Team:Newcastle/28 July 2010

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(PCR Experiment)
(Plasmid Miniprep Experiment)
 
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{{Team:Newcastle/mainbanner}}
{{Team:Newcastle/mainbanner}}
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=[[PCR Experiment]]=
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[[Image:Newcastle_Lab_4.jpeg|260px|right]]
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=PCR Experiment=
==Aims==
==Aims==
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The aim of this experiment is to prove that ''Bacillus subtilis'' 168 and 3610 DNA extraction worked by amplifying ''anaR'' gene using PCR.
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The aim of this experiment is to prove that ''Bacillus subtilis'' 168 and 3610 chromosomal DNA extraction worked by amplifying P''araE'' using PCR.
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[[Image:Newcastle_Thermo.JPG|200px|thumb|right|Thermocycler]]
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[[Image:Newcastle Loading Gel.jpg|200px|thumb|right|Loading the gel]]
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[[Image:Newcastle Prep Chr Gel.jpg|200px|thumb|right|Gel]]
==Materials and Protocol==
==Materials and Protocol==
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Please refer to: [[Team:Newcastle/PCR| PCR]] for GoTaq PCR.
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Please refer to: [[Team:Newcastle/PCR#GoTaq_PCR|GoTaq PCR protocol]].
==Result==
==Result==
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* '''Lane 1''': 1kb DNA ladder
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* '''Lane 2''': ''B. subtilis'' 168 chromosomal DNA containing ''anaR'' gene
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[[Image:Gelpic2807.png|300px]]
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* '''Lane 3''': ''B. subtilis'' 168 chromosomal DNA containing ''anaR'' gene
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* '''Lane 4''': ''B. subtilis'' 3610 chromosomal DNA containing ''anaR'' gene
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'''Figure 1''': Gel electrophoresis of the PCR products
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* '''Lane 5''': ''B. subtilis'' 3610 chromosomal DNA containing ''anaR'' gene
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* '''Lane 1''': 1 Kb DNA ladder
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* '''Lane 2''': ''B. subtilis'' 168 chromosomal DNA containing P''araE''  
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* '''Lane 3''': ''B. subtilis'' 168 chromosomal DNA containing P''araE''  
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* '''Lane 4''': ''B. subtilis'' 3610 chromosomal DNA containing P''araE''  
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* '''Lane 5''': ''B. subtilis'' 3610 chromosomal DNA containing P''araE''
==Discussion==
==Discussion==
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We found bands in the lane 2, 3, 4 and 5 of around 200 bp size which is an approximate size of the ''anaR'' gene which is found on the chromosome of both ''B. subtilis'' 168 and 3610.
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We found bands in lanes 2, 3, 4 and 5 of around 200 bp in size which is an approximate size of the P''araE'' which is found on the chromosome of both ''B. subtilis'' 168 and 3610.
==Conclusion==
==Conclusion==
Line 26: Line 37:
==Aims==
==Aims==
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The aim of this experiment is to extract plasmid DNA pSB1C3, pSB1AK3 and plasmid containing ''lacI'' Biobrick from ''E. coli'' DH5α cells with the help of Qiagen miniprep kit and confirming the extraction with the help of nanodrop experiment.
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The aim of this experiment is to extract plasmid DNA pSB1C3, [http://partsregistry.org/Part:pSB1AK3 pSB1AK3] with [http://partsregistry.org/Part:BBa_B0014 BBa_B0014] and plasmid containing ''lacI'' Biobrick from ''E. coli'' DH5α cells with the help of Qiagen miniprep kit and confirming the extraction with the help of nanodrop experiment.
==Materials and Protocol==
==Materials and Protocol==
 +
[[Image:Newcastle_overnight_culture.jpg|200px|thumb|right]]
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[[Image:Newcastle_plasmids.jpg|200px|thumb|right]]
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[[Image:Newcastle_pSB1C3.jpg|200px|thumb|right]]
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Please refer to: [[Team:Newcastle/PCR| PCR]] for GoTaq PCR.
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Please refer to: [[Team:Newcastle/Minipreps| Minipreps]] for Qiagen miniprep protocol and [[TeamNewcastleNanoDrop Spectrophotometer| Nanodrop Spectrophotometer]] for nanodrop protocol.
==Result==
==Result==
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* '''Lane 1''': 1kb DNA ladder
+
 
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* '''Lane 2''': ''B. subtilis'' 168 chromosomal DNA containing ''anaR'' gene
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[[Image:Gelpic28073.jpg|300px]]
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* '''Lane 3''': ''B. subtilis'' 168 chromosomal DNA containing ''anaR'' gene
+
 
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* '''Lane 4''': ''B. subtilis'' 3610 chromosomal DNA containing ''anaR'' gene
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'''Figure 2''': Gel electrophoresis of the plasmid after restriction digestion with EcoR1.
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* '''Lane 5''': ''B. subtilis'' 3610 chromosomal DNA containing ''anaR'' gene
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* '''Lane 1''': 1 kb DNA ladder
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* '''Lane 2''': Extraction of pSB1C3 plasmid
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* '''Lane 3''': Extraction of pSB1C3 plasmid
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* '''Lane 4''': Extraction of plasmid containing ''lacI''
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* '''Lane 5''': Extraction of plasmid containing ''lacI''
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* '''Lane 6''': Extraction of [http://partsregistry.org/Part:pSB1AK3 pSB1AK3] with [http://partsregistry.org/Part:BBa_B0014 BBa_B0014] plasmid containing double terminator
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* '''Lane 7''': Extraction of [http://partsregistry.org/Part:pSB1AK3 pSB1AK3] with [http://partsregistry.org/Part:BBa_B0014 BBa_B0014] plasmid containing double terminator
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{|border=1
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|-
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!'''Lane 1'''
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!'''Lane 2'''
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!'''Lane 3'''
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!'''Lane 4'''
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!'''Lane 5'''
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!'''Lane 6'''
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!'''Lane 7'''
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|-
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|N/A
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|29.9 µl/ml
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|28.9 µl/ml
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|34.0 µl/ml
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|29.8 µl/ml
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|6.1 µl/ml
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|6.7 µl/ml
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|}
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'''Table 1''': Nanodrop spectrophotometer experiment result. Table represents the amount of plasmid present in µl/ml quantity.
==Discussion==
==Discussion==
-
We found bands in the lane 2, 3, 4 and 5 of around 200 bp size which is an approximate size of the ''anaR'' gene which is found on the chromosome of both ''B. subtilis'' 168 and 3610.
+
We found bands in the lane 2, 3, 4, 5, and 6 showing the presence of plasmid in ''E. coli'' DH5α cells.
 +
However, the concentration was very low, therefore this will have to be repeated.
==Conclusion==
==Conclusion==
-
This experiment proves that the DNA extraction from both ''B. subtilis'' 168 and 3610 done on 27th July, 2010 was successful.
+
This experiment shows that there is plasmid present in the ''E. coli'' DH5α cells but they are present in a very low amount possibly due to the ommission of antibiotic in the media.  
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+
{{Team:Newcastle/footer}}
{{Team:Newcastle/footer}}

Latest revision as of 22:28, 27 October 2010

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Newcastle Lab 4.jpeg

Contents

PCR Experiment

Aims

The aim of this experiment is to prove that Bacillus subtilis 168 and 3610 chromosomal DNA extraction worked by amplifying ParaE using PCR.

Thermocycler
Loading the gel
Gel

Materials and Protocol

Please refer to: GoTaq PCR protocol.

Result

Gelpic2807.png

Figure 1: Gel electrophoresis of the PCR products

  • Lane 1: 1 Kb DNA ladder
  • Lane 2: B. subtilis 168 chromosomal DNA containing ParaE
  • Lane 3: B. subtilis 168 chromosomal DNA containing ParaE
  • Lane 4: B. subtilis 3610 chromosomal DNA containing ParaE
  • Lane 5: B. subtilis 3610 chromosomal DNA containing ParaE

Discussion

We found bands in lanes 2, 3, 4 and 5 of around 200 bp in size which is an approximate size of the ParaE which is found on the chromosome of both B. subtilis 168 and 3610.

Conclusion

This experiment proves that the DNA extraction from both B. subtilis 168 and 3610 done on 27th July, 2010 was successful.

Plasmid Miniprep Experiment

Aims

The aim of this experiment is to extract plasmid DNA pSB1C3, pSB1AK3 with BBa_B0014 and plasmid containing lacI Biobrick from E. coli DH5α cells with the help of Qiagen miniprep kit and confirming the extraction with the help of nanodrop experiment.

Materials and Protocol

Newcastle overnight culture.jpg
Newcastle plasmids.jpg
Newcastle pSB1C3.jpg

Please refer to: Minipreps for Qiagen miniprep protocol and Nanodrop Spectrophotometer for nanodrop protocol.

Result

Gelpic28073.jpg

Figure 2: Gel electrophoresis of the plasmid after restriction digestion with EcoR1.

  • Lane 1: 1 kb DNA ladder
  • Lane 2: Extraction of pSB1C3 plasmid
  • Lane 3: Extraction of pSB1C3 plasmid
  • Lane 4: Extraction of plasmid containing lacI
  • Lane 5: Extraction of plasmid containing lacI
  • Lane 6: Extraction of pSB1AK3 with BBa_B0014 plasmid containing double terminator
  • Lane 7: Extraction of pSB1AK3 with BBa_B0014 plasmid containing double terminator


Lane 1 Lane 2 Lane 3 Lane 4 Lane 5 Lane 6 Lane 7
N/A 29.9 µl/ml 28.9 µl/ml 34.0 µl/ml 29.8 µl/ml 6.1 µl/ml 6.7 µl/ml

Table 1: Nanodrop spectrophotometer experiment result. Table represents the amount of plasmid present in µl/ml quantity.

Discussion

We found bands in the lane 2, 3, 4, 5, and 6 showing the presence of plasmid in E. coli DH5α cells. However, the concentration was very low, therefore this will have to be repeated.

Conclusion

This experiment shows that there is plasmid present in the E. coli DH5α cells but they are present in a very low amount possibly due to the ommission of antibiotic in the media.

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