DNA extraction - Salting Out: Difference between revisions

From OpenWetWare
Jump to navigationJump to search
Line 24: Line 24:


==Procedure==
==Procedure==
Tissue Digestion
*Tissue Digestion
#Add 5μL Proteinase K to each mL of Digestion Buffer (final 0.5mg/mL)
#Add 5μL Proteinase K to each mL of Digestion Buffer (final 0.5mg/mL)
#Homogenise (or simply place) tissue in solution
#Homogenise (or simply place) tissue in solution
Line 31: Line 31:
#Transfer supernatant into a new tube
#Transfer supernatant into a new tube


Precipitation of Protein and Cell Debris
*Precipitation of Protein and Cell Debris
#Add 1/10 volume of Sodium Acetate 3M pH 5.2 (final 0.3M)
#Add 1/10 volume of Sodium Acetate 3M pH 5.2 (final 0.3M)
#Invert to mix and incubate at -20°C for ~15 minutes
#Invert to mix and incubate at -20°C for ~15 minutes
Line 37: Line 37:
#Transfer supernatant to a new tube
#Transfer supernatant to a new tube


Precipitation of DNA
*Precipitation of DNA
#Add >2 volumes of 98% ethanol (final 60-80%)
#Add >2 volumes of 98% ethanol (final 60-80%)
#Invert to mix and incubate at -20°C for ~15 minutes
#Invert to mix and incubate at -20°C for ~15 minutes
118

edits

Navigation menu