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Ampicillin resistance selector

Ampicillin kanamycin neomycin geneticin transfection

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3 replies to this topic

#1 hogthehedge

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Posted 01 August 2012 - 03:43 AM

Hi everyone,

Do you know which antibiotic to use to select mammalian cells expressing a plasmid with Ampicillin resistance?
I use Geneticin for Kanamycin-resistance conferring plasmids. Would the same work?

Regards,
HogtheHedge

#2 leelee

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Posted 01 August 2012 - 04:55 AM

I don't think there is one.

No, the amp resistance gene will not confer protection against geneticin.

#3 hogthehedge

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Posted 01 August 2012 - 11:23 AM

Thanks for your reply, Leelee.
I have been given plasmids without maps or sequences. I know they confer resistance to amp, but I don't know what to select with once I transfect into mammalian cells. I am trying to make stable cell lines. If anybody has any idea, please do let me know. Thank you!

#4 bob1

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Posted 01 August 2012 - 01:36 PM

Amp does not work at all as a selective agent for eukaryotic cells; it acts against the cell wall of bacteria.

If you do not have the sequence, do you have a name for the plasmid? If so, a lot of the backbone details are available in various places on the web. It may also be that the plasmid you have is only good for transient transfection or bacterial expression.





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