Title
leader under the title, short introduction. Ubique moderatius efficiantur eum et, dico oporteat recusabo ius cu, pro id modus sadipscing. Maluisset patrioque eum ad, mel eius doctus accommodare eu, minimum deleniti repudiandae mel ea. Noster nostrud diceret sea no. Eos an nullam molestiae signiferumque, vel ne laudem ignota oblique. Duo te luptatum percipitur signiferumque, at dicunt iriure dolorem his.
June
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Week 1 (May 30 - June 5)
Wetlab
Yarowia lipolytica PO1f Δku70 was obtained from Cory M. Schwartz, cultivated and freeze stocked for future use.
Compute
![](https://static.igem.org/mediawiki/2016/8/8d/T--DTU-Denmark--hardware.png)
Hardware
Our Arduino starter kits arrived! Make an LED blink. that’s how it begins.
Week 2 (June 6 - June 12)
Wetlab
![](https://static.igem.org/mediawiki/2016/a/ae/T--DTU-Denmark--moleculartools.png)
Molecular Toolbox
![](https://static.igem.org/mediawiki/2016/a/a7/T--DTU-Denmark--pex10.png)
CRISPR-Cas9 induced PEX10knockout
Y. lipolytica PO1f genome sequence was annotated and protospacer for targeting PEX10 was designed and ordered from IDT. Protospacer for Gibson Assembly with CRISPRyl plasmid (Addgene plasmid #70007) SCR1'- tRNAGly (bold), Protospacer (underlined), sgRNA (italic) 5'-GGGTCGGCGCAGGTTGACGTGTACAAGGAGGAGCTGGAGAGTTTTAGAGCTAGAAATAGC-3' Oligos designed to amplify a 1kb region upstream and downstream PEX10 and anneal together by fusion PCR were also ordered from IDT.
![](https://static.igem.org/mediawiki/2016/5/57/T--DTU-Denmark--ura3.png)
CRISPR-Cas9 induced URA3insertion
The Y. lipolytica PO1f genome sequence was annotated and uploaded to Benchling for sgRNA design. sgRNAs targeting the SUC2 gene were designed. Primers were designed that amplify the functional URA3 gene including 1 kb upstream and downstream flanking regions.
![](https://static.igem.org/mediawiki/2016/a/ac/T--DTU-Denmark--pSB1A8YL.png)
pSB1A8YL
Ran a bunch of PCRs to amplify the pUC19 part of our plasmid, but it’s not working - nothing but smear. Tried to transform the pUC19 plasmid into Escherichia coli.
![](https://static.igem.org/mediawiki/2016/7/79/T--DTU-Denmark--substrate.png)
Substrates
We did an initial experiment determining the full growth cycle of Y. lipolytica W29. This will be used to plan and time the following growth experiments. Waste glycerol from the industrial biodiesel producer DAKA is acquired for late screening.
Compute
![](https://static.igem.org/mediawiki/2016/8/8d/T--DTU-Denmark--hardware.png)
Hardware
We started building light sensors using photoresistors. Shortlisting ideas for our final project: - A microtiter plate reader - Hack a printer to build a membrane homogenizer - Chemostat bioreactor
Week 3 (June 13 - June 19)
Wetlab
![](https://static.igem.org/mediawiki/2016/a/ae/T--DTU-Denmark--moleculartools.png)
Molecular Toolbox
![](https://static.igem.org/mediawiki/2016/a/a7/T--DTU-Denmark--pex10.png)
CRISPR-Cas9 induced PEX10knockout
Genomic DNA from Y. lipolytica PO1f Δku70 and Y. lipolytica W29 was purified. PEX10 flanking regions were successfully amplified from Y. lipolytica PO1f Δku70.
![](https://static.igem.org/mediawiki/2016/5/57/T--DTU-Denmark--ura3.png)
CRISPR-Cas9 induced URA3insertion
Genomic DNA from Y. lipolytica PO1f Δku70 and Y. lipolytica W29 was purified. - PCR attempts to amplify URA3 and flanks failed. - sgRNAs targeting the SUC2 gene were hybridized.
![](https://static.igem.org/mediawiki/2016/a/ac/T--DTU-Denmark--pSB1A8YL.png)
pSB1A8YL
Purified the plasmid from the transformants and use this as template for PCR, although it’s still not giving any bands.
![](https://static.igem.org/mediawiki/2016/7/79/T--DTU-Denmark--substrate.png)
Substrates
We did initial growth experiments on minimal media with an array of different carbon sources. This experiment was discarded due to lack of repeats and wrong vitamin solution for minimal media. Waste from canola oil production by Grønninggaard is acquired. Molasses from Dansukker sugar production is acquired.
Compute
![](https://static.igem.org/mediawiki/2016/d/d8/T--DTU-Denmark--modeling.png)
Hardware
Exploring the Arduino IDE and all the electronic components we ordered. There is so much to learn.
Week 4 (June 20 - June 26)
Wetlab
![](https://static.igem.org/mediawiki/2016/a/ae/T--DTU-Denmark--moleculartools.png)
Molecular Toolbox
![](https://static.igem.org/mediawiki/2016/a/a7/T--DTU-Denmark--pex10.png)
CRISPR-Cas9 induced URA3insertion
PCR attempts to amplify URA3 + flanks from Y. lipolytica W29 genomic DNA failed. New primers were ordered.
![](https://static.igem.org/mediawiki/2016/a/ac/T--DTU-Denmark--pSB1A8YL.png)
pSB1A8YL
We realized that the name of the primer had been mixed up! Now that the right primers are used, we get excellent bands on our gel… Guess you have to make the stupid mistakes in the beginning? The gBlock containing the other part of the plasmid also arrived. This also gives excellent bands on the gel when amplifying it by PCR. Ran the first USER and transformed E. coli cells. The transformants were left on the bench over the weekend
![](https://static.igem.org/mediawiki/2016/7/79/T--DTU-Denmark--substrate.png)
Substrates
We have data from the first successful growth experiment. Starch, Xylose, Arabinose, Maltose and Lactose are not suitable for Y. lipolytica fermentation. This will be repeated next week to make sure. Waste glycerol from the industrial biodiesel producer Perstop is acquired.
Week 5 (June 27 - July 3)
Wetlab
![](https://static.igem.org/mediawiki/2016/a/ae/T--DTU-Denmark--moleculartools.png)
Molecular Toolbox
![](https://static.igem.org/mediawiki/2016/a/a7/T--DTU-Denmark--pex10.png)
CRISPR-Cas9 induced PEX10knockout
Received CRISPRyl plasmid (Addgene plasmid #70007). The procedure from Addgene was followed.
![](https://static.igem.org/mediawiki/2016/5/57/T--DTU-Denmark--ura3.png)
CRISPR-Cas9 induced URA3insertion
Successful amplification of URA3 + flanks from Y. lipolytica W29 genomic DNA. Because of low quality of the genomic DNA, the initial PCR product was taken for further amplification. Received CRISPRyl plasmid (Addgene plasmid #70007). The procedure from Addgene was followed.
![](https://static.igem.org/mediawiki/2016/a/ac/T--DTU-Denmark--pSB1A8YL.png)
pSB1A8YL
YES, colonies! colonies were picked and used for colony PCR, but it was not successful. We’ll just have to crank on! - Colonies from the same plates were re streaked and plasmids were purified from the resulting colonies. - Restriction analysis yielded weird bands. - This week passes restreaking colonies to yield pure colonies and trying to find the correct transformants through by purifying the plasmids and subjecting it to analytical digestion. So far no luck!
![](https://static.igem.org/mediawiki/2016/7/79/T--DTU-Denmark--substrate.png)
Substrates
Repeated positive results with growth on glucose, glycerol, fructose, sucrose and oil. Y. lipolytica should not be able to grow on sucrose. The experiments on starch, xylose, arabinose, Maltose and Lactose are still negative for Y. lipolytica. Waste glycerol from the industrial biodiesel producer Emmelev is acquired.
Compute
![](https://static.igem.org/mediawiki/2016/d/d8/T--DTU-Denmark--modeling.png)
Genome Scale Modeling
Planning of Genome-scale modelling strategies began, decided to attempt media optimization using phenotype phase plane, team starts to research and learn FBA for GSM.
![](https://static.igem.org/mediawiki/2016/1/1f/T--DTU-Denmark--software.png)
Software
Initiation of task by designing the workflow needed to achieve the final purpose of the software. Tasks agreed upon discussion : script in python , number and format proxy of the input files needed , restriction site implementation , development GUI, gui library for python (tkinter)
![](https://static.igem.org/mediawiki/2016/8/8d/T--DTU-Denmark--hardware.png)
Hardware
Still playing.
July
Week 7 (July 11 - July 17)
Wetlab
![](https://static.igem.org/mediawiki/2016/a/ae/T--DTU-Denmark--moleculartools.png)
Molecular Toolbox
![](https://static.igem.org/mediawiki/2016/a/a7/T--DTU-Denmark--pex10.png)
CRISPR-Cas9 induced PEX10knockout
The assembled CRISPRyl plasmid with PEX10 protospacers was transformed in competent E. coli DH5α cells. Purification of assembled CRISPRyl plasmid with Pex10 protospacers. The assembled CRISPRyl plasmid with PEX10 protospacers was digested with AvrII to test if the PEX10 protospacer was inserted. The digestion was successful and showed no cutting by AvrII indicating correct insertion of PEX10 protospacers. First attempt of transformation with CRISPRyl plasmid with PEX10 protospacers in Yarowia lipolytica PO1f Δku70. The transformation was unsuccessful. There was growth all over the plates.
![](https://static.igem.org/mediawiki/2016/5/57/T--DTU-Denmark--ura3.png)
CRISPR-Cas9 induced URA3insertion
Confirmation of successful Gibson assembly through restriction analysis. First (unsuccessful) transformation of pCRISPRyl and pCRISPRyl+sgRNAs into Yarowia lipolytica PO1f Δku70.
![](https://static.igem.org/mediawiki/2016/f/f1/T--DTU-Denmark--products.png)
Products
![](https://static.igem.org/mediawiki/2016/e/e2/T--DTU-Denmark--betacarotene.png)
Beta-Carotene
BioBricks BBa_K152005 (crtE,crtI,crtYB,gfp) and BBa_K530002 (crtI) were received from the registry. E. coli with BBa_K152005 could only grow without Ampicilin, so we suspect a problem with the AmpR backbone. We decided not to use this biobrick and instead only work with BBa_K530002, BBa_K530000 and BBa_K530001.
![](https://static.igem.org/mediawiki/2016/a/ad/T--DTU-Denmark--proinsulin.png)
Proinsulin
Designing and ordering synthetic gBlock from IDT encoding TEF1, proinsulin and GFP.
![](https://static.igem.org/mediawiki/2016/7/79/T--DTU-Denmark--substrate.png)
Substrates
Test shows no growth on samples of wastewater from areas contaminated with leftovers of organic molecules from fossil oil. Experiments with glycerol byproduct from Emmelev biodiesel production showed to be contaminated. We investigated where the contaminations could come from and a contaminated pipet seemed to be the source.
Compute
![](https://static.igem.org/mediawiki/2016/8/8d/T--DTU-Denmark--hardware.png)
Hardware
The library for our LCD Display is commented in Chinese. Shoutout to James for translating. Chris, our supervisor, brought us in contact with Martin and Erik, two professors from DTU Nano and Elektro. Our university is running a new project course in January where 1st semester students ferment their own cultures and build devices to monitor growth. They built a measuring chamber and a simple circuit, reading the voltage over the photodiode with a multimeter. Isn’t there a way to do all this using an Arduino? We set a meeting for next week. Reading about digital to analog conversion(DAC) and the reverse(ADC). Dimming LEDs in the office