Table 4 Association between virulence genes and ethnic groups
From: Helicobacter pylori virulence genes in the five largest islands of Indonesia
Virulence genes | Papuan | Batak | Buginese | Javanese | Chinese | Dayak | Floresnese |
|---|---|---|---|---|---|---|---|
Number of strain | 9 | 16 | 5 | 2 | 7 | 2 | 3 |
cagA positive | 100 % | 100 % | 100 % | 100 % | 100 % | 100 % | 66.7 % |
cagA type* | |||||||
East-Asian-type-cagA | 11.1 % | 100.0 % | 40.0 % | 0.0 % | 71.4 % | 0.0 % | 100.0 % |
Western-type-cagA | 11.1 % | 0.0 % | 60.0 % | 50.0 % | 28.6 % | 100.0 % | 0.0 % |
ABB type | 77.8 % | 0.0 % | 0.0 % | 50.0 % | 0.0 % | 0.0 % | 0.0 % |
Predominant pre-EPIYA cagA type (%)* | 18-bp deletion (88.9 %) | 6-bp deletion (100.0 %) | No deletion (60.0 %) | No deletion (50.0 %) | 39-bp deletion (28.6 %) | No deletion (100.0 %) | 18-bp deletion (50.0 %) |
vacA m2 (%)* | 0.0 % | 37.5 % | 40.0 % | 0.0 % | 42.9 % | 0.0 % | 66.7 % |
iceA1 genotype (%) | 88.9 % | 62.5 % | 60.0 % | 50.0 % | 42.9 % | 50.0 % | 33.3 % |
Double positive jhp0562/β-(1,3)galT (%)* | 33.3 % | 87.5 % | 40.0 % | 50.0 % | 71.4 % | 50.0 % | 66.7 % |
oipA “on” (%)* | 77.8 % | 100.0 % | 100.0 % | 100.0 % | 100.0 % | 50.0 % | 66.7 % |
dupA negative (%) | 100.0 % | 100.0 % | 100.0 % | 100.0 % | 85.7 % | 100.0 % | 33.3 % |