Team:SDU-Denmark/labwork/Notebook

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Lab Work
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<h1>Laboratory Notebook</h1>
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Here you will find the log book for the procedures carried out in the laboratory, starting from week 27.   
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<h2>Laboratory Notebook</h2>
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Here you find the log book for the procedures carried out in the laboratory, starting from week 27.   
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    <span class="classred"><a href="https://2012.igem.org/Team:SDU-Denmark/labwork/Notebook"><b>1st week</b></a></span>    </regulartext></td>
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    <span><a href="https://2012.igem.org/Team:SDU-Denmark/labwork/Notebook/week2">2nd week</a></span></regulartext></td>
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    <span class="classred"><a href="https://2012.igem.org/Team:SDU-Denmark/labwork/Notebook/week3">3rd week</a></span>    </regulartext></td>
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    <span class="classred"><a href="https://2012.igem.org/Team:SDU-Denmark/labwork/Notebook/week4">4th week</a></span>    </regulartext></td>
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                                            <!----------1ST WEEK---------->
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<p> <b>02-07-2012  to  08-07-2012</b> </p>
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<p>The first week in lab started shortly after our exams. We had a goal, but were still uncertain about how to get there. We needed to get our hands on the coding sequence for a naturaly occouring inulin producing unit and there were several possible ways to get it.</br>
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We could synthesise it, isolate it from a plant with a suitible kit or something less handy. Since the iGEM project is a learning experience to us, we chose something less handy
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and designed our own experiment to isolate the mRNA from a suitable plant, using only the equipment and materials our lab had acces to from the beginning. <br/>
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After having sought out information on the net, we decided on the plant Helianthus Tuberosus, also known as Jerusalem artichoke, to be the source of the coding sequence(s). Helianthus Tuberosus has a two-part inulin synthesis consisting of 1-SST and 1-FFT. Both genes are needed for the complete synthesis and thus both needed to be aquired. <br/>
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During the summer, June-July-August, the Helianthus Tuberosus is growing and producing alot of inulin in the tubers of the plant. We took advantage of that and used our newly developed plant mRNA isolation protocol to isolate mRNA from the tubers.<br/>
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The process involved cutting up the tubers, flash-freezing with liquid nitrogen to halt RNase activity, which is VERY important when isolating RNA. Following, the plant material was grinded into fine dust while kept frozen to keep the plant cell walls rigid in an attempt to destroy them and release the mRNA and dissolved in RTL buffer. <br/>
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The solution was treated with ultrasound to homogenize it to further disrupt the remaining cell wall. Cell wall and larger organelles were pelleted by centrifuge. From here on a mRNA isolation kit for mamalian cells was used to extract the RNA from the remaining solution.<br/>
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See *mRNA isolation protocol* for further details.<br/>
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Using reverse transcriptase we were able to convert the isolated mRNA to cDNA.<br/><br/>
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The now isolated mRNA solutions were measured on a Nanodrop to ascertain their concentrations:<br/>
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Control: 627 ng/uL<br/>
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Sonic: 747 ng/uL <br/><br/>
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Furthermmore we designed primers that would anneal to the ends of the 1-SST and 1-FFT coding sequences, with the help of Steffen Smidth, and ordered them home.<br/>
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<!--
<!--

Latest revision as of 02:03, 27 September 2012

iGEM TEAM ::: SDU-DENMARK

Laboratory Notebook

Here you will find the log book for the procedures carried out in the laboratory, starting from week 27.

1st week 2nd week 3rd week 4th week
5th week 6th week 7th week 8th week
9th week 10th week 11th week 12th week

02-07-2012 to 08-07-2012

The first week in lab started shortly after our exams. We had a goal, but were still uncertain about how to get there. We needed to get our hands on the coding sequence for a naturaly occouring inulin producing unit and there were several possible ways to get it.
We could synthesise it, isolate it from a plant with a suitible kit or something less handy. Since the iGEM project is a learning experience to us, we chose something less handy and designed our own experiment to isolate the mRNA from a suitable plant, using only the equipment and materials our lab had acces to from the beginning.
After having sought out information on the net, we decided on the plant Helianthus Tuberosus, also known as Jerusalem artichoke, to be the source of the coding sequence(s). Helianthus Tuberosus has a two-part inulin synthesis consisting of 1-SST and 1-FFT. Both genes are needed for the complete synthesis and thus both needed to be aquired.
During the summer, June-July-August, the Helianthus Tuberosus is growing and producing alot of inulin in the tubers of the plant. We took advantage of that and used our newly developed plant mRNA isolation protocol to isolate mRNA from the tubers.
The process involved cutting up the tubers, flash-freezing with liquid nitrogen to halt RNase activity, which is VERY important when isolating RNA. Following, the plant material was grinded into fine dust while kept frozen to keep the plant cell walls rigid in an attempt to destroy them and release the mRNA and dissolved in RTL buffer.
The solution was treated with ultrasound to homogenize it to further disrupt the remaining cell wall. Cell wall and larger organelles were pelleted by centrifuge. From here on a mRNA isolation kit for mamalian cells was used to extract the RNA from the remaining solution.
See *mRNA isolation protocol* for further details.
Using reverse transcriptase we were able to convert the isolated mRNA to cDNA.

The now isolated mRNA solutions were measured on a Nanodrop to ascertain their concentrations:
Control: 627 ng/uL
Sonic: 747 ng/uL

Furthermmore we designed primers that would anneal to the ends of the 1-SST and 1-FFT coding sequences, with the help of Steffen Smidth, and ordered them home.

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