User:DavidC/17 September 2009

From 2009.igem.org

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=== Friday the 18th ===
 
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==== Restriction digest ====
 
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==== Ligation between B0014 and P1003 ====
 
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Restriction digest of BBa_B0014 (= 2,41µg/µL) by EcoRI and XbaI (3284bp): <br>
 
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DNA (10µg final) = 4,2µL <br>
 
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Buffer Eco R1 (NEB) = 5µL <br>
 
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H20 = 39,8µL <br>
 
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Eco R1 = 1µL <br>
 
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Incubation 1h at 37°C. <br>
 
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DNA purification with a nucleospin (macherey-nagel). <br>
 
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DNA = 50µL <br>
 
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Buffer 2 (NEB) = 6µL <br>
 
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BSA (NEB) = 0,6µL <br>
 
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H20 = 2,4µL <br>
 
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Xba 1 = 1µL <br>
 
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Incubation 1h at 37°C. <br><br>
 
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Restriction digest of P1003 (4,17µg/µL) by EcoRI and SpeI (967bp): <br>
 
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DNA (10µg final) = 2,4µL <br>
 
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Buffer Eco R1 (NEB) = 5µL <br>
 
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H20 = 40,6µL <br>
 
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BSA = 0,5µL <br>
 
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Eco R1 (NEB) = 1µL <br>
 
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Spe 1 (NEB) = 1µL <br>
 
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Incubation 1h at 37°C. <br>
 
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==== Ligation of B0014 with C0012 ====
 
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B0014 (= 2,41µg/µL) restriction digest by EcoRI and XbaI (3284bp): <br>
 
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Same samples as the restriction digest used for B0014 and P1003 ligation. <br><br>
 
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C0012 (1,56µg/µL) restriction digest by EcoRI and SpeI (1128bp): <br>
 
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DNA (10µg final) = 6,4µL <br>
 
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Buffer Eco R1 (NEB) = 5µL <br>
 
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H20 = 36,1µL <br>
 
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BSA = 0,5µL <br>
 
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Eco R1 (NEB) = 1µL <br>
 
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Spe 1 (NEB) = 1µL <br>
 
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Incubation 1h at 37°C. <br>
 
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==== DNA electrophoresis ====
 
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85 Volt, 15 minutes. <br>
 
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105 Volt, 40 minutes. <br>
 
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Ladder fermentas 1 Kb. <br>
 
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Samples:
 
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==== DNA purification ====
 
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Kit Qiagen “gel extraction kit”, final volume = 50µL. <br>
 
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==== Ligation ====
 
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Ligation schemes: plasmid / insert: <br>
 
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BBa_B0014/BBa_P1003 ; <br>
 
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BBa_B0014/BBa_C0012. <br>
 
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First report: <br>
 
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Plasmid = 1µL <br>
 
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Insert = 5µL <br>
 
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Second report: <br>
 
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Plasmid = 1µL <br>
 
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Insert = 3µL <br>
 
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Third report: <br>
 
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Plasmid = 1µL <br>
 
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Insert = 7µL <br>
 
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==== NEB Enzymes ====
 
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For each samples add sterilized water to obtain a maximum volume equals to 8µL. <br>
 
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Ligation mix (NEB): <br>
 
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3µL of T4 ligase + 3µL of T4 ligase buffer. <br>
 
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Add 2µL / tube. <br>
 
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Incubation 1h at RT. <br>
 
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==== Electroporation ====
 
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Electroporation cuvettes = 2mm ; inoculums of electrocompetent <i>E.coli</i> DH5alpha= 40µL; pulse = 2,5KVolt ; 1h of incubation. <br>
 
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Spread 1mL of inoculums into a petri dish with LB + ampicillin (50mg/mL) (20/0,02mL). <br>
 

Latest revision as of 03:27, 21 October 2009

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