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Extensive polymorphism of ABO blood group gene: three major lineages of the alleles for the common ABO phenotypes

Abstract

Polymorphism of the ABO blood group gene was investigated in 262 healthy Japanese donors by a polymerase chain reactions-single-strand conformation polymorphism (PCR-SSCP) method, and 13 different alleles were identified. The number of alleles identified in each group was 4 for A1 (provisionally called ABO*A101, *A102, *A103 and *A104 according to the guidelines for human gene nomenclature), 3 for B (ABO*B101, *B102 and *B103), and 6 for O (ABO*O101, *O102, *O103, *O201, *O202 and *O203). Nucleotide sequences of the amplified fragments with different SSCP patterns were determined by direct sequencing. Phylogenetic network analysis revealed that these alleles could be classified into three major lineages, *A/*O1, *B and *O2. In Japanese, *A102 and *13101 were the predominant alleles with frequencies of 83% and 97% in each group, respectively, whereas in group O, two common alleles, *O101 (43%) and *O201 (53%), were observed. These results may be useful for the establishment of ABO genotyping, and these newly described ABO alleles would be advantageous indicators for population studies.

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Author information Authors and Affiliations
  1. Japanese Red Cross Tokyo Metropolitan Blood Center, 1-26-1 Kyonan-cho, Musashino-shi, 180, Tokyo, Japan

    Kenichi Ogasawara, Makoto Bannai, Ryuichi Yabe, Kenichi Nakata, Michiko Takenaka & Kiyoshi Fujisawa

  2. Laboratory of Evolutionary Genetics, National Institute of Genetics, Japan

    Naruya Saitou

  3. Japanese Red Cross Central Blood Center, Japan

    Makoto Uchikawa, Yoshihide Ishikawa, Takeo Juji & Katsushi Tokunaga

  4. Department of Human Genetics, Graduate School of International Health, University of Tokyo, Tokyo, Japan

    Katsushi Tokunaga

Authors
  1. Kenichi Ogasawara
  2. Makoto Bannai
  3. Naruya Saitou
  4. Ryuichi Yabe
  5. Kenichi Nakata
  6. Michiko Takenaka
  7. Kiyoshi Fujisawa
  8. Makoto Uchikawa
  9. Yoshihide Ishikawa
  10. Takeo Juji
  11. Katsushi Tokunaga
About this article Cite this article

Ogasawara, K., Bannai, M., Saitou, N. et al. Extensive polymorphism of ABO blood group gene: three major lineages of the alleles for the common ABO phenotypes. Hum Genet 97, 777–783 (1996). https://doi.org/10.1007/BF02346189

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