Team:Warsaw/Wetlab

From 2012.igem.org

(Difference between revisions)

Latest revision as of 23:43, 26 September 2012

Warsaw Team

Week 1 (25.06-29.06)

We entered the lab and got the general idea of where things were and how we are going to work there. We had a talk with our instructors on how to divide the work, what we have to prepare first and what we will need in the future. We started off with locating two constructs with listeriolysin. We prepared the competent E. coli strains: TOP10 – 80 eppendorf tubes, BL21 – 40 eppendorf tubes, and MC1061 – 40 eppendorf tubes. We tried a control transformation of all three strains with 2 ul and 5 ul of DNA. We also prepared plates with ampicillin and retrieved GFP, RFP and YFP from the distribution plates. We also transformed TOP10 strain with the construct with listeriolysin (BioBrick BBa_K177026 and received transformant colonies. We also prepared a lot of plates with LB agar with and without antibiotics. After the transformation results we chose TOP10 for subsequent experiments, as the most effective E. coli strain.

Week 2 (2.07-6.07)

We tried our first PCR without template – since we didn’t know which concentration of primers will work best, we tried 3 ul and 5 ul, 10 ul Taq master mix and filled the tubes with nuclease-free water up to 20 ul. Gel electrophoresis of our PCR products showed we had products in both! We proved our new technique works! We had significantly more product where we used higher concentration of primers, so we used 5 ul of primers in our following PCRs.
One of our instructor conducted Clone Manager workshops. We learned how to use the software and how to create and modify DNA molecules, how to design primers for the existing ones and how to check restriction sites – e.g. which enzyme to use when. Thanks to that we could start preparing primers to produce our new parts (through PCR without template) – the promoter, RBSes and terminator for B. subtilis.

Week 3 (9.07-13.07)

A little more Clone Manager work, as well as ordering synthesis of our primers and waiting for their arrival in our lab!

Week 4 (16.07-20.07)

Our new primers finally arrived on our lab tables! We started off with ‘no template PCR’ synthesis of our new promoter and RBSes. We ran electrophoresis of these products, and guess what? Again we were successful! So we ran more ‘no template PCRs’ – this time more RBSes and terminator were synthesized. The next step was clean-up of our PCR products - we checked their concentrations on NanoDrop spectrophotometer. Despite the low concentration of our parts, we decided to digest the promoter and GFP with EcoRI+SpeI, RBSes and terminator with XbaI+PstI. Then we started ligation: promoter with RBSes and GFP with terminator. Thanks to our FastDigest enzymes, both the digestion and ligation lasted much shorter than normally – one hour. We also ran the ligation in 4 °C for longer periods like over night or even over weekend.

Week 5 (23.07-27.07)

We ran PCR on the template of products of ligation, to check whether everything went fine. Then we ran gel electrophoresis, which unfortunately showed nothing at all. We tried to repeat all the ligations. We also needed to run another set of PCRs to get some more of our parts. We decided to run standard PCR of our ligation products: e.g promoter+RBS (left primer of promoter and right of RBS)

Week 6 (30.07-3.08)

We checked the concentration of DNA in our ‘no template’ PCR products by spectrophotometry (NanoDrop), some of the concentrations were very satisfactory, some were still pretty low. We found another way to confirm the presence of our parts – digestion using enzymes cutting inside the sequence. Also this time Clone Manager was very helpful and digestion method turned out to be much more useful. Gel electrophoresis of reaction products helped us to confirm wheater ligation went fine.

Week 7 (6.08-10.08)

We cloned out parts on plasmid pJET from CloneJET Cloning Kit, to multiply our parts on a plasmid. We decided we need to make 100% sure if the sequence of our parts didn’t mutate somewhere along the way (during all the PCRs, digestions, ligations, cloning, transformation, and all), so we prepared samples of our parts with pJET primers and sent them to Oligo – a company sequencing DNA, which is also one of our sponsors. We prepared digestion of RBS, GFP and plasmids pSB1K3 and pSB1C3. Then of course ligation of our parts: RBS+GFP+pSB1C3 and RBS+pSB1K3 and TOP10 transformation. We isolated plasmids from cultures of transformants.

Week 8 (13.08-17.08)

We sent some more samples to sequencing and checked the concentration of the last week PCR products. Thanks to Kaja, we were able to run PCR of pCEP4 – a mammalian plasmid which contained oriP, but not in BioBrick format. We designed primers which would help us to eliminate illegal restriction site in the sequence. We also ran PCR to check whether our RBSes on pSB1K3 have correct sequence and set some more digestions and ligation of RBSes with pSB1C3, RBSes with pSB1K3, and RBS+GFP+pSB1C3. To check if our RBSes works in E. coli we also ligated them with promoter for this bacterium. Then we ran transformation of TOP10 strain of E.coli with our ligation products. We also ran PCR to confirm correctness of our ligation samples with Phusion polymerase. Unfortunately, after running electrophoresis, we had a very unpleasant smear on the gel, and we decided to repeat the PCR with Taq polymerase. Our freezer ran out of competent cells, so we prepared another set of E. coli TOP10 strain. This time we had 90 eppendorf tubes. Unfortunately, our pSB1K3 stock ended - we decided to cut it with XbaI and SpeI of a sample of RBS+pSB1K3, then ran electrophoresis and gelled out empty plasmid. We also ran another set of ‘no template PCRs’, this time with Phusion polymerase, as well as checked concentration of our today’s isolated plasmids on NanoDrop – they were pretty much satisfactory. We didn’t want to waste our time so we set digestion and ligation of RBSes+pSB1K3, promoter+pSB1C3, P+RBS+GFP+pSB1K3 and transformate ligation products on TOP10.< br clear="all" />

Week 9 (20.08-24.08)

Finally we could set incubation of Bacillus subtilis 168 cultures. We prepared isolation of our parts on the pJET plasmid and construction of RBS+GFP+pSB1C3 (digestion, ligation, transformation. We also set another PCR on pCEP4 to get oriP. Isolation of plasmids from the previous day and preparing them for sequencing. We also digested pTG262 (EcoRI+PstI) and P+RBS+GFP, ligated and transformated them to TOP10. And... our first transformation of B. subtilis!!! Unfortunately, we weren’t successful in this procedure. Then we continued constructing our parts – promoter + RBS + GFP + pSB1K3 and RBS + LLO + pSB1C3.

Week 10 (27.08-31.08)

Overnight cultures of the transformants resembled growth. None of the transformants with the LLO construct formed colonies – no growth – something is wrong with our construct! We tried repetition of the whole procedure of preparing this construct and transformation.
Next step – reviving BioBricks (mammalian RBSes from the distribution) J63003 and K165002, transformation and inoculation. We prepared overnight cultures for minipreparation of plasmid DNA, after this - digestion of the mammalian RBSes, pSB1C3 and RBS+GFP+pSB1C3. Ligation of mammalian RBSes+RFP+pSB1C3, then transformation and inoculation. Transformants with LLO didn’t grow up. We ran control digestion of the LLO part and electrophoresis to check what’s wrong. We also set PCR for pCEP4 – to get oriP and prepare electrophoresis of the reaction products.

Week 11 (3.09-7.09)

Thank you Edinburgh Team! We received pTG262 plasmid, so we could clone Bacillus constructs we aquired so far. But the first step was E. coli electroporation. After receiving colonies and plasmid isolation, we inoculated B. subtilis 168 to prepare competent cells. We tried to transform them with pUB110 (control) and pTG262.

Great thanks also to Slovenia Team - we got CMV promoter, which we can add to our mammalian construct! This week, we also inoculated SuperFolder GFP construct. PCR problems on pCEP4 template made us design new primers. We digested all previous constructs and preparated a full one – ligation P+RBS+GFP+pSB1C3, subsequently transformation and inoculation. Electrophoresis of digestions proved wrong placements of inserts.

Week 12 (10.09-14.09)

We made isolation of plasmid DNA P+RBS+GFP+pSB1C3, NanoDrop measuring of DNA concentration and prepared samples for sequencing. Then we digested P+RBS+GFP+pSB1C3 construct and ran electrophoresis to check the placement of the insert. PCR of pCEP4 – we set some changes in gradient annealing temperatures. Digestion of all our parts in the purpose of ligation into pSB1A3 and pSB1C3 and transform TOP10 with it.

Week 13 (17.09-21.09)

Putting the final constructs together! Last preparations before shipping our parts to Boston!

Week 14 (24.09-28.09)

Wiki!

Retrieved from "http://2012.igem.org/Team:Warsaw/Wetlab"

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-                 <li rel="notebook"><a href="https://2012.igem.org/Team:Warsaw/Wetlab#notebook" >NOTEBOOK</a></li>
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-   <b> Week 1 (25.06-29.06)</b><hr /><br clear="all" />
+<big><b> Week 1 (25.06-29.06)</b></big><hr /><br clear="all" />
-<b>Monday:</b><br /><br clear="all" /> We entered the lab and got the general idea of where things were and how we are going to work there. We had a talk with our instructors on how to divide the work, what we have to prepare first and what we will need in the future. We started off with locating two constructs with listeriolysin.<br /><br clear="all" />
+<br /><br clear="all" /> We entered the lab and got the general idea of where things were and how we are going to work there. We had a talk with our instructors on how to divide the work, what we have to prepare first and what we will need in the future. We started off with locating two constructs with listeriolysin. We prepared the competent <i>E. coli</i> strains: TOP10 – 80 eppendorf tubes, BL21 – 40 eppendorf tubes, and MC1061 – 40 eppendorf tubes. We tried a control transformation of all three strains with 2 ul and 5 ul of DNA. We also prepared plates with ampicillin and retrieved GFP, RFP and YFP from the distribution plates. We also transformed TOP10 strain with the construct with listeriolysin (<a href="http://partsregistry.org/Part:BBa_K177026">BioBrick BBa_K177026</a> and received transformant colonies. We also prepared a lot of plates with LB agar with and without antibiotics. After the transformation results we chose TOP10 for subsequent experiments, as the most effective <i>E. coli</i> strain. <br clear="all" />
-<b>Tuesday:</b><br /><br clear="all" /> As an introduction to the wetlab work, we prepared the competent <i>E. coli</i> strains: TOP10 – 80 eppendorfs, BL1 – 40 eppendorfs, and MC1061 – 40 eppendorfs.<br clear="all" />
+<br /><br /><br /><br />
-We tried a control transformation of all three strains: TOP10, BL21, and MC1061 with 2 ul of DNA. <br /><br clear="all" />
+<big><b>Week 2 (2.07-6.07)</b></big><hr /><br /><br clear="all" />
-We also prepared plates with ampicillin and retrieved GFP, RFP and YFP from the distribution plates.<br /><br clear="all" />
+We tried our first PCR without template – since we didn’t know which concentration of primers will work best, we tried 3 ul and 5 ul, 10 ul Taq master mix and filled the tubes with nuclease-free water up to 20 ul. Gel electrophoresis of our PCR products showed we had products in both! We proved our new technique works! We had significantly more product where we used higher concentration of primers, so we used 5 ul of primers in our following PCRs.
+<br />One of our instructor conducted Clone Manager workshops. We learned how to use the software and how to create and modify DNA molecules, how to design primers for the existing ones and how to check restriction sites – e.g. which enzyme to use when. Thanks to that we could start preparing primers to produce our new parts (through PCR without template) – the promoter, RBSes and terminator for <i>B. subtilis</i>.<br /><br clear="all" />
-<b>Wednesday:</b><br /><br clear="all" /> Again, we transformed TOP10, BL21, and MC1061 strains of competent <i>E. coli</i>, this time with 5 ul of DNA each.<br /><br clear="all" />
-We transformed TOP10 strain with the construct with lysteriolysin, as well as prepared overnight cultures for MIC calculation. We also prepared plates with LB agar.<br /><br clear="all" />
-<b>Thursday:</b><br /><br clear="all" /> MIC calculations. <br /><br clear="all" />
-<b>Friday:</b><br /><br clear="all" /> Bacteria transformed with listeriolysin construct formed colonies – overnight cultures prepared.
-<br clear="all" /><br /><br /><br />
-<b>Week 2 (2.07-6.07)</b><hr /><br /><br clear="all" />
-<b>Monday:</b><br /><br clear="all" /> We tried our first PCR without template – since we didn’t know which concentration of primers will work best, we tried 3 ul and 5 ul.<br /><br clear="all" />
-Total volume: 20 ul<br /><br clear="all" />
-Taq mastermix: 10 ul<br /><br clear="all" />
-Primers: 5 ul each and 3 ul each (+4 ul nuclease free water)<br /><br clear="all" />
-<b>Tuesday:</b><br /><br clear="all" /> Electrophoresis of our PCR products: we had products in both! We proved our new technique works! We had significantly more product where we used higher concentration of primers, so we used 5 ul of primers in our following PCRs.<br /><br clear="all" />
-<b>Wednesday:</b><br /><br clear="all" /> One of our instructor conducted Clone Manager workshops. We learned how to use the software and how to create and modify DNA molecules, how to design primers for the existing ones and how to check restriction sites – e.g. which enzyme to use when.<br /> <br clear="all" />
-<b>Thursday & Friday:</b><br /><br clear="all" /> Clone Manager work! Preparing primers to produce our new parts (through PCR without template of course) – promoter, RBSes and terminator for <i>B. subtilis</i>.<br /><br clear="all" />
 <br /><br /><br />
-<b>Week 3 (9.07-13.07)</b><hr /><br /><br clear="all" />
+<big><b>Week 3 (9.07-13.07)</b></big><hr /><br /><br clear="all" />
 A little more Clone Manager work, as well as ordering synthesis of our primers and waiting for their arrival in our lab!<br /><br clear="all" />
 <br /><br /><br />
-<b>Week 4 (16.07-20.07)</b><hr /><br /><br clear="all" />
+<big><b>Week 4 (16.07-20.07)</b></big><hr /><br /><br clear="all" />
-<b>Tuesday:</b><br /><br clear="all" /> Our new primers finally arrived on our lab tables! We start off with ‘no template PCR’ of our new promoter and RBS.<br /><br clear="all" />
+Our new primers finally arrived on our lab tables! We started off with ‘no template PCR’ synthesis of our new promoter and RBSes. We ran electrophoresis of these products, and guess what? Again we were successful! So we ran more ‘no template PCRs’ – this time more RBSes and terminator were synthesized. The next step was clean-up of our PCR products - we checked their concentrations on NanoDrop spectrophotometer. Despite the low concentration of our parts, we decided to digest the promoter and GFP with EcoRI+SpeI, RBSes and terminator with XbaI+PstI. Then we started ligation: promoter with RBSes and GFP with terminator. Thanks to our FastDigest enzymes, both the digestion and ligation lasted much shorter than normally – one hour. We also ran the ligation in 4 °C for longer periods like over night or even over weekend.<br /><br clear="all" />
-<b>Wednesday:</b><br /><br clear="all" /> We ran electrophoresis of yesterday’s PCR products, and guess what? Again we were successful!<br clear="all" />
-So we ran more ‘no template PCRs’ – this time more RBSes and terminator.<br /><br clear="all" />
-<b>Thursday:</b><br /><br clear="all" /> We ran clean up of our PCR products, and checked their concentrations on NanoDrop spectrophotometer – the results were not that good, the concentrations were not high.<br clear="all" />
-<b>Friday:</b><br clear="all" /> Despite the low concentration of our parts, we decided to digest the promoter and GFP with EcoRI+SpeI, RBSes and terminator with XbaI+PstI<br /><br clear="all" />
-Then we started ligation: promoter with RBSes and GFP with terminator. Thanks to our FastDigest enzymes, both the digestion and ligation lasted much shorter than normally – one hour. We also ran the ligation in 4 °C for longer periods like over night or even over weekend.<br /><br clear="all" />
 <br /><br /><br />
-<b>Week 5 (23.07-27.07)</b><hr /><br /><br clear="all" />
+<big><b>Week 5 (23.07-27.07)</b></big><hr /><br /><br clear="all" />
-<b>Monday:</b><br /><br clear="all" /> We ran electrophoresis of the products of ligation, to check whether everything went fine. <br /><br clear="all" />
+We ran PCR on the template of products of ligation, to check whether everything went fine. Then we ran gel electrophoresis, which unfortunately showed nothing at all. We tried to repeat all the ligations. We also needed to run another set of PCRs to get some more of our parts. We decided to run standard PCR of our ligation products: e.g promoter+RBS (left primer of promoter and right of RBS)<br /><br clear="all" />
-<b>Tuesday:</b><br /><br clear="all" /> We ran another set of PCRs to get some more of our parts.<br /><br clear="all" />
-<b>Wednesday:</b><br /><br clear="all" /> We repeated ligation of our parts – the promoter with RBS.<br /><br clear="all" />
-<b>Thursday:</b><br /><br clear="all" /> We decided to run standard PCR of our ligation products: e.g promoter+RBS (left primer of promoter and right of RBS)<br /><br clear="all" />
-<b>Friday:</b><br /><br clear="all" /> another day of running PCRs (this time with template).<br clear="all" />
 <br /><br /><br />
-<b>Week 6 (30.07-3.08)</b><hr><br /><br clear="all" />
+<big><b>Week 6 (30.07-3.08)</b></big><hr><br /><br clear="all" />
-<b>Monday and Tuesday:</b><br /><br clear="all" /> We checked the concentration of DNA in our PCR products by spectrophotometry (NanoDrop), some of the concentrations were very satisfactory, some were still pretty low.<br /><br clear="all" />
+We checked the concentration of DNA in our ‘no template’ PCR products by spectrophotometry (NanoDrop), some of the concentrations were very satisfactory, some were still pretty low. We found another way to confirm the presence of our parts – digestion using enzymes cutting inside the sequence. Also this time Clone Manager was very helpful and digestion method turned out to be much more useful. Gel electrophoresis of reaction products helped us to confirm wheater ligation went fine.
-<b>Wednesday:</b><br /><br clear="all" /> Digesting and electrophoresis to check how the ligation went on. Then more Clone Manager work!<br /><br clear="all" />
-<br /><br /><br />
+<br /><br /><br /><br />
-<b>Week 7 (6.08-10.08)</b><hr /><br /><br clear="all" />
+<big><b>Week 7 (6.08-10.08)</b></big><hr /><br /><br clear="all" />
-<b>Monday:</b><br /><br clear="all" /> Electrophoresis and pJET cloning, to multiply our parts on a plasmid. <br /><br clear="all" />
+We cloned out parts on plasmid pJET from CloneJET Cloning Kit, to multiply our parts on a plasmid. We decided we need to make 100% sure if the sequence of our parts didn’t mutate somewhere along the way (during all the PCRs, digestions, ligations, cloning, transformation, and all), so we prepared samples of our parts with pJET primers and sent them to Oligo – a company sequencing DNA, which is also one of our sponsors. We prepared digestion of RBS, GFP and plasmids pSB1K3 and pSB1C3. Then of course ligation of our parts: RBS+GFP+pSB1C3 and RBS+pSB1K3 and TOP10 transformation. We isolated plasmids from cultures of transformants. <br /><br clear="all" />
-<b>Tuesday:</b><br /><br clear="all" /> We decided we need to make 100% sure if the sequence of our parts didn’t mutate somewhere along the way (during all the PCRs, digestions, ligations, cloning, transformation, and all), so we prepared samples of our parts with pJET primers and sent them to Oligo – company sequencing DNA, which is also one of our sponsors.<br /><br clear="all" />
-<b>Wednesday:</b><br /><br clear="all" /> Digestion of RBS, GFP and plasmids pSB1K3 and pSB1C3. Then of course ligation of our parts: RBS+GFP+pSB1C3 and RBS+pSB1K3. Then TOP10 transformation.<br /><br clear="all" />
-<b>Thursday:</b><br /><br clear="all" /> Overnight cultures of our transformants. No template PCR of our promoter. <br /><br clear="all" />
-<b>Friday:</b><br /><br clear="all" /> Isolation of plasmids ligated on Wednesday (RBS+pSB1K3 and RBS+GFP+pSB1C3)<br /><br clear="all" />
 <br /><br /><br />
-<b>Week 8 (13.08-17.08)</b><hr /><br /><br clear="all" />
+<big><b>Week 8 (13.08-17.08)</b></big><hr /><br /><br clear="all" />
-<b>Monday:</b><br clear="all" /> We sent some more samples to sequencing. We also checked the concentration of the PCR product from Thursday (on NanoDrop).<br /><br clear="all" />
+We sent some more samples to sequencing and checked the concentration of the last week PCR products. Thanks to Kaja, we were able to run PCR of pCEP4 – a mammalian plasmid which contained oriP, but not in BioBrick format. We designed primers which would help us to eliminate illegal restriction site in the sequence. We also ran PCR to check whether our RBSes on pSB1K3 have correct sequence and set some more digestions and ligation of RBSes with pSB1C3, RBSes with pSB1K3, and RBS+GFP+pSB1C3. To check if our RBSes works in <i>E. coli</i> we also ligated them with promoter for this bacterium. Then we ran transformation of TOP10 strain of <i>E.coli</i> with our ligation products. We also ran PCR to confirm correctness of our ligation samples with Phusion polymerase. Unfortunately, after running electrophoresis, we had a very unpleasant smear on the gel, and we decided to repeat the PCR with Taq polymerase. Our freezer ran out of competent cells, so we prepared another set of <i>E. coli</i> TOP10 strain. This time we had 90 eppendorf tubes. Unfortunately, our pSB1K3 stock ended - we decided to cut it with XbaI and SpeI of a sample of RBS+pSB1K3, then ran electrophoresis and gelled out empty plasmid. We also ran another set of ‘no template PCRs’, this time with Phusion polymerase, as well as checked concentration of our today’s isolated plasmids on NanoDrop – they were pretty much satisfactory. We didn’t want to waste our time so we set digestion and ligation of RBSes+pSB1K3, promoter+pSB1C3, P+RBS+GFP+pSB1K3 and transformate ligation products on TOP10.< br clear="all" />
-Also, overnight digestions of RBS and pSB1K3 were set.<br /><br clear="all" />
-<b>Tuesday:</b><br clear="all" /> We ran PCR of pCEP – a mammalian plasmid which contained oriP, but not in BioBrick format. We designed primers which would help us to eliminate illegal restriction site in the sequence.
-We also ran PCR to check whether our RBS on pSB1K3 has a correct sequence.<br /><br clear="all" />
-Some more digestions: RBS – EcoRi+PstI, RBS – EcoRI+SpeI, pSB1C3&pSB1K3 – EcoRI+PstI, GFP – XbaI+PstI. Then we ligated RBS with pSB1C3, RBS with pSB1K3, and RBS+GFP+pSB1C3. Then we ran transformation of TOP10 strain of E.coli with our ligation products.<br /><br clear="all" />
-<b>Wednesday:</b><br /><br clear="all" /> We prepared overnight cultures of the ligation products we transformed on Tuesday.
-Then, we ran PCR to confirm correctness of our ligation samples with Phusion polymerase. Unfortunately, after running electrophoresis, we had a very unpleasant smear on the gel, and we decided to repeat the PCR with Taq polymerase.<br /><br clear="all" />
-We also prepared another set of competent <i>E. coli</i> – TOP10 strain. This time we had 90 eppendorfs.<br /><br clear="all" />
-<b>Thursday:</b><br /><br clear="all" /> Isolation of Tuesday’s ligation products.
-Our pSB1K3 stock ended. So we decided to cut it with XbaI and SpeI of a sample of RBS+pSB1K3, then run electrophoresis and gel out empty plasmid, and then run autoligation and transformation.<br /><br clear="all" />
-We also ran another set of ‘no template PCRs’, this time with Phusion polymerase, as well as checked concentration of our today’s isolated plasmids on NanoDrop – they were pretty much satisfactory.<br clear="all" />
-<b>Friday:</b><br />v<br clear="all" /> Digestion and ligation of RBSes+pSB1K3, P+pSB1C3, P+RBS+GFP+pSB1K3. Transformation on TOP10.<br /><br clear="all" />
-We ran electrophoresis with yesterday’s isolated plasmids to check to presence of our input.<br clear="all" />
-<br /><br /><br />
+<br /><br /><br /><br />
-<b>Week 9 (20.08-24.08)</b><hr /><br /><br clear="all" /><br clear="all" />
+<big><b>Week 9 (20.08-24.08)</b></big><hr /><br /><br clear="all" />
-<b>Monday:</b><br /><br clear="all" /> We cloned our parts on pJET plasmid using pJET cloning kit and prepared overnight cultures of Friday’s transformation.<br /><br clear="all" />
+Finally we could set incubation of <i>Bacillus subtilis</i> 168 cultures. We prepared isolation of our parts on the pJET plasmid and construction of RBS+GFP+pSB1C3 (digestion, ligation, transformation. We also set another PCR on pCEP4 to get oriP. Isolation of plasmids from the previous day and preparing them for sequencing. We also digested pTG262 (EcoRI+PstI) and P+RBS+GFP, ligated and transformated them to TOP10. And... our first transformation of <i>B. subtilis</i>!!! Unfortunately, we weren’t successful in this procedure. Then we continued constructing our parts – promoter + RBS + GFP + pSB1K3 and RBS + LLO + pSB1C3.
-Overnight <i>Bacillus subtilis</> cultures.<br /><br clear="all" />
-<b>Tuesday:</b><br /><br clear="all" /> <i>Bacillus</i> cultures didn’t grow up. We decided to leave them for longer. Isolation of the pJET plasmids that were transformed yesterday. Construction of plasmid: RBS+GFP+pSB1C3 (digestion, ligation, transformation).<br /><br clear="all" />
-Checking concentration of isolated plasmids on NanoDrop.<br /><br clear="all" />
-PCR on pCEP to get oriP.<br /><br clear="all" />
-Deep freeze of <i>Bacillus</i> cultures.<br /><br clear="all" />
-<b>Wednesday:</b><hr /><br /><br clear="all" /> Isolation of plasmids from the previous day and preparing them for sequencing. Overnight cultures of RBS+GFP+pSB1C3. Digestion of pTG262 (EcoRI+PstI) and P+RBS+GFP, ligation and transformation. NanoDrop checking of concentration of isolated plasmids.<br /><br clear="all" />
-<b>Thursday:</b><br /><br clear="all" /> Transformation of <i>B. subtilis</i>.<br /><br clear="all" />
-Isolation of plasmid DNA from the previous day’s overnight cultures, then checking the concentration on NanoDrop.<br /><br clear="all" />
-Digestion of promoter, RBS+GFP, pSB1K3 – then overnight digestion of constructs P+RBS+GFP+pSB1K3.<br /><br clear="all" />
-Creation of LLO construct: digestion: RBS, LLO, pSB1C3. Inoculation of transformants from the previous day. Ligation and transformation of constructs: RBS+GFP+pSB1C3.<br />
 <br clear="all" />
 <br /><br /><br />
-<b>Week 10 (27.08-31.08)</b><hr /><br /><br clear="all" />
+<big><b>Week 10 (27.08-31.08)</b></big><hr /><br /><br clear="all" />
-<b>Monday:</b><br /><br clear="all" /> Overnight cultures of the transformants which resembled growth. None of the transformants with the LLO construct formed colonies – no growth – something is wrong with our construct!<br /><br clear="all" />
+Overnight cultures of the transformants resembled growth. None of the transformants with the LLO construct formed colonies – no growth – something is wrong with our construct! We tried repetition of the whole procedure of preparing this construct and transformation.
-Repetition of the whole procedure of preparing the LLO construct and transformation.<br /><br clear="all" />
+<br />Next step – reviving BioBricks (mammalian RBSes from the distribution) J63003 and K165002, transformation and inoculation. We prepared overnight cultures for minipreparation of plasmid DNA, after this - digestion of the mammalian RBSes, pSB1C3 and RBS+GFP+pSB1C3. Ligation of mammalian RBSes+RFP+pSB1C3, then transformation and inoculation.
-Reviving of BioBricks (mammalian RBSes from the distribution) J63003 and K165002, transformation and inoculation.
+Transformants with LLO didn’t grow up. We ran control digestion of the LLO part and electrophoresis to check what’s wrong. We also set PCR for pCEP4 – to get oriP and prepare electrophoresis of the reaction products.
-PCR for pCEP – to get oriP.<br /><br clear="all" />
-<b>Tuesday:</b><br /><br clear="all" /> Isolation of the plasmid DNA from last day’s overnight cultures. Preparing overnight cultures of the mammalian RBSes.<br /><br clear="all" />
-Transformants with LLO didn’t grow up. Control digestion of the LLO part and electrophoresis to check what’s wrong. Also electrophoresis of the PCR products.<br /><br clear="all" />
-<b>Wednesday:</b><br /><br clear="all" /> Isolation of the plasmids with mammalian RBSes. <br /><br clear="all" />
-Digestion of the mammalian RBSes, pSB1C3 and RBS+GFP+pSB1C3.<br /><br clear="all" />
-Ligation of mammalian RBSes+RFP+pSB1C3, then transformation and inoculation. We also ran out of stock of pSB1C3, and so we digested it with XbaI+SpeI to run autoligation and transformation.<br /><br clear="all" />
-<b>Thursday:</b><br clear="all" /> Overnight batch cultures of transformants from the previous day. <br clear="all" />
-<b>Friday:</b><br /><br clear="all" /> Isolation of plasmid DNA from yesterday’s batch cultures and NanoDrop checking the DNA concentration.<br />
 <br clear="all" />
-<br /><br /><br />
+<br /><br /><br /><br />
-<b>Week 11 (3.09-7.09)</b><hr /><br /><br clear="all" />
+<big><b>Week 11 (3.09-7.09)</b></big><hr /><br /><br clear="all" />
-<b>Monday:</b><br /><br clear="all" /> Inoculation of SuperFolder GFP.<br /><br clear="all" />
+Thank you Edinburgh Team! We received pTG262 plasmid, so we could clone <i>Bacillus</i>  constructs we aquired so far. But the first step was <i>E. coli</i> electroporation. After receiving colonies and plasmid isolation, we inoculated <i>B. subtilis</i> 168  to prepare competent cells. We tried to transform them with pUB110 (control) and pTG262.
-<b>Tuesday:</b><br /><br clear="all" /> Isolation of plasmid DNA from last day’s cultures. DNA concertation check.<br /><br clear="all" />
+<br /><br />Great thanks also to Slovenia Team - we got CMV promoter, which we can add to our mammalian construct!
-Electrotransformation of pTG262 into E. coli. Preparation of overnight culture of Bacillus subtilis for the next day transformation. We also ran PCR on pCep with a new pair of primers.<br /><br clear="all" />
+This week, we also inoculated SuperFolder GFP construct. PCR problems on pCEP4 template made us design new primers. We digested all previous constructs and preparated a full one – ligation P+RBS+GFP+pSB1C3, subsequently transformation and inoculation. Electrophoresis of digestions proved wrong placements of inserts.
-<b>Wednesday:</b><br /><br clear="all" /> Control digestion of constructs and electrophoresis to assure our parts are correct.<br /><br clear="all" />
-Transformation of B. subtilis with pUB110 (control) and pTG262.<br /><br clear="all" />
-<b>Thursday:</b><br /><br clear="all" /> Isolation of pTG262 from E. coli. Then we transformed B. subtilis with pTG262 islotated from E. coli.<br /><br clear="all" />
-Digestion of all previous constructs and preparation of a full construct – ligation P+RBS+GFP+pSB1C3, subsequently transformation and inoculation.<br /><br clear="all" />
-<b>Friday:</b><br /><br clear="all" /> Electrophoresis of digestions from the previous day – wrong placements of inserts. Inoculation of transformants for overnight culture. Transformation of pTG262 into E. coli TOP10, incubation during the weekend.<br /><br clear="all" />
-<br /><br /><br />
-<b>Week 12 (10.09-14.09)</b><hr /><br />
+<br /><br /><br /><br />
+<big><b>Week 12 (10.09-14.09)</b></big><hr /><br />
 <br clear="all" />
-<b>Monday:</b><br /><br clear="all" /> Isolation of plasmid DNA from 7th Sept. NanoDrop measuring of DNA concentration. Then preparation of samples for sequencing. Then we digested P+RBS+GFP+pSB1C3 construct and ran electrophoresis to check the placement of the insert.<br /><br clear="all" />
+We made isolation of plasmid DNA P+RBS+GFP+pSB1C3, NanoDrop measuring of DNA concentration and prepared samples for sequencing. Then we digested P+RBS+GFP+pSB1C3 construct and ran electrophoresis to check the placement of the insert. PCR of pCEP4 – we set some changes in gradient annealing temperatures. Digestion of all our parts in the purpose of ligation into pSB1A3 and pSB1C3 and transform TOP10 with it.
-<b>Tuesday:</b><br /><br clear="all" /> Gel-out digestions from the previous day.<br /><br clear="all" />
-<b>Wednesday:</b><br /><br clear="all" /> PCR pCep – changes in gradient annealing temperatures.<br /><br clear="all" />
-Digestion of all our parts, ligation into pSB1A3 and pSB1C3, overnight ligation.<br /><br clear="all" />
-<b>Thursday:</b><br /><br clear="all" /> Preparation of samples for DNA sequencing.<br /><br clear="all" />
-Digestion of our parts, ligation  and transformation.<br /><br clear="all" />
-<b>Friday:</b><br /><br clear="all" /> Isolation and clean up of the plasmid DNA from the previous day. <br /><br clear="all" />
-<br /><br /><br />
+<br /><br /><br /><br />
-<b>Week 13 (17.09-21.09)</b><hr /><br /><br clear="all" />
+<big><b>Week 13 (17.09-21.09)</b></big><hr /><br /><br clear="all" />
-Putting the final constructs together! Last preparations before shipping our parts to Boston!<br /><br clear="all" />
+Putting the final constructs together! Last preparations before shipping our parts to Boston!<br clear="all" />
 <br /><br /><br />
-<b>Week 14 (24.09-28.09)</b><hr /><br /><br clear="all" />
+<big><b>Week 14 (24.09-28.09)</b></big><hr /><br clear="all" />
 Wiki!<br /><br clear="all" />
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-<br clear="all" /><br clear="all" />
-. If he give a cultivated corn-field or a cultivated sesame-field, the corn or sesame in the field shall belong to the owner of the field, and he shall return the money to the merchant as rent. <br clear="all" />
-. If he have no money to repay, then he shall pay in corn or sesame in place of the money as rent for what he received from the merchant, according to the royal tariff. <br clear="all" />
-. If the cultivator do not plant corn or sesame in the field, the debtor's contract is not weakened. <br clear="all" />
-. If any one be too lazy to keep his dam in proper condition, and does not so keep it; if then the dam break and all the fields be flooded, then shall he in whose dam the break occurred be sold for money, and the money shall replace the corn which he has caused to be ruined. <br clear="all" />
-. If he be not able to replace the corn, then he and his possessions shall be divided among the farmers whose corn he has flooded. <br clear="all" />
-. If any one open his ditches to water his crop, but is careless, and the water flood the field of his neighbor, then he shall pay his neighbor corn for his loss. <br clear="all" />
-. If a man let in the water, and the water overflow the plantation of his neighbor, he shall pay ten gur of corn for every ten gan of land. <br clear="all" />
-. If a shepherd, without the permission of the owner of the field, and without the knowledge of the owner of the sheep, lets the sheep into a field to graze, then the owner of the field shall harvest his crop, and the shepherd, who had pastured his flock there without permission of the owner of the field, shall pay to the owner twenty gur of corn for every ten gan. <br clear="all" />
-. If after the flocks have left the pasture and been shut up in the common fold at the city gate, any shepherd let them into a field and they graze there, this shepherd shall take possession of the field which he has allowed to be grazed on, and at the harvest he must pay sixty gur of corn for every ten gan. <br clear="all" />
-. If any man, without the knowledge of the owner of a garden, fell a tree in a garden he shall pay half a mina in money. <br clear="all" />
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-<br clear="all" /><br clear="all" />
-. If the gardener has not completed the planting of the field, leaving one part unused, this shall be assigned to him as his. <br clear="all" />
-. If he do not plant the field that was given over to him as a garden, if it be arable land (for corn or sesame) the gardener shall pay the owner the produce of the field for the years that he let it lie fallow, according to the product of neighboring fields, put the field in arable condition and return it to its owner. <br clear="all" />
-. If he transform waste land into arable fields and return it to its owner, the latter shall pay him for one year ten gur for ten gan. <br clear="all" />
-. If any one hand over his garden to a gardener to work, the gardener shall pay to its owner two-thirds of the produce of the garden, for so long as he has it in possession, and the other third shall he keep. <br clear="all" />
-. If the gardener do not work in the garden and the product fall off, the gardener shall pay in proportion to other neighboring gardens. <br clear="all" />
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-=== Part 2 ===
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