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Copyright ©2014 Baishideng Publishing Group Inc.
World J Gastroenterol. Jun 21, 2014; 20(23): 7152-7168
Published online Jun 21, 2014. doi: 10.3748/wjg.v20.i23.7152
Figure 1
Figure 1 Neighbour-joining phylogenetic tree was conducted based on hepatitis B virus full-length genomes of all proposed genotypes and subgenotypes before (A) and after (B) reclassification. HBV genome sequence that used are listed below: JN182318: A1; HE576989: A2; AB194951: A3; AY934764: A4; FJ692613: A5; GQ331047: A6; FN545833: A7; AB642091: B1; FJ899779: B2; GQ924617: B3; GQ924626: B4; GQ924640: B5; JN792893: B6; GQ358137: B7; GQ358147: B8; GQ358149: B9; AB697490: C1; GQ358158: C2; DQ089801: C3; HM011493: C4; EU410080: C5; EU670263: C6; GU721029: C7; AP011106: C8; AP011108: C9; AB540583: C10; AB554019: C11; AB554025: C12; AB644280: C13; AB644284: C14; AB644286: C15; AB644287: C16; GU456636: D1; GQ477452: D2; EU594434: D3; GQ922003: D4; GQ205377: D5; KF170740: D6; FJ904442: D7; FN594770: D8; JN664942: D9; FN594748: E; FJ709464: F1b; DQ899146: F2b; AY090459: F1a; DQ899142: F2a; AB036920: F3; AF223965: F4; GU563556: G; AB516393: H; FJ023659: I1; FJ023664: I2 ; AB486012: J and AY226578: Woolly monkey as an out-group. HBV: Hepatitis B virus.
Figure 2
Figure 2 The time line of identification and designation of hepatitis B virus subgenotypes.
Figure 3
Figure 3 Geographical distribution of hepatitis B virus genotypes and subgenotypes in different regions of the world. Yellow arrows illustrate the directions of HBV subgenotype dispersal through immigration from highly and intermediate endemic countries to low HBV endemic areas (map of hepatitis B surface antigen (HBsAg) prevalence adapted from the website of the WHO). HBV: Hepatitis B virus; WHO: World Health Organization.