What 'uncommon' antibiotics resistance gene can be used as a selective marker for homologous recombination in highly resistant K. pneumoniae strains?

Hi all, I am working with ESBL-producing K. pneumoniae strains.  I am having a problem to choose a suitable selective marker to be used for homologous recombination in my K. pneumoniae strains.  I...

16 July 2016 7,439 2 View