Genetic engneering and plasmids

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Death Adder
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Genetic engneering and plasmids

Post by student12 » Sat Jun 17, 2006 12:15 am

Can anayone explain to me, why plasmids used in genetic engineering are modified so they can only infect E.coli cells?

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Inland Taipan
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Post by canalon » Sat Jun 17, 2006 2:58 am

They do not infect only E. coli. plamids are used in plentyo f system besides, from other bacteria to yeast and eukaryotic cells (not for stable transfection in this case). BUT E. coli is the friend of all biologist because it grows fast and easily, so if you prepare and multiply your plasmid in E. coli it is easier to work with before transferring to some different and final target.

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