Removal of DNA after isolation of Total nucleic acid?

Michael L. Sullivan mlsulliv at
Fri Feb 20 11:24:28 EST 2004

>I need to remove the DNA after isolation of Total nucleic acid from
>stool after isolation on MagnaPure LC, Roche. How can I do that easy
>and safe without destruction of any RNA in the sample?
>Elisabet W

There are RNAse-free DNAse preparations that can be used for this 
application.  Coming to mind are Amplification grade DNAse I from 
Invitrogen (I'm sure others offer a similar product), and RQ1 
RNAse-free DNAse from Promega (I'm sure otehrs offer a similar 
product as well).

Hope this helps.

Mike Sullivan


Michael L. Sullivan, Ph.D
Research Plant Molecular 
U.S. Dairy Forage Research Center
1925 Linden Drive West
Madison WI, 53706

(608) 264-5397 Phone
(608) 264-5147 Fax

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