TABLE 3.

Comparison of nucleotide sequence difference positions of the 16S rRNA gene from the E. phagocytophila genogroup

Ehrlichia spp.	Host, isolate or strain	Origin	Nucleotide difference positionsd						GenBank accession no. or reference
			30	34	40	180	345	843
E. equi	CAMEBS	Calif.	A	A	A	T	G	G	AF172165
	CAMAWI	Calif.	•	•	•	•	•	•	AF172164
	CASITL	Calif.	•	G	•	•	•	•	AF172166
	CASOLJ	Calif.	•	•	•	C	•	•	AF172167
	Anderson	Calif.	•	•	•	•	•	−	M73223
	Alice	Calif.	•	•	•	•	•	•	AF036645
	Merettricious	Calif.	G	•	•	•	•	•	AF036647
	Atempo	Calif.	•	G	•	•	C	•	AF036646
HGE agent	CAHU-HGE1	Calif.	•	•	•	•	•	•	AF093788
	CAHU-HGE2	Calif.	•	•	•	•	•	•	AF093789
	USG3	R.I.	•	•	G	•	•	•	U020521
	NCH-1a	Nantucket Island	/	/	/	•	•	•	U23038
E. phagocytophila	Ovine, OS strain	Scotland	•	•	•	•	•	−	M73220
	Goat, FG strain	Scotland	•	•	•	•	•	−	M73224
Closely related E. phagocytophila genogroup	Horse	Switzerland	•	•	G	•	•	•	AF057707
	Horse	Switzerland	•	•	G	•	•	•	U77389
	Dog, Rosa isolate	Sweden	•	•	G	•	•	•	U10873
	Cat,	Sweden	•	•	G	•	•	•	8
	Mouseb, PL1559	Minn.	•	•	G	•	•	•	U72878
	Mouseb, PL505	Minn.	•	•	G	•	•	•	U72879
	Tick (Ixodes ricinus)	Switzerland	•	•	G	•	•	•	AF084907
	Tick, NCH-1/530-N8c	Nantucket Island	/	/	/	•	•	•	U23039

^aNot identified in nucleotide position numbers 143, 144, 149, 168, 173, 192, and 195 based on CAHU-HGE1 sequence position compared with CAHU-HGE1. 

^bPeromyscus leucopus. 

^cNot identified in nucleotide position numbers 97, 234, 235, 261, 410, 458, 503, 517, 621, 681, 687, and 692 based on CAHU-HGE1 sequence position. 

^d/, Not identified; −, gap by Multalin sequence alignment program; •, conserved position.