sequence) <i><br>
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<u1:p></u1:p>We have modified this protein to be consistent with BBF
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RFC-12 Standard.<br>
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Note: “It has remained essentially unknown how proteins of E. coli
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outer
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membrane are sorted and incorporated into this membrane” (10)</i> <i><br>
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For more information go to:<a
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href="http://partsregistry.org/wiki/index.php/Part:BBa_K103006">
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BBa_K103006</a></i>
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<o:p></o:p></span></p>
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<u2:p></u2:p>
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<div class="MsoNormal" style="text-align: center;" align="center"><span
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style="">
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<hr align="center" size="2" width="100%"></span></div>
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<p class="MsoNormal" style=""><b><span style=""><a name="RBS"></a>RBS</span></b><span
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style="">:&nbsp; Ribosome
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Binding site number 32 (BBa_J61132) from the registry is being used in
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our
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secretion system. <u2:p></u2:p><br>
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<i>For more information go to:</i> <a
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href="http://partsregistry.org/wiki/index.php/Part:BBa_J61132"><i>BBa_J61132</i></a><o:p></o:p></span></p>
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<u2:p></u2:p>
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<div class="MsoNormal" style="text-align: center;" align="center"><span
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style="">
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<hr align="center" size="2" width="100%"></span></div>
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<p class="MsoNormal" style=""><b><span style=""><a name="Terminator"></a>Terminator</span></b><span
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style="">: We are
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using BBa_B0015, a double terminator, as our terminator in both our
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secretion
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and pH system.<u2:p></u2:p><br>
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<i>For more information go to:</i> <a
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href="http://partsregistry.org/wiki/index.php?title=Part:BBa_B0015"><i>BBa_B0015</i></a>
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<o:p></o:p></span></p>
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<u2:p></u2:p>
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<div class="MsoNormal" style="text-align: center;" align="center"><span
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-
style="">
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<hr align="center" size="2" width="100%"></span></div>
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<p class="MsoNormal" style=""><b><span style=""><a name="GFP"></a>GFP</span></b><span
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style="">: We are
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using Green Fluorescent Protein as a reporter that also serves as a
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small
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protein in testing our secretion system.<br>
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<i>For more informaiton go to: </i><a
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-
href="http://partsregistry.org/wiki/index.php/Part:BBa_K265003"><i>BBa_K265003</i></a><i>&nbsp;</i><u2:p></u2:p><o:p></o:p></span></p>
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-
<div class="MsoNormal" style="text-align: center;" align="center"><span
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-
style="">
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<hr align="center" size="2" width="100%"></span></div>
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<p class="MsoNormal" style=""><b><span style=""><a name="Luciferase"></a>Luciferase</span></b><span
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-
style="">: Luciferase
+
-
is a firefly protein that also fluoresces, so it serves as a reporter
+
-
as well
+
-
as a testable large protein.<br>
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-
<i>For more information go to: <a
+
-
href="http://partsregistry.org/wiki/index.php/Part:BBa_I712019">BBa_1712019</a></i>
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-
<u2:p></u2:p><o:p></o:p></span></p>
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-
<div class="MsoNormal" style="text-align: center;" align="center"><span
+
-
style="">
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-
<hr align="center" size="2" width="100%"></span></div>
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-
<p class="MsoNormal" style=""><b><span style=""><a name="LacI"></a>LacI</span></b><span
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-
style="">: One
+
-
inducible Promoter which was found in the part registry.<br>
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-
<i>For more information go to:<a
+
-
href="http://partsregistry.org/wiki/index.php/Part:BBa_R0010">
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-
BBa_R0010</a><br style="">
+
-
<!--[endif]--></i><o:p></o:p></span></p>
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-
<u2:p></u2:p>
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-
<div class="MsoNormal" style="text-align: center;" align="center"><span
+
-
style="">
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-
<hr align="center" size="2" width="100%"></span></div>
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-
<p class="MsoNormal" style=""><b><span style=""><a name="SS"></a>SS</span></b><span
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-
style="">:The
+
-
signal sequence (SS) for the <i>phaZ1 </i>gene product of <i>Paucimonas
+
-
lemoignei</i>, a polyhydroxybutyrate depolymerase (15).&nbsp; In the
+
-
native
+
-
protein the signal sequence is cleaved between residues Ala37 and
+
-
Leu38.&nbsp;
+
-
Park <i>et al. </i>have showed that the fusion of the complete <i>phaZ1
+
-
</i>gene
+
-
(including SS) and a truncated ice nucleation protein from <i>Pseudomonas
+
-
syringae</i> (<a
+
-
href="http://partsregistry.org/wiki/index.php/Part:BBa_K265008"><i><span
+
-
style="color: rgb(0, 0, 153);">BBa_K265008</span></i></a>), could lead
+
-
to stable
+
-
expression and secretion of the <i>phaZ1</i> gene product.&nbsp; <br>
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<u1:p></u1:p>We propose that the signal sequence might be generally
+
-
useful as a
+
-
cleavage tag in secretion systems that include a membrane anchor
+
-
component,
+
-
such as INPNC (<a
+
-
href="http://partsregistry.org/wiki/index.php/Part:BBa_K265008"><i><span
+
-
style="color: rgb(0, 0, 153);">BBa_K265008</span></i></a>) or OmpA (<i><a
+
-
href="http://partsregistry.org/wiki/index.php/Part:BBa_K103006">BBa_K103006</a>).<span
+
-
style="color: rgb(0, 41, 57);"> </span></i>The proposed constructs
+
-
would consists of a
+
-
membrane anchor (INPNC or OmpA) followed by the cleavable signal
+
-
sequence and
+
-
finally a target protein marked for secretion.&nbsp; <br>
+
-
<i><u1:p></u1:p>Since we expect that this part will be used in the
+
-
context of a
+
-
fusion protein, we have modified this protein to be consistent with BBF
+
-
RFC-12
+
-
Standard. We have submitted this part to the part registry as part </i><a
+
-
href="http://partsregistry.org/wiki/index.php/Part:BBa_K265002"><i><span
+
-
style="color: rgb(0, 0, 153);">BBa_K265002</span></i></a>. <o:p></o:p></span></p>
+
-
<u2:p></u2:p>
+
-
<div class="MsoNormal" style="text-align: center;" align="center"><span
+
-
style="">
+
-
<hr align="center" size="2" width="100%"></span></div>
+
-
<p class="MsoNormal"><b><span style=""><a name="Tag"></a>6-His Tag</span></b><span
+
-
style="">:The 6-Histidine Tag serves as a tag for
+
-
Western Blotting if our fluorescent reporters are not expressed as
+
-
highly as we
+
-
would like. <u2:p></u2:p><br>
+
-
<i>Note: We are using this tag, just in case if the GFP or Luciferase
+
-
does not
+
-
work under a plate reader.</i></span></p>
+
-
<p class="MsoNormal"><span style=""></span></p>
+
-
<hr style="width: 100%; height: 2px;">
+
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Latest revision as of 16:44, 21 October 2009