Difference between revisions of "Team:Paris Saclay/Notebook/August/4"

(Water contamination)
Line 32: Line 32:
  
 
We can conclude that all BBa_K1707008 clones are OK
 
We can conclude that all BBa_K1707008 clones are OK
 +
 
We make a glycerol stock of #1 and #2
 
We make a glycerol stock of #1 and #2
  
  
===Electrophoresis===
+
===Electrophoresis Verification===
 
''by Pauline and Coralie''
 
''by Pauline and Coralie''
  
Line 59: Line 60:
 
* BBa_K1707012
 
* BBa_K1707012
  
SpeI + Pst
+
SpeI + Pst:
=== New culture===
+
* BBa_R0051 x2
'' by Pauline''
+
* BBa_K1707013
 +
* BBa_K1707019
 +
* BBa_K1707000
 +
 
 +
XbaI + EcoRI:
 +
* BBa_I13602
 +
 
 +
EcoRI + SpeI:
 +
* BBa_K1707004
 +
 
 +
 
 +
Mix:
 +
* 1 µL Enzyme 1
 +
* 1 µL Enzyme 2
 +
* 2 µL Buffer FastDigest 10x
 +
* 6 µL H2O
 +
* 10 µL Plasmide
 +
 
 +
 
 +
===Purification agarose gel===
 +
''by Coralie and Audrey''
  
 
Biobricks:
 
Biobricks:
* BBa_K1707008
+
* BBa_K1707011
* BBa_I13600 (2014)
+
* BBa_K1707004
 +
* BBa_E0022
 +
* BBa_E0422
 +
* BBa_K1707012
 +
* BBa_I13602
  
6 clones of each in 5mL LB + 20µg/mL of chloramphenicol
+
Agarose gel 1%
 +
 
 +
Migration 100 V
 +
 
 +
We can conclude that I13602 isn't digested
 +
 
 +
 
 +
===Purification===
 +
''by Pauline''
 +
 
 +
Biobricks:
 +
* BBa_K1707011
 +
* BBa_K1707004
 +
* BBa_E0022
 +
* BBa_E0422
 +
* BBa_K1707012
 +
* BBa_R0051
 +
* BBa_K1707013
 +
* BBa_K1707019
 +
* BBa_K1707000
 +
* BBa_K1707004
  
Incubation at 37°C, 250 rpm
 
  
 
===Soil experiment===
 
===Soil experiment===
Line 81: Line 125:
 
Water + concentrate cells solution 10 fold dilution
 
Water + concentrate cells solution 10 fold dilution
 
Water + concentrate cells solution 100 fold dilution
 
Water + concentrate cells solution 100 fold dilution
We use specific antibiotic for each strain.
+
 
 +
 
 +
J0: we take 100µL of each water and put it on plates with specific antibiotic:
  
 
* MacConkey + Spectinomycin
 
* MacConkey + Spectinomycin
 
* MacConkey + Tetracyclin
 
* MacConkey + Tetracyclin
 
* MacConkey + Chloramphenicol
 
* MacConkey + Chloramphenicol
And Just MacConkey for the Water + LB
+
 
 +
And only MacConkey for the Water + LB
 +
 
 +
Incubation ON, 37°C
  
 
====Soil====
 
====Soil====
Observation of plates (31/07/2015):   
+
Observation of plates (03/08/2015):   
  
* Soil + H2O on new MCK:  lots of colonies are visible
+
Less contamination on plates with MCK+Sorbitol thant MCK+Lactose.
* Soil + LB on new MCK: lots of colonies are visible
+
* LB on new MCK: nothing
+
* MCK alone: nothing
+
  
We can suppose two different hypothesis:
+
We choose to only use MCK+Sorbitol now
* The soil is contaminated
+
* the MCK isn't OK for our experiment: now we add lactose in the preparation. We will try with sorbitol instead of lactose.
+
  
We try soil + H2O and soil +LB on:
 
* MCK + Sorbitol: Without antibiotics, with Spectinomycine, Tetramycine or Chloramphenicol
 
* MCK + Lactose: Without antibiotics, with Spectinomycine, Tetramycine or Chloramphenicol
 
  
Incubation ON, 37°C
+
===Low Budget Challenge===
 +
''by Coralie''
 +
 
 +
Observation of plates (03/08/2015):
 +
We can saw a little bit of colony. We can suppose that the initial culture wasn't enough in growing phase.
 +
 
 +
We try another time, with the same protocol than the 03/08/2015 but a fresh culture of bacteria.
  
===Digestion===
 
''by Audrey and Coralie''
 
  
Biobricks:
 
* BBa_K1707011 #1 to #6
 
* BBa_K1707021 #1 to #6
 
* BBa_K1707004 #1 to #6
 
  
Mix:
 
* 2 µL Plasmid
 
* 1 µL Buffer FastDigest 10x
 
* 0,5 µL XbaI
 
* 0,5 µL PstI
 
* 6 µL H2O
 
  
  

Revision as of 09:33, 10 August 2015

Tuesday 4th August

Lab Work

Plasmid extraction

by Pauline

Biobricks:

  • BBa_K1707008 #1 to #6
  • BBa_I13600 #1 and #2

With the Macherey-Nagel Extraction kit

Digestion Verification

by Pauline and Coralie

Biobricks: BBa_K1707008 #1 to #6

Mix:

  • 2 µL Plasmid
  • 0,5 µL XbaI
  • 0,5 µL PstI
  • 1 µL Buffer FastDigest 10x
  • 6 µL H2O

Incubation 2h, 37°C


Electrophoresis

by Pauline

Agarose gel 1% Migration 90V

We can conclude that all BBa_K1707008 clones are OK

We make a glycerol stock of #1 and #2


Electrophoresis Verification

by Pauline and Coralie

Agarose gel, 1%

Migration 100V

We can conclude that:

  • BBa_K1707021: #2, #3, #4 and #6 are OK
  • BBa_K1707011: #1 to #6 are OK
  • BBa_K1707004: #1 to #6 are OK

We make glycerol stock of them.

Digestion

by Coralie

XbaI + PstI:

  • BBa_K1707011
  • BBa_K1707004 x2
  • BBa_E0022
  • BBa_E0422
  • BBa_K1707012

SpeI + Pst:

  • BBa_R0051 x2
  • BBa_K1707013
  • BBa_K1707019
  • BBa_K1707000

XbaI + EcoRI:

  • BBa_I13602

EcoRI + SpeI:

  • BBa_K1707004


Mix:

  • 1 µL Enzyme 1
  • 1 µL Enzyme 2
  • 2 µL Buffer FastDigest 10x
  • 6 µL H2O
  • 10 µL Plasmide


Purification agarose gel

by Coralie and Audrey

Biobricks:

  • BBa_K1707011
  • BBa_K1707004
  • BBa_E0022
  • BBa_E0422
  • BBa_K1707012
  • BBa_I13602

Agarose gel 1%

Migration 100 V

We can conclude that I13602 isn't digested


Purification

by Pauline

Biobricks:

  • BBa_K1707011
  • BBa_K1707004
  • BBa_E0022
  • BBa_E0422
  • BBa_K1707012
  • BBa_R0051
  • BBa_K1707013
  • BBa_K1707019
  • BBa_K1707000
  • BBa_K1707004


Soil experiment

by Coralie

Water

Sea Water separate in 5mL in 50mL Falcon Fresh water separate in 5mL in 50mL Falcon Contamination with 1mL Water + LB Water + concentrate cells solution Water + concentrate cells solution 10 fold dilution Water + concentrate cells solution 100 fold dilution


J0: we take 100µL of each water and put it on plates with specific antibiotic:

  • MacConkey + Spectinomycin
  • MacConkey + Tetracyclin
  • MacConkey + Chloramphenicol

And only MacConkey for the Water + LB

Incubation ON, 37°C

Soil

Observation of plates (03/08/2015):

Less contamination on plates with MCK+Sorbitol thant MCK+Lactose.

We choose to only use MCK+Sorbitol now


Low Budget Challenge

by Coralie

Observation of plates (03/08/2015): We can saw a little bit of colony. We can suppose that the initial culture wasn't enough in growing phase.

We try another time, with the same protocol than the 03/08/2015 but a fresh culture of bacteria.





Member present:

  • Instructors: Claire
  • Students: Coralie, Audrey and Pauline

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