Transfer dynamics of Tn6648, a composite integrative conjugative element generated by tandem accretion of Tn5801 and Tn6647 in Enterococcus faecalis

摘要

Background: Tn5801 [tet(M)], a Tn916-like element with site-specific affinity for the 3' end of the housekeeping gene guaA, may integrate at different chromosomal sites.