Cannot locate herring sperm DNA

Ulf Andersson ulf at
Fri Aug 15 08:43:14 EST 1997

Sigma cat. no. D3159, comes in 10, 25 and 100 g batches...

You're welcome!

In article <5svunv$ecf at>, driscoll at
(William Driscoll) wrote:

> Since I've heard this to be a relatively common reagent, this is probably 
> will seem like a silly question but...
> I want to use herring sperm DNA as a blocking reagent in a Northern 
> Blot using a biotin labled 40mer oligo probe, but I cannot locate it 
> in the normal catalogs I use: Sigma, Fisher, Clonetech, BioRad, Pharmacia.  
> So my question is:  Other than the obvious place (meaning go catch a 
> herring and get a sample of its sperm) where does one obtain herring sperm
> DNA.  
> Please email responses instead of posting; since I don't get to check news 
> as much as I'd like and I might miss a post. My address is:
> driscoll at
> Thanks in advance,
> Bill
> driscoll at

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