TABLE 1.

Cell morphology and cytoplasmic content of iron inclusions and poly-P granules in H. pylori during extended culture in GB (2 to 22 days) and during cold starvation in PBS (30 days to 28 months) determined by TEM

Time	Spirals			U forms			IC forms			DC forms
	% of total	% Containing:		% of total	% Containing:		% of total	% Containing:		% of total	% Containing:
		Fea	Pb		Fe	P		Fe	P		Fe	P
2 days	83	13	18	0.5			16	2	11	0.5
5 days	72	1	22	2	20		21	8	8	5	8
8 days				6	42	8	79	49	0.5	15	29	3
22 days				4	33		42	54		54	45
30 days				37.5	21	7	60	38	4.5	2.5
45 days				48.5	20	22	49.5	35	27	1	1	1
3 mo				10	34	19	71.5	39	16	18.5	20	6
28 mo				4.5	10		86.5	4	11	9

^aIron-containing inclusions.

^bPoly-P-containing granules.