Team:The Agency Escondido/project

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                 <a href="http://agency-stem.org"><img width=500px src="http://agency-stem.org/static/img/2013-heading-web.png" alt="Agency Logo"/></a>
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                 <a href="http://agency-stem.org"><img width=500px src="https://static.igem.org/mediawiki/igem.org/b/bb/Agency-2013-heading-web.png" alt="Agency Logo"/></a>
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<li><a href="https://2013hs.igem.org/Team:The_Agency_Escondido">About</a></li>
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    <li>
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<li><a href="https://2013hs.igem.org/Team:The_Agency_Escondido/notebook">Notebook</a></li>
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        <a href="https://2013hs.igem.org/Team:The_Agency_Escondido">About</a>
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<li><a href="https://2013hs.igem.org/Team:The_Agency_Escondido/safety">Safety</a></li>
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        <ul>
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<li id="selectedsection">Project</a></li>
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            <li><a href="https://2013hs.igem.org/Team:The_Agency_Escondido">General</a></li>
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<li><a href="https://2013hs.igem.org/Team:The_Agency_Escondido/sandiego">San Diego</a></li>
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            <li><a href="https://2013hs.igem.org/Team:The_Agency_Escondido/sandiego">San Diego</a></li>
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<li><a href="https://2013hs.igem.org/Team:The_Agency_Escondido/ourteam">Our Team</a></li>
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            <li><a href="https://2013hs.igem.org/Team:The_Agency_Escondido/ourteam">Our Team</a></li>
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        </ul>
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        <a href="https://2013hs.igem.org/Team:The_Agency_Escondido/project"><u>Project</u></a>
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        <ul>
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            <li><a href="https://2013hs.igem.org/Team:The_Agency_Escondido/project/rock">Rock</a></li>
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            <li><a href="https://2013hs.igem.org/Team:The_Agency_Escondido/project/paper">Paper</a></li>
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            <li><a href="https://2013hs.igem.org/Team:The_Agency_Escondido/project/scissors">Scissors</a></li>
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        </ul>
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    </li>
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    <li>
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        <a href="https://2013hs.igem.org/Team:The_Agency_Escondido/notebook">Notebook</a>
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        <ul>
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            <li></li>
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        </ul>
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    </li>
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    <li>
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        <a href="https://2013hs.igem.org/Team:The_Agency_Escondido/safety">Safety</a>
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        <ul>
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            <li></li>
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</h2>
</h2>
<p>
<p>
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Our project seeks to create two identical triads of transparent bacteria strains with complementary hydrophobic inducer production to emulate the game of "rock, paper, scissors" (Hydrophobic proteins can move through plasma membranes). Each triad will correspond to a group: group A and group B. Each type of bacteria will produce a specific protein that will act as an inducer to one and only one other bacteria strain(rock strain, paper strain, and scissors strain). Each triad will have different reporter genes designating its champion color. When two bacteria strains are combined in an agar plate, each protein secreted by the victorious strain, when acting as an inducer, changes the color of the cells on the plate identifying the champion.
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Our project seeks to create two identical triads of transparent bacteria strains with complementary hydrophobic inducer production to emulate the game of "rock, paper, scissors" (Hydrophobic proteins can move through plasma membranes). Each triad will correspond to a group: group A and group B. Each type of bacteria will produce a specific protein that will act as an inducer to one and only one other bacteria strain(rock strain, paper strain, and scissors strain). Each triad will have different reporter genes designating its champion color. When two bacteria strains are combined in an agar plate, each protein secreted by the victorious strain, when acting as an inducer, changes the color of the cells on the plate identifying the champion. Through this game, we will learn of the inducers' solubility in water. Only hydrophobic inducers can permeate the cell and induce an operon in a foreign cell. We developed our <a href="http://casp.agency-stem.org/media/G13-LP0013-40.pdf">paper protocol</a>, <a href="http://casp.agency-stem.org/media/G13-LP0009-21.pdf">rock protocol</a>, and <a href="http://casp.agency-stem.org/media/G13-LP0010-57.pdf">scissors protocol</a> before we began our project.
</p>
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<p>At the time of writing we are about 75% done with our project. We still need to complete the final assembly of the "scissors" strain and need to complete the second and third assembly of the "rock" and "paper" strains. We anticipate completion by the end of the summer.</p>
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<a id="rock"></a>
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<img height="650px" width="700px" src=https://static.igem.org/mediawiki/2013hs/a/af/The_agency_escondido_plasmid_map_2013_2.gif id="plasmidmap" usemap ="#plasmidmap"></img>
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<area shape ="rect" coords ="0,0,233,650" href ="https://2013hs.igem.org/Team:The_Agency_Escondido/project/rock" alt="Rock" />
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    <th><h2>Contents</h2></th>
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<area shape ="rect" coords ="233,0,466,650" href ="https://2013hs.igem.org/Team:The_Agency_Escondido/project/paper" alt="Paper" />
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<area shape ="rect" coords ="466,0,700,650" href ="https://2013hs.igem.org/Team:The_Agency_Escondido/project/scissors" alt="Scissors" />
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      <td><a href="#rock"> Rock </a> </td>
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      <td><a href="#paper"> Paper </a> </td>
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      <td><a href="#scissors" > Scissors </a> </td> 
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<a id="rock"></a>
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<h2> Rock </h2>
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<p>The "rock" bacteria strain will have a CFP (<a href = "http://partsregistry.org/Part:BBa_E0020">part E0020</a>) and promoter (<a href = "http://partsregistry.org/Part:BBa_R0080">part R0080</a>). It will contain the LuxR gene (<a href = "http://partsregistry.org/Part:BBa_C0062">part C0062</a>) to induce the "paper" strain.</p>
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<h3>Notebook</h3>
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<h4>May 20</h4>
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<p>Andrew Buss began <a href="http://casp.agency-stem.org/media/G13-LP0012-25.pdf">a protocol to prepare competent cells</a>. This protocol omitted the final step of resuspension.</p>
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<h4>May 21</h4>
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<p>Andrew Buss completed the cell competency protocol from the previous
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day, spinning down 8 mL total in sequence.
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<p>
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With the arrival of ampicillin, Andrew Buss streaked BBa_S01022 onto a
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quadrant of an ampicillin agar plate.
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</p>
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<p>
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Andrew Buss began transforming DNA for later assemblies into cells,
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using 5 uL of resuspended DNA per sample in water as suggested by the
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<a href="http://partsregistry.org/Help:Distribution_Kits">Parts Registry protocol</a>. If the transformation failed with 5 uL, then 40
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uL containing 1 ug could be used in another protocol. 50 pg of DNA from
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the transformation efficiency kit was used as an RFP control. The second
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and last centrifugation in the protocol was carried out using 0.6 mL
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tubes. Unfortunately, the rotor in the centrifuge was designed for 1.5
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mL tubes. When centrifuging, three of the tubes were forced open, and
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fell through the holes in the rotor. These three samples were lost.
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</p>
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<p>
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Andrew Buss restarted transformation, using the same protocol. Cells
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were left to incubate overnight in LB containing the appropriate
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antibiotics: the transformation control and pSB1C3 used chloramphenicol,
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while the remainder used ampicillin.</p>
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<h4>May 22</h4>
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<p>The chloramphenicol plate from the previous day displayed faint streaks (possibly simply indentations in the agar) but no distinct colonies. The ampicillin plate containing BBa_S01022 displayed dense growth. Andrew Buss extended some streaks onto the next quadrant to reduce the density to individual cells.</p>
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<p>Andrew Buss streaked two quadrants of an ampicillin plate with BBa_R0080 and BBa_B0010. BBa_J37033 was transformed on the previous day, but was accidentally omitted from the streaking step. </p>
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<h4>May 23</h4>
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<p>The chloramphenicol plate containing BBa_S01022 displayed additional dense growth. Andrew Buss streaked the second half of the plate more thoroughly, attempting to dilute the colonies enough to pick out a single one the next day.</p>
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<p>The ampicillin plates and the pSB1C3 quadrant still displayed no growth. Andrew Buss ran a third transformation, using the previous day's NEB10 cells. The competency procedure went well - resuspension occurred readily, and the initial OD 600 of the samples was almost exactly the recommended 0.6.</p>
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<h4>May 24</h4>
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<p>Andrew Buss inoculated one tube of ampicillin LB broth with BBa_S01022, and another with BBa_R0080. Other samples did not show convincing colonies. </p>
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<h4>May 27</h4>
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<p>Parts BBa_S01022 and BBa_R0080 grew well in selective ampicillin media over the weekend. Andrew Buss prepared glycerol stocks of each and then performed miniprep on both.</p>
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<p>Part BBa_37033 was not streaked onto a plate on the 24th, so Andrew Buss streaked the three transformation samples onto quadrants of ampicillin agar prepared on the 23rd.</p>
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<p>The chloramphenicol plate containing the transformation control and pSB1C3 displayed growth of red cells inside the pSB1C3 quadrant. Evidently, Andrew Buss had streaked onto the wrong quadrants on the 23rd. An additional quadrant of the plate was streaked from the "221" and "121" samples from the 22nd and 23rd.</p>
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<p>Andrew Buss streaked a third quadrant of the chloramphenicol plate with three transformations of pSB1C3.</p>
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<h4>May 28</h4>
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<p>The pSB1C3 quadrant showed no growth, nor did the three quadrants of BBa_37033. Another transformation may be attempted the next day if material remains.</p>
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<p>Andrew Buss inoculated two tubes of LB media with NEB10 cells for transformation the next day.</p>
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<p>Andrew Buss prepared 200 mL of LB media.</p>
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<h4>May 29</h4>
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<p>The pSB1C3 quadrant and the three BBa_37033 quadrants showed no growth. Andrew Buss inoculated selective ampicillin media with the entirety of the three transformation outputs. pSB1C3 should have been processed similarly but was omitted by accident. </p>
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<h4>May 30</h4>
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<p>The tube containing BBa_37033 showed growth. Andrew Buss inoculated a new tube with the most optically dense transformation, sample 221 of pSB1C3. </p>
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<h4>May 31</h4>
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<p>The tube containing sample 221 of pSB1C3 showed no growth. Andrew Buss inoculated two new tubes of chloramphenicol media with samples 121 and 11 of pSB1C3.</p>
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<p>Andrew Buss prepared a glycerol stock of BBa_37033.</p>
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<h4>June 3</h4>
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<p>Sample 11 of the pSB1C3 transformation grew well in chloramphenicol media over the weekend. Andrew Buss forgot to create a glycerol stock before miniprep, but, luckily, only a few mL were used for miniprep. A glycerol stock will be created the next day.</p>
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<p>Andrew Buss inoculated selective ampicillin media with 500 uL of the BBa_37033 glycerol stock from Friday to check that cells would survive the freezing and thawing process. After several hours, the tube showed growth.</p>
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<p>Andrew Buss performed a restriction digest using BBa_R0080 as the upstream part, BBa_S01022 as the downstream part, and pSB1C3 as the destination plasmid, using the NEB protocol for restriction with its BioBrick Assembly kit. Without any means of quantifying the miniprepped DNA from 5/27, Andrew Buss assumed a 50 ng/uL concentration for both samples, based very roughly on estimates of other teams' measurements. Because miniprep took place during the restriction digest, he used the 25 ng/uL pSB1C3 DNA sample from the iGEM 3A Assembly kit.</p>
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<p>Andrew Buss completed ligation of the restriction digests. While he had intended to transform immediately, Evan Santos' cell competency protocol went awry, and competent cells were not available. Transformation should take place during the next day.</p>
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<a id="paper"></a>
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<h2> Paper </h2>
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<p>The "paper" bacteria strain will have an GFP (<a href = "http://partsregistry.org/Part:BBa_E0040">part E0040</a>) and promoter (<a href = "http://partsregistry.org/Part:BBa_I1051">part I1051</a>). It will contain the Lambda cl repressor gene (<a href = "http://partsregistry.org/Part:BBa_C0051">part C0051</a>) to induce the "scissors" strain.</p>
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<h3> Notebook</h3>
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<p>Grant Hassinger did a run of transforming Cells with I13500 and E0040 but the label wiped off and they became indistinguishable so the work was bleached and disposed of.</p>
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<h4>May 23</h4><p>Vansh Singh inoculated eppendorfs with resuspended BBa_I3500 and BBa_R0062.</p>
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<a id="scissors"></a>
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<h2> Scissors </h2>
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<p>The "scissors" bacteria strain will have an RFP (<a href = "http://partsregistry.org/Part:BBa_E1010">part E1010</a>)and promoter (<a href = "http://partsregistry.org/Part:BBa_I12006">part I12006</a>). It will contain the AraC gene (<a href = "http://partsregistry.org/Part:BBa_C0080">part C0080</a>) to induce the "rock" strain.</p>
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<h3>Notebook</h3>
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<h4>May 20</h4><p>Vansh Singh began <a href="http://casp.agency-stem.org/media/G13-LP0012-25.pdf">a protocol to prepare competent cells</a>. This protocol omitted the final step of resuspension. Vansh caught this mistake in the protocol and continued the process of making competent cells from the protocol's source.</p>
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<h4>May 21</h4><p>Vansh Singh completed cell competency from yesterday.</p>
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<p>Vansh Singh resuspended BBa_B0015, BBa_I12006, BBa_I13502,pSBIA3, and pSBICK3. He transformed these parts into competent cells. Unfortunately, a thermocycler program which was supposed to hold parts at 42 degrees Celsius for two minutes went up to 92 degrees Celsius. He stopped the program as it was climbing up to 92 degrees when it was at 90 degrees. Transformation was compromised. However, Vansh Singh continued the transformation process of those cells. Afterwards, he also found it fit to start another round of transformation. Vansh Singh inoculated the transformed cells from his first batch onto an agar plate. However, he had forgotten to add the respective antibiotics to the plates beforehand. Therefore the plates had to be disposed.</p><p>Vansh Singh moved the cells into the fridge before he left</p>
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<h4>May 22</h4><p>Vansh Singh superficially added Ampicillin to an agar plate and added Kanamayacin to another agar plate. Because of limited plates, he divided each plate into fifths and inoculated cells from each batch into its respective agar plate in its respective "fifth." Vansh Singh made LB agar.</p>
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<h4>May 23</h4><p>Vansh Singh inoculated tubes with BBa_B0015, BBa_I12006, BBa_I13502, pSBIA3, and pSBIK3. Hours later, he realized that he had forgot to add antibiotics into the LB in each tube.</p>
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<h4>May 24</h4><p>Vansh Singh inoculated new tubes with BBa_B0015, BBa_I12006, pSBIA3, BBa_I13502, IpSBIK3, BBa_K228032, and BBa_K093006 with LB and respective antibiotics.</p>
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<h4>May 27</h4><p>Vansh Singh made 1 mL of glycerol stock from parts BBa_B0015,  BBa_I12006, pSBIA3, pSBIK3,  BBa_K228032,  BBa_K093006,  and  BBa_I13502 which had been grown in selective media over the weekend.</p>
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<p> Vansh Singh performed DNA miniprep of the seven parts according to the <a href = "https://www.promega.com/~/media/Files/Resources/ProtCards/PureYield%20Plasmid%20Miniprep%20System%20Quick%20Protocol.pdf">Promega PureYield(TM) Plasmid Miniprep System</a>.</p>
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<h4>May 28</h4><p>Vansh Singh performed <a href = "http://casp.agency-stem.org/media/G13-LP0011-40.pdf">Restriction Digest</a> of <a href = "http://casp.agency-stem.org/media/G13-LP0010-57.pdf">Assembly 1 of the "Scissors" strain</a>. Evan Santos performed <a href = "http://casp.agency-stem.org/media/G13-LP0008-27.pdf">Ligation</a> of <a href = "http://casp.agency-stem.org/media/G13-LP0010-57.pdf">Assembly 1 of the "Scissors" strain</a></p>
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<h4>May 29</h4><p>Vansh Singh made competent cells and transformed the ligated plasmid from yesterday into the competent cells. He then inoculated chloremphenicol plates with some cells. The remaining 1ml of cells were stored in the fridge.</p>
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<h4>May 30</h4><p>Vansh Singh's plate showed no growth. He inoculated another chloremphenicol plate with the transformed cells.</p>
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<h4>May 31</h4><p>Vansh Singh's plates showed no growth.</p>
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Latest revision as of 04:15, 22 June 2013