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. Author manuscript; available in PMC: 2010 Dec 21.
Published in final edited form as: FEMS Immunol Med Microbiol. 2007 Aug 7;51(2):289–301. doi: 10.1111/j.1574-695X.2007.00303.x

Fig. 3.

Fig. 3

Distribution of the number of G residues within the homopolymeric repeats located upstream of the tprE (a), tprG (b), tprJ (c), tprF (d) and tprI (e) ORFs. DNA was extracted from treponemal strains harvested from rabbits at peak orchitis and promoter regions amplified (using primers schematically represented in Fig. 1 and reported in Table 1). Twenty clones were sequenced for each tpr for each strain (Nichols, Chicago, Bal 73-1 and Sea 81-4) to analyze the range of variability of the poly-G tracts. For clarity, some symbols were slightly offset to prevent overlap.