Team:Newcastle/12 July 2010

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'''Monday'''
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{{Team:Newcastle/mainbanner}}
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===Aims===
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=Research=
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The aim of todays Lab session was to perform the following(see summary) to isolate ''lacI''.
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Summary:
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We continued with our research on urease pathway in ''Bacillus subtilis'' 168.
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# Colony PCR
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# Streak plate
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# Miniprep PCR- of colonies that worked
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===Equipment===
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#Garnett J, Baumberg S, Stockley PG and Phillips SEV. (2007)."Structure of the C-terminal effector-binding domain of AhrC bound to its corepressor L-arginine". ''Acta crystallographica. Section F, Structural biology and crystallization communications''. 63(Pt 11). 918-21. International Union of Crystallography.
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#Garnett J, Marincs F, Baumberg S, Stockley PG and Phillips SEV. (2008). "Structure and function of the arginine repressor-operator complex from Bacillus subtilis". ''Journal of molecular biology''. 379(2. 284-98.
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* PCR reagents
 
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* Agar plates
 
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* Gloves
 
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* Wire loop
 
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===Colony PCR===
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{{Team:Newcastle/footer}}
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Of the 11 plates with colonies grown 7 were used for colony PCR and Streak plating. Colony PCR is less accurate than the mini prep however results can be seen quicker whereas the miniprep has a 1 day wait. The colonies selected selected were satellite colonies because ampicillin degraded'''???'''
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7 Tubes were labelled 1-7 (+ a control)
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The quantities for the PCR are as follows:
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*1microlitre Template
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*0.25 microlitre GoTaq Polymerase
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*2.5 microlitre forward primer
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*2.5 microlitre reverse primer
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*1 microlitre dNTP (10molar stock)
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* 10.0 microlitre 5times GoTaq buffer
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* 32.75 microlitre deionised H20
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'''Note''' There are 2 possible reasons for red colonies formed:
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# Partial digest- rejoins without insert
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# with insert 
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We need to tell the difference between the two.
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'''Note''' PCR is best when everything is kept on ice!
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'''Note''' Melting temperatures of primers is important and can have a big effect on the product formed (Temperature used see Thursday)
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===Streak Plates===
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{|
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|-
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|[[Image:Week_5_streak_plates_001|thumb]]
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|[[Image:Week_5_streak_plates_002.JPG|thumb]]
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|[[Image:Week_5_streak_plates_003.JPG|thumb]]
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|[[Image:Week_5_streak_plates_004.JPG|thumb]]
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|}
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===Tommorrow===
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We are going to take one of the colonies that have worked and possible a whole plasmid prep.
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Latest revision as of 19:32, 25 October 2010

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Research

We continued with our research on urease pathway in Bacillus subtilis 168.

  1. Garnett J, Baumberg S, Stockley PG and Phillips SEV. (2007)."Structure of the C-terminal effector-binding domain of AhrC bound to its corepressor L-arginine". Acta crystallographica. Section F, Structural biology and crystallization communications. 63(Pt 11). 918-21. International Union of Crystallography.
  2. Garnett J, Marincs F, Baumberg S, Stockley PG and Phillips SEV. (2008). "Structure and function of the arginine repressor-operator complex from Bacillus subtilis". Journal of molecular biology. 379(2. 284-98.


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