In article (Dans l'article) <53e931$rn at isnews.csc.calpoly.edu>,
smccull at jurassic.fisher.calpoly.edu (The Kindly One) wrote (écrivait) :
> Can someone suggest a sonication treatment necessary to lyse E. coli
> that's overexpressing a protein? It would be for 20-50 mL of
> solution containing cells from 1-2 L of culture.
I always do my sonication on 3-5 ml (in Corex 15 tubes) (corresponding to
Sonicate 8 x 15 sec with 30 sec on ice between. Lysis was estimated to 90
percent (estimated on the amount of released overexpressed protein).
Hope this helps.
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