Gentamycin and G418

Karl Fischer kfischer at
Wed Feb 22 12:59:20 EST 1995

In article <theano.5.2F4B3A78 at>,
theano at (Theano Markoulides) wrote:

> I recently read that gentamycin and G418 (Geneticin) are quite similar in 
> nature. If I am transfecting cells which are growing in a medium containing 
> gentamycin and I'm inserting a gene which allows selection with G418 - what 
> are the chances that the cells I'm left with are the transfected ones ? 

To the best of my knowledge, gentamicin cannot be used to replace G418 in
selecting cells transfected with a plasmid harbouring a neo resistance
gene. In fact, we use gentamicin for controlling bacterial contamination
in some of our tissue culture systems. I would stick with G418 for
selecting your clones.



Karl Fischer
kfischer at
tyr-2 at

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