TABLE 1.

Results from the screening of plasmid-subtracted sequences in H. pylori strains isolated from children with peptic ulcer or non-ulcer gastritis

Subtracted sequence			Homology with H. pylori plasmids		H. pylori strains
					No. (%)		Pc
Clonea	Length (bp)	GenBank accession no.	ORF, plasmid	Gene product and/or functionb	Ulcers (n = 15)	Gastritis (n = 30)
5p	438	DQ364775	ORF4O, pHel4	Putative	5 (33.3)	9 (30.0)	0.909
12p	727	DQ364770	ORF4C, pHel4	MobA-like protein	5 (33.3)	9 (30.0)	0.909
13p*	491	DQ364771	ORF4M, pHel4	Putative	6 (40.0)	16 (53.3)	0.598
			ORF4N, pHel4	Putative	6 (40.0)	14 (46.7)	0.916
24p	353	DQ364772	ORF4N, pHel4	Putative	6 (40.0)	14 (46.7)	0.916
25p	367	DQ364779	ORF4C, pHel4	MobA-like protein	5 (33.3)	9 (30.0)	0.909
62p	677	DQ364780	repA, pHel5	H. pylori replication protein A	8 (53.3)	17 (56.6)	0.916
99p	349	DQ364781	ORF4A, pHel4	MccC-like protein	4 (26.7)	7 (23.3)	0.902
B1-F1p*	969	DQ364776	ORF4C, pHel4	MobA-like protein	5 (33.3)	9 (30.0)	0.909
			ORF4F, pHel4	MobC-like protein	7 (46.6)	9 (30.0)	0.441
B1-F16p*	935	DQ364778	ORF4A, pHel4	MccC-like protein	4 (26.7)	7 (23.3)	0.902
			ORF4B, pHel4	MccB-like protein	4 (26.7)	7 (23.3)	0.902

^a*, Tested separately by dot blotting.

^bGene product or function is according to Hofreuter and Haas (30).

^cThe P value was determined by using the Fisher exact test.