Team:UNITN-Trento/Notebook/Labposts/07/10

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(Created page with "{ "date" : "2013-07-25", "author" : "gabriele", "title" : "Screening - GOT IT! F**k yeah!", "content" : "<html>I checked <a href=\"https://2013.igem.org/wiki/index.php?title=T...")
 
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{"date" : "2013-07-03","author" : "fabio-viola","title" : "BACILLUS SUBTILIS COMES BACK TO LIFE!","content" : "<html> HORROR!! We lost kind of the whole bacillus that we had, during the night, cause the liquid cultures were disrupted in the shaker at 26!! Luckily we have a survivor, the liquid culture at 37, and all the plates. <br>From the survivor we made further liquid cultures ( at 26°, 1:50 and 1:100; at 37° 1:50 and 1:100) <br>As soon as they became very cloudy we went along with the glycerol stock preparation and put our bacillus at -80°. The one that weren’t cloudy have been kept in the shaker all night long. <br>In the afternoon we inoculated some colonies from the plates in 5 ml of nutrient broth +starch.</html>","tags" : " Bacillus subtilis"}
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"date" : "2013-07-25",
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"author" : "gabriele",
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"title" : "Screening - GOT IT! F**k yeah!",
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"content" : "<html>I checked <a href=\"https://2013.igem.org/wiki/index.php?title=Team:UNITN-Trento/Notebook#tn-post-2013-07-24-gabriele\">yesterday</a>'s inocula and, surprisingly and sadly, 4 out of 7 were red!!! I must admit that I don't get how it is possible to have red inocula when I treated the linearized-by-PCR pSB1C3 with the DpnI enzyme... that's crazy... anyway the quantification results are the following:<br/><center><table class=\"tn-sp-table\"><tr><th>Inocula</th><th>Quantity</th></tr><tr><td>ON 1:1 A</td><td style=\"font-color:red\">RED</td></tr><tr><td>ON 1:1 B</td><td style=\"font-color:red\">RED</td></tr><tr><td>ON 1:1 C</td><td>216.4ng/&micro;l</td></tr><tr><td>ON 1:1 D</td><td>215.5ng/&micro;l</td></tr><tr><td>ON 1:1 E</td><td style=\"font-color:red\">RED</td></tr><tr><td>Short 1:1</td><td style=\"font-color:red\">RED</td></tr><tr><td>Short 1:3</td><td>315.5ng/&micro;l</td></tr></table></center><br><h3>Screening digestion</h3>Screening was performed with BamHI-HF and PstI-HF. While PstI-HF cuts at the suffix (the end of the insert), BamHI-HF is able to cut only SAMsynthetase at 102th base position. So, the screening digestion will show one band at nearly 3100bp if pSB1C3 contains Plac+RFP, at nearly 2000bp if an '<i>empty</i>' pSB1C3 is present and two bands (one at nearly 2200bp and the other at nearly 1000bp) if we have pSB1C3 with SAMsynthetase.<br></html>{{:Team:UNITN-Trento/Templates/Styles/Spoiler|Digestion mixes|<html><center><table class=\"tn-sp-table\"><tr><td style=\"border:none;\"></td><th>11C</th><th>11D</th><th>13S</th></tr><tr><td>template</td><td colspan=\"2\">4.6&micro;l</td><td>3.17&micro;l</td></tr><tr><td>PstI-HF</td><td colspan=\"3\" rowspan=\"2\">1&micro;l</td></tr><tr><td>BamHI-HF</td></tr><tr><td>NEBuffer 4</td><td colspan=\"3\" rowspan=\"2\">2&micro;l</td></tr><tr><td>BSA</td></tr><tr><td>Water</td><td colspan=\"2\">9.4&micro;l</td><td>10.83&micro;l</td></tr></table></center></html>}}<html>The screening digestions were incubated at 37&deg;C for 1 hour and the run on a 1% agarose gel.<br/></html>{{:Team:UNITN-Trento/Templates/Styles/Spoiler|Gel|<html><center><table class=\"tn-sp-table\"><tr><th colspan=\"4\">Loading scheme</th></tr><tr><td>1kb ladder</td><td>11C</td><td>11D</td><td>13S</td></tr></table><img src=\"https://static.igem.org/mediawiki/2013/4/4c/Tn-20130725-GG_SAMsynthetase_GOTIT.jpg\" alt=\"Gel\" title=\"Gel\" width=\"450px\" /></center></html>}}<html>As you can see, the gel shows a band at nearly 2kbp and one at nearly 1kbp at the 13S lane, so that sample should contain the desired construct (pSB1C3+SAMsynthetase).</html>",
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"tags" : "SAMsynthetase"
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Latest revision as of 10:34, 3 October 2013

{"date" : "2013-07-03","author" : "fabio-viola","title" : "BACILLUS SUBTILIS COMES BACK TO LIFE!","content" : " HORROR!! We lost kind of the whole bacillus that we had, during the night, cause the liquid cultures were disrupted in the shaker at 26!! Luckily we have a survivor, the liquid culture at 37, and all the plates.
From the survivor we made further liquid cultures ( at 26°, 1:50 and 1:100; at 37° 1:50 and 1:100)
As soon as they became very cloudy we went along with the glycerol stock preparation and put our bacillus at -80°. The one that weren’t cloudy have been kept in the shaker all night long.
In the afternoon we inoculated some colonies from the plates in 5 ml of nutrient broth +starch.","tags" : " Bacillus subtilis"}