Ethidium bromide

Sergio sergioal at bbm1.ucm.es
Tue Jul 17 10:32:30 EST 2001



Roland Hubner wrote:

> In article <3B54B528.27672.841F1E at localhost>, wolfsc at ibms.sinica.edu.tw
> ("Wolfgang Schechinger") wrote:
>
> > It's a little off topic, but recently I saw a paper from a Brasilian
> > group doing Ames' test with caffeine. It proved to be positive at
> > concenrtations we happily take in with our daily coffee...
> >
> > cum grano salis
> >
> > Wo
>
>  No surprise (!/?) -- caffeine breaks chromosomes & the bacteria in the
> Ames test have no nuclear compartiment...
>
>  I vaguely remember that caffeine was not considered worth a study by an
> US toxicology agency because it was a COMMON (natural?) food
> ingredient...
>

When i studied plant genetics, i was told caffeine can be used to induce
tetraploidism and other different mutations.... i cannot live without coffee
though....

Sergio




More information about the Methods mailing list