TABLE 1.

Developmental stages of Parachlamydia in 250 infected trophozoites of Acanthamoeba polyphaga

Culture group (n) and stagesa	Mean no. of developmental stages/amoeba
	Inside Acanthamoeba			Outside Acanthamoeba
	Intravacuolar	Intracytoplasmic	Bothb
All cocultures (250)
Elementary bodies	19.24	0.13	19.37	0.52
Reticulate bodies	10.21	2.54	12.75	0.02
Crescent bodies	1.45	0	1.45	0.23
Divisionsc	0.72	0.11	0.83	0
Hall coccus, PAS 8 h (50)
Elementary bodies	0.86	0	0.86	0.14
Reticulate bodies	2.02	3.20	5.22	0.02
Crescent bodies	0.02	0	0.02	0.10
Divisionsc	0.04	0.08	0.12	0
BN9, PAS 8 h (50)
Elementary bodies	2.30	0	2.30	0.02
Reticulate bodies	0.46	0.10	0.66	0.02
Crescent bodies	0.18	0	0.18	0.04
Divisions	0.16	0.04	0.2	0
Hall coccus, PAS 36 h (50)
Elementary bodies	23.20	0.06	23.26	0.18
Reticulate bodies	10.66	2.52	13.18	0
Crescent bodies	2.56	0	2.56	0.44
Divisions	0.44	0.06	0.50	0
BN9, PAS 36 h (50)
Elementary bodies	30.20	0.46	30.66	0.20
Reticulate bodies	20.18	5.76	25.94	0.04
Crescent bodies	1.74	0	1.74	0.34
Divisions	1.06	0.34	1.40	0
Hall coccus, PYG 144 h (50)
Elementary bodies	39.62	0.10	39.72	2.04
Reticulate bodies	17.72	1.12	18.84	0.04
Crescent bodies	2.74	0	2.74	0.24
Divisions	1.92	0.04	1.96	0

^an, number of cultures.

^bBoth, intravacuolar and intracytoplasmic.

^cDivisions, reticulate bodies undergoing binary fission.