Team:Bielefeld-Germany/Labjournal/week7

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==Week 7 (06/11 - 06/17/12)==
 
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===Monday June 11th===
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* '''Team Cloning of Bacterial Laccases:'''
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**Prepared plasmids for sequencing. We sent another isolated plasmid with'ecol(T7)_His. Also tthl(t7)_His,  bahl(T7)_His and  bpul(T7)_His plasmids were ready for sequencing.
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===Tuesday June 12th===
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*'''Team Student Academy:'''
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** The whole experiment was tested by another team member to plan the course.
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===Wednesday June 13th===
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* '''Team Cloning of Bacterial Laccases''': Since the GC amount of the ''S. griseus'' and ''S. lavendulae'' laccases are high we used betain to solve the PCR problem. Addition of betain did not change anything on the results, we still didn't got our laccase DNA.
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* '''Team Modeling''': Programming our first differential equation and finding the ODE15s function witch solves these equations.
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<li><a href="https://2012.igem.org/Team:Bielefeld-Germany/Labjournal/Starting"><strong>Prologue</strong></a></li>
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                <li><a href="https://2012.igem.org/Team:Bielefeld-Germany/Labjournal/week1"><strong>Week 1</strong></a></li>
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                <li><a href="https://2012.igem.org/Team:Bielefeld-Germany/Labjournal/week2"><strong>Week 2</strong></a></li>
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<li><a href="https://2012.igem.org/Team:Bielefeld-Germany/Labjournal/week3"><strong>Week 3</strong></a></li>
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<li><a href="https://2012.igem.org/Team:Bielefeld-Germany/Labjournal/week4"><strong>Week 4</strong></a></li>
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<li><a href="https://2012.igem.org/Team:Bielefeld-Germany/Labjournal/week5"><strong>Week 5</strong></a></li>
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<li><a href="https://2012.igem.org/Team:Bielefeld-Germany/Labjournal/week6"><strong>Week 6</strong></a></li>
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<li><a href="https://2012.igem.org/Team:Bielefeld-Germany/Labjournal/week7"><strong>Week 7</strong></a></li>
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<li><a href="https://2012.igem.org/Team:Bielefeld-Germany/Labjournal/week8"><strong>Week 8</strong></a></li>
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<li><a href="https://2012.igem.org/Team:Bielefeld-Germany/Labjournal/week9"><strong>Week 9</strong></a></li>
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<li><a href="https://2012.igem.org/Team:Bielefeld-Germany/Labjournal/week10"><strong>Week 10</strong></a></li>
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<li><a href="https://2012.igem.org/Team:Bielefeld-Germany/Labjournal/week11"><strong>Week 11</strong></a></li>
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<li><a href="https://2012.igem.org/Team:Bielefeld-Germany/Labjournal/week12"><strong>Week 12</strong></a></li>
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<li><a href="https://2012.igem.org/Team:Bielefeld-Germany/Labjournal/week13"><strong>Week 13</strong></a></li>
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<li><a href="https://2012.igem.org/Team:Bielefeld-Germany/Labjournal/week14"><strong>Week 14</strong></a></li>
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<li><a href="https://2012.igem.org/Team:Bielefeld-Germany/Labjournal/week15"><strong>Week 15</strong></a></li>
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<li><a href="https://2012.igem.org/Team:Bielefeld-Germany/Labjournal/week16"><strong>Week 16</strong></a></li>
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<li><a href="https://2012.igem.org/Team:Bielefeld-Germany/Labjournal/week17"><strong>Week 17</strong></a></li>
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<li><a href="https://2012.igem.org/Team:Bielefeld-Germany/Labjournal/week18"><strong>Week 18</strong></a></li>
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<li><a href="https://2012.igem.org/Team:Bielefeld-Germany/Labjournal/week19"><strong>Week 19</strong></a></li>
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<li><a href="https://2012.igem.org/Team:Bielefeld-Germany/Labjournal/week20"><strong>Week 20</strong></a></li>
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<li><a href="https://2012.igem.org/Team:Bielefeld-Germany/Labjournal/week21"><strong>Week 21</strong></a></li>
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<li><a href="https://2012.igem.org/Team:Bielefeld-Germany/Labjournal/week22"><strong>Week 22</strong></a></li>
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===Thursday June 14th===
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* '''Team Cloning of Bacterial Laccases''': Because our PCRs have not worked well we thought it may depends on the primer annealing temperature so we did gradient PCR with the same conditions as before ([https://2012.igem.org/Team:Bielefeld-Germany/Labjournal/week6 PCR June 4th]). But this also showed no result. Because we made Coloyn PCRs from the arrived DSMZ reaction tubes our next idea was to cultivate the bacteria in media and isolate genomic DNA.
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* '''Team Activity Tests''': Since our Tecan microplate reader is not able to actively cool down to 4 °C we got the chance to meet the photometer Carry. Check "protocols" for further information about her. We used the same set up with 100 mM natrium acetate buffer, 0,1 U ''T. versicolor'' laccase and 0,1 mM ABTS as before but now measured at 4°C. Our team is planning to visit a municipal sewage plant for getting some insights into the water conditions there, so we will for sure test other temperatures after having more information. Let´s hope the water there is a little warmer since laccase does not seem to be totally satisfied at 4°C. I would not either.
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===Friday June 15th===
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==Week 7 (06/11 - 06/17/12)==
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* '''Team Cloning of Bacterial Laccases''':
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** Sequencing of the pSB1C3 plasmid with bhal(T7)_His was ok. In conflict to our reference sequence there was a point mutation in the DNA sequence but this mutation doesn’t lead to another amino acid. So..next BioBrick (<partinfo>BBa_K863020</partinfo>) is ready to use!
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** The sequenced plasmid bpul(T7)_His showed again the same mutation in the laccase ORF compared to the reference sequence. We concluded that probably the PCR amplification caused the point mutation. So we did the digest  of bpul(T7)_His PCR products from a new PCR, ligated it in pSB1C3 backbone and transformed it in competent KRX cells. Additionally we did the digest tthl(T7)_His and the ligation in pSB1C3 backbone again.
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===Saturday June 16th===
 
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===Sunday June 17th===
 
{{Team:Bielefeld/Sponsoren}}
{{Team:Bielefeld/Sponsoren}}

Latest revision as of 21:15, 25 September 2012


Week 7 (06/11 - 06/17/12)

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About our Wiki

Fifteen students from different fields of study from the Bielefeld University aspired to complete a project called TOXIC COMPOUNDS IN NATURAL WATER - A CASE FOR LACCASE. In his Wiki we document our achievements and our approach.

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