Fig. 4From: Primordial origin and diversification of plasmids in Lyme disease agent bacteriaORF maps of Borreliella lp36 plasmids. Plasmids are represented as in Fig. 3, with the same background colors indicating regions of homologous DNA. The organizational subtypes (see text) are indicated by Roman numerals on the right, and isolates that carry each type are indicated at the leftBack to article page