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How long can bisulfite-treated DNA be stored-DNA Methyla

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Quick question as I have read all sorts of views on this before:

How long can bisufite-treated DNA be stored in -80℃ freezer before it degrades. Is there any reason why it should degrade quicker than untreated DNA??

Jon

-spjgjsm-

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Jon,

I resuspend my bisulfite treated DNA in fresh autoclaved TE buffer and store at -20C. I have stored such DNA upto 6 months with no detectable loss of DNA and by then I have used up my batch and I have to make another batch.

Hope this helps.

Cheers

Nick

-methylnick-

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I agree with Nick. No problem for six months although some suggest no more than one month.

-pcrman-

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cheers!

jon

-spjgjsm-

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Make sure you store in TE, rather than water. Bis treated DNA stored in water goes off quite fast.

-Chris Harris-

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