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LB Medium: Difference between revisions

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246 bytes added ,  13 September 2014
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(Created page with "== Info == Used for growing ''E. coli''. == Protocol == # Using a balance weigh out the following and transfer to a '''1 litre''' screwcap bottle: #* '''2...")
 
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# Using a balance weigh out the following and transfer to a '''1 litre''' screwcap bottle:
# Using a balance weigh out the following and transfer to a '''1 litre''' screwcap bottle:
#* '''25g LB powder'''
#* '''25g LB-Miller powder''' *or* '''20g LB-Lennox powder''' *or* '''15.5g LB-Luria powder'''
#* (15g agar if making solid medium for plates)
#* (15g agar if making solid medium for plates)
# Half fill the bottle with water
# Half fill the bottle with water
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If adding antibiotic, add after autoclaving.
If adding antibiotic, add after autoclaving.


25g of LB powder consists of:
25g of LB-Miller powder consists of:
# 10g tryptone
* 10g tryptone
# 5g yeast extract
* 5g yeast extract
# 10g NaCl
* 10g NaCl
 
20g of LB-Lennox powder consists of:
* 10g tryptone
* 5g yeast extract
* 5g NaCl
 
15.5g of LB-Luria powder consists of:
* 10g tryptone
* 5g yeast extract
* 0.5g NaCl