Analysis of the intergenic sequences provided by Feria-Arroyo et al. does not support the claim of high Borrelia burgdorferi tick infection rates in Texas and northeastern Mexico

Table 2 Sequence differences in IGS between B. burgdorferi B31 and other North American B. burgdorferi strains ^a

B31 nt	B31	297	N40	SGE03-01
85	T	A
100	A	G		G
127	A	T	T	T
148	A	G	G	G
155	A	G	G	G
163	G	A	A	A
172	T	G	G	G
175	T	C	C	C
179	A	G	G	G
183	G	A	A	A
184	G	A	A	A
186	T		C
196	T	G	G	G
295	C	T	T	T
325	T	C	C
327	A		G
332	G	A
347	G		A
360	C	G	G	G
362	A	G	G	G
366	G			A
391	A			T
409	A	G	G	G
413	G	C	C	C
422	C	T
476	A	-
492	T	C	C	C
496	C	T
511	A	C
541	G		A	A
553	G	T
557	A	G	G	G
564	G			A
570	T			C
575	G	A	A	A
593	G		T
602	T	G	C	C
648	T		C
653	T	C	C	C
659	G	T	T	T
691	T	C
730	A		C	C
739	T	G	C	C
749	C	T	T	T
759	A	G	G	G
761	C	T	T	T
783	A			G
778	C	T
780	C	T
806	G			T
830	G	A	A	A
868	T	-
869	C	-
870	T	-
871	T	-
872	A	-
875	A			T
885	T	C
No. of differences from B31		45	35	37
% Identity^b		95.2	96.3	96.1

^aB31 coordinates in the aligned sequences (Additional file 1: Figure S1) are indicated. A blank cell indicates that the nucleotide is the same as in B31. “-“ means a relative deletion.
^bPercent identity with B31.

ISSN: 1756-3305