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Team:Johns Hopkins/Notebook
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Revision as of 02:09, 29 October 2008
Contents |
Groups
iGEM Groups 1.0
iGEM Groups 2.01
iGEM Groups 2.02
Important reminders and notes
[Make general comments here, so they don't get lost in peoples e-mail boxes]
July 11: Primers for group 1 were delivered yesterday.
July 11: Lab meeting at 7:30PM in the lab to go over miniprep protocol.
July 15: Lab meeting at 6:30PM with Jessica. Have status reports ready.
Bring labtop if you can.
July 17: Restriction Digest/Sequencing Preparation (with James) 6:00PM.
July 21: 6:00PM or 6:30PM Lab meeting with Jessica. Have status reports ready.
July 29: 7:00PM Lab Meeting. Meet in Conference Room across from lab. Have Status Reports ready
Aug. 05: 7:00PM Lab Meeting. Meet in Conference Room across from lab. Have Status Reports ready.
Aug. 12: 7:00PM Lab Meeting. Have Status Reports Ready.
Journal Club Topic: Fluorescent Proteins; James and Ingrid.
Aug. 19: 7:00PM Lab Meeting. Have Status Reports Ready.
Journal Club Topic: Yeast Mating Pathway/MAP Kinase Pathway ; Jasper and Tejas
Aug. 26: 7:00PM Lab Meeting. Have Status Reports Ready!
Journal Club Topic: S. cerevisiae Promoters; Allison and Nate
EVERY TUESDAY 7 PM LAB MEETING! Mudd 120
September: Do well in classes. Do what you can for the team when you can.
October: Do well on midterms. Good Luck!!
Oct. 28, 2008: 7:00 PM Lab Meeting,
REALLY IMPORTANT LAB MEETING. SHOW UP. BRING SUMMARIES.
BE PREPARAED FOR A LONG NIGHT OF PREPARATION.
Journal Club
8/12/08:Fluorescent Proteins- Ingrid and James
Fluorescent Protein Powerpoint , Paper: Green Fluorescent Protein as a Marker for Gene Expression
8/19/08: Yeast Mating Pathway/MAP Kinase Pathway- Jasper and Tejas
MAP Kinase Powerpoint , Paper: Map Kinase Scaffold
8/26/08: Yeast Promoters- Allison and Nate
Gene structure powerpoint
Paper:
Genomic Footprinting of the Promoter Regions of STE2 and STE3 genes in the Yeast Saccharomyces cerevisiae
Additional Reading:
Interspecies variation reveals a conserved repressor of alpha-specific genes in Saccharomyces yeast
A genomic code for nucleosome positioning
09/09/08: Yeast as a model organism- Ambhi and Raghav
Yeast as a model organism (Ppt presentation)
Papers:
Functional characterization of the S. cerevisiae genome by gene deletion and parallel analysis
The original Yeast two hybrid paper
Data
To upload data, go [http://www.jhu.edu/iGEM/X_files/Read2.html here], click on [http://www.jhu.edu/iGEM/X_files/Read2.html upload data], and provide the necessary information and results.
How to submit data:
1. log-in as you once had to from the www.jhu.edu/iGEM website "login"
- User: ****** etc...
- Pass: ***** etc...
2. click on UPLOAD DATA from the 'x-files page'
3. add data etc.... and click submit: This generates a webpage and the URL to it is linked in the page you are directed to after you press submit. Copy that URL and past it into the wiki or into the web-browser url box to see what it looks like.
\* If you find that the picture you are uploading is not showing up e-mail Tejas.
Alternatively, you can also just upload files directly to the iGEM wiki. Either way is fine.
Status Reports
The status reports of each group below were continuously updated as we worked on the biobricks. Click on the name of each group to find past status reports throughout the sex detector project.
To learn more about each biobrick, please refer to the Biobrick page.
GROUP 1: Fluorescent Proteins
Summary for Fluorescent Proteins Group
Date: Oct 19, 2008 Status report by: Tejas Part no.: BBa_K110017 -> BBa_K110023 Part Description: yESapphire , mCherry, venusYFP, and Citrine
Work on YFP has progressed, though the biobrick system is giving diffiulty in obtaining a useful construct. Moreover, the YFP sequence may not fully match the expected sequence. However, fluoroescent proteins (yeast optimized) sent us as STABS from MIT are showing promise, and may be ready for some use by the Jamboree date if all goes well. Work will continue on venusYFP and mCherry (though mCherry unfortunately contains a restriction site). Sapphire must be started over sue to technical difficulties getting a clone.
GROUP 2: MATa Specific-promoters
Summary for MATa Specific Promoters Group
We were able to produce sequence-verified clones of BBa_K110008 and BBa_K110016: http://partsregistry.org/cgi/partsdb/pgroup.cgi?pgroup=iGEM2008&group=Johns_Hopkins .
GROUP 3: Short Two-Way Stops
GROUP 4: Long Two-Way Stops & MAT(alpha) Specific Promotors
Summary for Long Two-Way Stops & MAT(alpha) Specific Promoters Group
Date: July 29, 2008 Status report by: Jaime Part no.: BBa_K110001, BBa_K110003, BBa_K110005, BBa_K110006 Part Description: Long Two-way Stops & Mat(alpha) specific promotors [http://www.jhu.edu/iGEM/Group4:LongTwo-wayStopsANDMATalphaSpecificPromoters/2008-7-25.Restriction%20Enzyme%20Digest%20of%20Mini-Preps.Jaime.html Restriction Enzyme Digest of Mini-Preps] Summary here: Need to be sequenced.
GROUP 5: MATa Specific Promoters II
Summary for MATa Specific Promoters II Group
Date: August 12, 2008 Status report by: Richard Group Part no.: BBa_K110009 Part Description: Ste2 Summary here: We hit a dead end when we ran out of the miniprep DNA. We are going to have to start again from scratch I suppose. Part no.: BBa_K110015 Part Description: Mfa1 Summary here: Same place as on Ste2.
GROUP 6: Vectors
Summary for Vectors Group
Date: July 31, 2008 Status report by: Tejas Part no.: BBa_K1100XX -> BBa_K1100YY Part Description: Vectors for concatenating and executing BioBricks The vectors to be used were delivered to us in STABS from MIT. They are pSB4A5 (amp), pSB4C5 (cam), pSB3K5 (kan), and pSB4K5 (kan). The vectors come pre-inserted with the ccdB gene, preventing growth in all E. coli strains except DB3.1. Total amount of DNA extracted from mini -prep is estimated between 5 to 20 ug per vector. Restriction digests confirmed the extracted DNA was vectors.([http://www.jhu.edu/iGEM/Group6:Vectors/2008-7-24.Vectors%20(CAM,AMP,KAN3,KAN4)%20after%20Digest.Tejas.html Digestion of all four vectors]). Vectors were transformed into JM109, BB#2198 (DB3.1), and BB#5777 (DB3.1). All gave expected results. 1 ug of each vector was digested for future use. Gel of digestion shows DNA is correct. ([http://www.jhu.edu/iGEM/Group6:Vectors/2008-8-12.Digest%20of%20vectors,%20ready%20for%20distribution.Tejas.html Vectors ready for insertions])
GROUP 7: Microscopy/Yeast
Summary for Microscopy/Yeast Group
Date: Oct 27, 2008 Status report by: Tejas Part no.: no Biobrick part Part Description: Yeast vector pRS414 to be temporarily used. The yeast vector pRS414 will be temporarily used until it can be adjusted to meet registry standards. pRS414 contains one EcoRI site and one PstI site, both directly adjacent to each other. This may make digest a little less efficient. Procedure involves first digesting with Pst1 for one hour, then digesting with EcoRI overnight (sequentially, not simultaneously), as EcoRI can tolerate low overhangs better than PstI, according to the NEB catalog. The following is a gel run on an E/P simultaneous digest of pRS414. Lane one is log 2 ladder. Lane 2 is uncut pRS414 (supercoiled so runs fater). Lane 3 is cut vector. It may have only one cut, with half at EcoRI and half at PstI, depending on efficiency of the second cut occuring after the first.
pRS414 digest
GROUP 8: Assembly Progress
Summary of Biobrick Assemblies:
Date: Week of September 22nd, 2008 Performed the following digest on all available biobrick parts, to begin assembly process: Part: Orientation: BBPart#/Clone: Vector: Enzymes Used: Alpha Promoter LtR BBa_K110005/1 pGEM-T E/S Alpha Promoter LtR BBa_K110006/1 pGEM-T E/S a Promoter RtL BBa_K110016/1 Cam BBV X/P mCherry FP LtR BBa_E2050 Kan BBV X/P mCherry FP LtR BBa_E2060 Kan BBV X/P dsRed FP LtR BBa_E1010 Kan BBV X/P Venus YFP LtR BBa_K110020/1 pGEM-T X/P Venus YFP RtL BBa_K110021/2 pGEM-T E/S Long Terminator - BBa_K110003/2 pGEM-T E/P Each promoter was ligated to a flourescent protein of the proper orientation (i.e. Alpha Promoter 5 to mCherry 2050, 2060, and dsRed 1010 and Venus 20, etc.): Alpha Promoter 5.1 + mCherry 2050 Alpha Promoter 5.1 + mCherry 2060 Alpha Promoter 5.1 + dsRed1010 Alpha Promoter 6.1 + mCherry 2050 Alpha Promoter 6.1 + mCherry 2060 Alpha Promoter 6.1 + dsRed1010 Alpha Promoter 5.1 + Venus 20.1 Alpha Promoter 6.1 + Venus 20.1 a Promoter 16.1 + Venus YFP 21.1 Each was assembled into the chloramphenicol biobrick vector, ligated O/N, The next day, each was transformed into DH5alpha cells (along with a -insert and negative control), and then plated on LB cam plates. 12 colonies were picked for each ligation, and miniprepped. Digestion by E/P yielded:
[http://www.jhu.edu/iGEM/GroupOther:Other/2008-10-28.9/25/08%20Assemblies%20-%20Upper%20Row.Jonathan%20&%20James.html 9/25/08 Assemblies - Upper Row]
