Bacterial Protein Determination

Emir Khatipov ekhatipo at NOSPAMmidway.uchicago.edu
Thu Sep 21 13:28:15 EST 2000

I routinely did pellet cells and resuspend them in 0.1 NaOH for subsequent
Bradford assay. You certainly have to make your std curve with BSA or IgG in
0.1 NaOH. This method is good for bacteria that do not have cellular
inclusions like sulphur that would interfere with the assay (sulfur can be
extracted with ethanol).

"Joe Studer" <studer at okstate.edu> wrote in message
news:39CA257D.CA7BBA1B at okstate.edu...
> What is the standard method for determination of total protein from
> whole lysed bacteria these days.  Im looking at Anal.  Biochem.  44,
> 239-245 (1971).  But I was wondering what the rest of the
> biochem/microbiol society actually uses today.

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