IUBio

In situ bacterial DNA quantitation?

fuller at envirogen.com fuller at envirogen.com
Thu Oct 22 15:40:55 EST 1998


Dr. S. Shapiro wrote:
> 
> Dear Colleagues;
> 
>      I am curious if anyone is aware of a procedure for quantifying the
> DNA (or total nucleic acid) in individual bacterial cells that does not
> make use of radiosiotopes or flow cytometers.  For example, can it be done
> microscopically (electron microscopically) using particular fluorescent
> dyes?  Any other suggestions?
> 
>      Kindly contact me directly at toukie at zui.unizh.ch.  Please provide
> reference citations.
> 
> Thanks in advance to all responders,
> 
> S. Shapiro
> toukie at zui.unizh.ch
> 
> q

I'd suggest you contact Molecular Probes.  They have developed a large
variety of nucleic acid dyes, some specifically for quantification. 
Their web page is:

www.probes.com

Hope this helps.

-Mark



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