Ideas for presentation?

Deanne Bell dbell at
Mon Jun 14 12:19:37 EST 2004

Hey Trond
Type "dna extraction from onion" into google and there are several
protocols to choose from.

Dee Bell

-----Original Message-----
From: owner-methods at [mailto:owner-methods at]
On Behalf Of Trond Erik Vee Aune
Sent: Monday, June 14, 2004 1:53 AM
To: methods at
Subject: Re: Ideas for presentation?

Thank you all,

Does any of you have protocol for DNA extraction from onion? And why

Trond Erik

DavidMicklem wrote:

> In article <cabk3a$vmg$1 at>, Trond Erik Vee Aune
> <trondaun at> wrote:
>>I'm going to participate at a "Science Day" in the city where I live, 
>>and have been asked to make an interactive presentation for children 
>>from 10 to 19 where the topic is gene technology/microbiology. I can 
>>borrow some equipment from the lab where I work (general molecular 
>>biology lab). Do any of you have any ideas what I could do? Ideally it

>>should involve the children and trigger their curiosity while being
>>at the same time.
>>Trond Erik
> Could they make a rather quick and dirty DNA prep from eg onions?
> out the DNA from ethanol (hmm, expensive in Norway, and maybe not
> allowed for children??). Get to take the DNA home with them....
> Some kind of colour-changing thing using eg lacZ??
> Showing cell under microscope - their own cheek cells?? 
> GFP (RFP, CFP, YFP) is always fun in gene tech - maybe you could have
> multi-coloured bacterial preps? You can excite it using BLUE light, so
> no need for UV. (e.g. a blue LED works OK, or a DarkReader, with
> filter).
> Um, er, you don't have a GFP mouse running around anywhere do you :-)
> David

Trond Erik Vee Aune
Department of Biotechnology
Norwegian University of Science and Technology

- Must be sad being a dyslectic, agnostic insomniac, lying
   awake during the night, wondering if there really is a dog


More information about the Methods mailing list