Team:Bielefeld-Germany/Labjournal/week17

From 2012.igem.org

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=Labjournal=
 
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[https://2012.igem.org/Team:Bielefeld-Germany/Labjournal/week1 Week1]
 
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[https://2012.igem.org/Team:Bielefeld-Germany/Labjournal/week2 Week2]
 
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[https://2012.igem.org/Team:Bielefeld-Germany/Labjournal/week3 Week3]
 
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[https://2012.igem.org/Team:Bielefeld-Germany/Labjournal/week4 Week4]
 
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[https://2012.igem.org/Team:Bielefeld-Germany/Labjournal/week5 Week5]
 
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[https://2012.igem.org/Team:Bielefeld-Germany/Labjournal/week6 Week6]
 
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[https://2012.igem.org/Team:Bielefeld-Germany/Labjournal/week7 Week7]
 
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[https://2012.igem.org/Team:Bielefeld-Germany/Labjournal/week8 Week8]
 
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[https://2012.igem.org/Team:Bielefeld-Germany/Labjournal/week9 Week9]
 
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[https://2012.igem.org/Team:Bielefeld-Germany/Labjournal/week10 Week10]
 
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[https://2012.igem.org/Team:Bielefeld-Germany/Labjournal/week11 Week11]
 
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[https://2012.igem.org/Team:Bielefeld-Germany/Labjournal/week12 Week12]
 
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[https://2012.igem.org/Team:Bielefeld-Germany/Labjournal/week13 Week13]
 
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[https://2012.igem.org/Team:Bielefeld-Germany/Labjournal/week14 Week14]
 
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[https://2012.igem.org/Team:Bielefeld-Germany/Labjournal/week15 Week15]
 
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[https://2012.igem.org/Team:Bielefeld-Germany/Labjournal/week16 Week16]
 
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[https://2012.igem.org/Team:Bielefeld-Germany/Labjournal/week17 Week17]
 
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[https://2012.igem.org/Team:Bielefeld-Germany/Labjournal/week18 Week18]
 
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[https://2012.igem.org/Team:Bielefeld-Germany/Labjournal/week19 Week19]
 
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[https://2012.igem.org/Team:Bielefeld-Germany/Labjournal/week20 Week20]
 
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[https://2012.igem.org/Team:Bielefeld-Germany/Labjournal/week21 Week21]
 
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==Week 17 (08/20 - 08/26/12)==
==Week 17 (08/20 - 08/26/12)==
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===Sunday August 26th===
===Sunday August 26th===
Sunday
Sunday
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{{Team:Bielefeld/Sponsoren}}

Revision as of 13:43, 13 September 2012

Contents

Week 17 (08/20 - 08/26/12)

Monday August 20th

  • Team Site Directed Mutagenesis:

Plasmidisolation of X.camp_2247 1-4 and X.camp_3633 1-4 Testrestriktion with PstI: - all negativ Colony-PCR of T10_NotI (24 Colonies) -all negativ

  • Team Cellulose Binding Domain:

CBD: Colony-PCR of 24 Assembly-colonies - all colonies only have CBDclos. Assembly didn't work at all...

Tuesday August 21st

Restriktion of pSB1C3+CBDclos with EcoRI+AgeI-HF in Buffer 4 + BSA To test the Restriktion Enzymes - works

  • Team Activity Tests: I know, all of you are expecting us to report about some laccase activity now, but today is going to be different. Today we started with a special task: a q-PCR. As written in one of our last labjournal entries we have discussed a lot and searched for reasons why our laccases are not active. We decided that one possible step to find the mistake is to analyze the transcript. The level of mRNA will show us if our plasmid is expressed at all or if there might be something wrong with it. Team Cultivation cultivated small samples of E.coli KRX with plasmids of laccases from the following organisms:Escherichia coli, Bacillus pumilus, Bacillus halodurans C-125, Xanthomonas campestris pv. campestris B100 and Thermus thermophilus. As controls a sample with a ligase a plasmid (to ensure the induction works) and E. coli KRX (without any plasmid) were used. So our first step today was freezing some cell pellets for a RNA isolation and ordering primers. We will go on with our new mission as soon as the primers arrive.

Wednesday August 22nd

Street Science: Went to Dr. Joe Max Risse today and asked him about the mircoorganisms of the Fermentationgroup. He recommended Euglena gracilis, since it is without risk, big, colorful, and very healthy under the microscop. I asked for the bacteria they have and he told me I could check if their Kocuria rosea is a wild type. In the DMSZ catalog there are three strains of Kocuria rosea and all have been assessed to be of riskgroup 1, which is the safest group of bacteria and means it is unlikely that it will infect humans. I also asked for Penicillium chrysogenum but the one they use is a GVO.

  • Team Site Directed Mutagenesis:

Ordered new primers for Xantomonas Campestris SDM, since there is still no positiv coloniy and even gradient-PCR gave the wrong product

  • Team Cellulose Binding Domain:

Test-restriktion of all isolated CBDcex- and the GFP_Freiburg-plasmids with NotI - no positiv result Started new and made a gradient PCR for GFP-Freiburg and CBDcex (50-70°C)

Thursday August 23rd

Friday August 24th

Saturday August 25th

Sunday August 26th

Sunday

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