Schematic representation of the <i>E. coli</i>-bifidobacterial shuttle vectors pDM1 and pDM2.
2014-04-17T04:13:19Z (GMT) by
<p>pDM1 is a derivative of pAM5 where the tetracycline resistance gene has been replaced with the spectinomycin resistance cassette. pDM2 is a derivative of the plasmid pDG7 where the spectinomycin resistance cassette was cloned in the unique EcoR1 and HindIII sites of pDG7.</p>