Reduced genome size of Helicobacter pylori originating from East Asia

Table 1 Genome size, guanine-cytosine content and number of protein coding genes of Helicobacter pylori from different populations

Population	n	Size (Mbp)	GC content	Protein coding genes
hpEastAsia	30	1.6050 ± 0.0327	38.8167% ± 0.1206%	1548.8000 ± 74.3762
hpAsia2	71	1.6243 ± 0.0282	39.0286% ± 0.0756%	1559.5000 ± 57.2757
hpEurope	391	1.6467 ± 0.0391	38.9231% ± 0.1287%	1627.8684 ± 74.7411
hpAfrica1	40	1.6558 ± 0.0384	39.1800% ± 0.1137%	1660.0250 ± 58.9108
hpAfrica2	2	1.6500 ± 0.0424	38.5000% ± 0.1414%	1637.5000 ± 92.6310
Total	118	1.6379 ± 0.0417	38.9822% ± 0.1986%	1637.5000 ± 71.3128

¹The number of protein coding gene is only available in 2/7 strains from hpAsia2 and 38/39 strains from hpEurope. GC: Guanine-cytosine.