Difference between SOC and NZY+ Amine broth

R Breton the_doctor2k at yahoo.co.uk
Wed Dec 29 10:28:49 EST 2004


Hi there, 
Im using the Quikchange kit from stratagene for the first and in the
procedure it says to use NZY amine broth, whilst the procedure for the
XL1 Blue Supercompetant cells says to use SOC broth. The only
difference i can see is that SOC contains 20g/l tryptone whilst NZY
contains 10g/l of NZ Amine mix. What is the difference between these
two sources, as far as i can see they're both caesin digests.

Many thanks and a happy new year!
Robert Breton



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