TABLE 2.

Evolutionary genetic distances among Cryptosporidium species and eight genotypes of C. parvum

Species and genotype	No. of nucleotide differences per 100 basesa
	P. falciparum	P. cynomolgi	C. muris bovine	C. muris murine	C. serpentis	C. baileyi	Desert monitor	C. felis	C. Tparvum dog	C. parvum pig	C. parvum marsupial	C. meleagridis	C. parvum ferret	C. wrairi	C. parvum human	C. parvum monkey	C. parvum mouse	C. parvum bovine
P. falciparum	0.00
P. cynomolgi	21.03	0.00
C. muris bovine	34.84	40.51	0.00
C. muris murine	32.73	38.79	1.76	0.00
C. serpentis	34.55	40.43	5.16	4.34	0.00
C. baileyi	29.27	36.74	15.50	15.60	15.74	0.00
Cryptosporidium sp.	32.04	37.25	20.44	20.40	21.11	14.80	0.00
C. felis	42.57	38.79	27.74	27.84	27.97	26.59	19.42	0.00
C. parvum dog	43.51	38.19	29.77	30.02	29.64	28.37	20.86	15.66	0.00
C. parvum pig	33.87	37.28	20.47	20.07	20.25	16.17	11.53	18.29	18.51	0.00
C. parvum marsupial	32.28	37.22	20.92	21.15	20.61	15.97	12.15	18.36	19.23	8.00	0.00
C. meleagridis	33.08	36.97	21.23	21.17	21.22	17.35	13.67	18.58	16.54	9.61	5.79	0.00
C. parvum ferret	34.38	37.82	22.08	21.77	21.90	16.73	13.75	18.65	17.17	8.86	5.31	4.02	0.00
C. wrairi	32.60	36.80	21.21	20.85	20.62	16.21	12.46	18.24	17.87	8.12	4.03	4.04	2.57	0.00
C. parvum human	33.77	37.07	21.71	21.31	21.72	16.37	13.55	18.45	17.49	8.55	4.90	4.47	3.68	2.29	0.00
C. parvum monkey	34.20	37.10	21.78	21.38	21.59	16.51	13.44	18.41	17.51	8.73	4.96	4.58	3.73	2.35	0.25	0.00
C. parvum mouse	33.19	36.44	21.79	21.45	21.47	16.38	13.22	18.68	17.42	8.44	4.96	4.25	2.93	2.18	2.05	2.22	0.00
C. parvum bovine	34.19	37.69	21.78	21.38	21.74	16.79	14.22	18.31	16.78	8.62	4.97	4.48	3.14	1.92	2.88	2.47	1.51	0.00

^aThe values are nucleotide changes per 100 bp calculated by the Kimura two-parameter method using the Wisconsin Package, version 9.0 (Genetics Computer Group).