“…So far, nothing is known about the genetic organization and location of the Oantigen operons in the environmental Yersiniae, but it has been suggested that the outer core is also present in the environmental species . A quick search on the published genomes (Chen, et al, 2010) (Samuel and Reeves, 2003;Skurnik and Bengoechea, 2003). (Portnoy, Moseley and Falkow, 1981;Heesemann, et al, 1983;Portnoy, et al, 1984;Kapperud and Nesbakken, 1987;Fukushima, Gomyoda, Aleksic and Tsubokura, 1993).…”