Review Published on 20 Mar 2017 Xer Site Specific Recombination: Double and Single Recombinase Systems in Evolutionary and Genomic Microbiology Fabio CastilloAmal BenmohamedGeorge Szatmari Frontiers in Microbiology doi 10.3389/fmicb.2017.00453 29,822 views 89 citations