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Team:Calgary/17 June 2009
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| - | + | JUNE 17, 2009 | |
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CAROL | CAROL | ||
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| - | + | QuikChange XL Site-Directed Mutagenesis for ''luxCDABE''in TOPO vector | |
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| - | + | Purpose: To mutate the XbaI site that is located about ~1000bp into the sequence. The reason for mutating the XbaI site for ''luxCDABE'' in TOPO vector is because to clone the sequence into a biobrick vector (pSB1AK3 and pSB1AC3), the enzyme, 'XbaI' is required for cloning purposes. Instead of cutting the sequence into two parts, we have to mutate the site so that it only cuts at the end of the sequence properly. | |
| + | * QuikChange XL Site-Directed Mutagenesis Kit retrived from Stratagene | ||
| + | * Both the control reaction and the control transformation was done as well to ensure efficiency of mutagenesis. Please see detailed procedures for mutagenesis in the protocol section. | ||
| + | * Plasmids were transformed into XL Gold Ultracompetent cells (part of the kit) and was plated on LB plates overnight at 37<sup>o</sup>C. The XL Gold Ultracompetent cells allow the uptake of single stranded DNA. | ||
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| - | + | Research : What is Hill Function ? | |
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| - | + | Hill function was first used to describe the binding between hemoglobin and oxygen . The Hill function describe the binding affinities between enzymes and substrates. | |
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| - | + | Transformation of BBK LuxOD47E in psB1AC3 | |
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| - | + | *Performed Antarctic Phosphatase treatment (NEB) on psB1AC3 vector from yesterday's construction digest according to the manufacturer's directions. Ligated with QuikLigase(Invitrogen). | |
| + | *Transformed BBK LuxOD47E TOP10 CaCl2 competent cells, along with PBluescript as a positive control for our competant cells, and plated on C plates for LuxOD47E and on A plates for PBluescript. Left plates in the 37°C incubator overnight for growth. | ||
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| - | + | Marketing for June 17th 2009 | |
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| - | + | Today i worked on our iGEM newsletter and wrote up stories for the events that we will be inserting in the newsletter. Events that are to be included will be our bake sales and our progress in the lab, Matlab and second life so far. | |
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| - | + | I also called some research and biotechnology companies for sponsorship and will do a follow-up with them soon. | |
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| - | + | Visualization of colony PCR products and plasmid isolation | |
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| + | <center>[[Image:Calgary_luxOU_ColPCR.jpg | 500px]]</center> | ||
| + | Figure. 1% agarose gel (100V) for colony PCR of TOP10 transformants using pTaq. Six colonies from each construction techniques were screened. Lane 2-7 are transformants from the EcoRI and PstI construction. Lane 8-13 are transformants from the XbaI and PstI construction. Lane 14 is the negative control. Expected band size was 2kb. Gene specific primers were used. 5μL of GeneRuler 1kb Plus DNA Ladder was loaded. | ||
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| + | Plasmid isolation of overnight cultures using QIAgen miniprep kit. Elution in 50uL ddH2O. | ||
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| + | Overnight digest set up of 2 plasmids from each construction technique with ''Not''I (Invitrogen, CA) at 37oC. | ||
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| - | + | Gel of Colony PCR of LuxPQ in psB1AK3 | |
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| - | + | The purpose today was to visualize the colony PCR of LuxPQ in psB1AK3. A 0.8% agarose gel was made to run the LuxPQ in psB1AK3 PCR products. Lanes 3-6 revealed faint bands at ~4,0 kb (the desired size), and the other wells (including the negative control) were clean. | |
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| - | + | Plan for restriction digest | |
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| - | + | * I believe the only cuts I am going to focus on are the digests that will allow for a part of a circuit to be inserted behind or in front of another part. | |
| + | * I will also have to start organizing a restriction digest notecard that explains the different restriction sites for a biobrick as well as the types of restriction enzymes. I will also most likely walk through one of the way to cut a part so that it is inserted in front of something and then leave the other way up to them | ||
| + | * For the quorum sensing display, I spent time placing the movement script into the bacteria and allowing for controlled replication | ||
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| - | + | Bacterial transformation | |
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| - | + | The parts R0040, B0015, and J13002 were taken out from the 2009 DNA distribution kit, and were transformed into TOP10 cells. These parts are needed for general construction of our circuits. | |
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| + | [[Image:Calgary_2009.06.16.B0015_R0040_J13002.plates.png|500px]] | ||
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| - | + | The Island Terrain | |
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| - | + | Today, I worked more in Photoshop and Backhoe to develop a terrain for our island we could use. It still needs some work as the drops into the water are very deep, and although they are smooth in Photoshop, Second Life renders them to be very circular around the edges. | |
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| - | + | Marketing and Newsletter | |
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| - | + | I began to write up stories on events and conferences from last month to add to our June newsletter. I also helped to pick our sponsor of the month. This month's proud sponsor of the month is BioAlberta! Congratulations! | |
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| + | I also followed up on 8 different companies, 2 of which are considering our project. I'm having difficulties trying to get a hold of some of these staff. I've left voice mails and sent emails with our sponsorship package. I'll continue to follow up throughout the week. | ||
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| - | <a name=" | + | <a name="Vicki"></a> |
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| - | + | VICKI | |
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| - | + | Plasmid isolation of LuxOD47A BBk from the overnight cultures made last night | |
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| - | + | Purpose: we have lots of competent TOP 10 cells with transformed LuxOD47A BBk on psB1AC3 in overnight plates, restreaks and cultures. The DNA in the overnight culture will be manipulated, but first it needs to be removed from the cells. | |
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| + | Protocol: Plasmid isolation was conducted in accordance with the procedure outlined on the protocol page for Sigma mini-prep kits. The concentrations of the isolated plasmids in ddHOH were measured with the Nanodrop spectrophotometer and placed in the -20 degree C freezer for a NotI restriction digest tomorrow. | ||
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| - | + | Negative control test | |
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| - | + | Purpose: Contamination appears to be rampant in everyone’s PCR products. This will test our reagents used in PCR master mix and help determine where the contamination is coming from. | |
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| + | Protocol: 3 samples were made: the negative control PCR product from yesterday (already amplified); new master mix with old water; and new master mix with new water. A PCR with pTaq DNA polymerase was conducted in accordance with the procedure outlined on the protocol page. | ||
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| + | Results: These are shown below. All of the purportedly negative controls are contaminated, including the new master mix made with new ddHOH. This implies that the communal reagents used in the master mix are also contaminated with a sequence that is specific to LuxO primers. | ||
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| + | [[Image:June17.png|700px]] | ||
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Latest revision as of 06:13, 20 October 2009
UNIVERSITY OF CALGARY
