, Volume 55, Issue 10, pp 695–705 | Cite as

Nucleotide sequencing analysis of the swine 433-kb genomic segment located between the non-classical and classical SLA class I gene clusters

  • Atsuko Shigenari
  • Asako Ando
  • Christine Renard
  • Patrick Chardon
  • Takashi Shiina
  • Jerzy K. Kulski
  • Hiroshi Yasue
  • Hidetoshi Inoko
Original Paper


Genome analysis of the swine leukocyte antigen (SLA) region is needed to obtain information on the MHC genomic sequence similarities and differences between the swine and human, given the possible use of swine organs for xenotransplantation. Here, the genomic sequences of a 433-kb segment located between the non-classical and classical SLA class I gene clusters were determined and analyzed for gene organization and contents of repetitive sequences. The genomic organization and diversity of this swine non-class I gene region was compared with the orthologous region of the human leukocyte antigen (HLA) complex. The length of the fully sequenced SLA genomic segment was 433 kb compared with 595 kb in the corresponding HLA class I region. This 162-kb difference in size between the swine and human genomic segments can be explained by indel activity, and the greater variety and density of repetitive sequences within the human MHC. Twenty-one swine genes with strong sequence similarity to the corresponding human genes were identified, with the gene order from the centromere to telomere of HCR - SPR1 - SEEK1 - CDSN - STG - DPCR1 - KIAA1885 - TFIIH - DDR - IER3 - FLOT1 - TUBB - KIAA0170 - NRM - KIAA1949 - DDX16 - FLJ13158 - MRPS18B - FB19 - ABCFI - CAT56. The human SEEK1 and DPCR1 genes are pseudogenes in swine. We conclude that the swine non-class I gene region that we have sequenced is highly conserved and therefore homologous to the corresponding region located between the HLA-C and HLA-E genes in the human.


MHC class I region Swine genome Indel Non-class I genes Repeat elements 



We would like to thank Dr. Yasunari Matsuzaka, Akihiro Denda, and Gen Tamiya, for helpful information regarding the human novel genes surrounding the CDSN gene. We also wish to thank Dr. Tetsushi Yamagata and Tatsuya Anzai for useful discussion. This study was supported by grants from the Ministry of Education, Sports, Science, Culture and Technology, Japan, and the Animal Genome Research Project of the Ministry of Agriculture, Forestry and Fisheries of Japan.


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Copyright information

© Springer-Verlag 2004

Authors and Affiliations

  • Atsuko Shigenari
    • 1
  • Asako Ando
    • 1
  • Christine Renard
    • 2
  • Patrick Chardon
    • 2
  • Takashi Shiina
    • 1
  • Jerzy K. Kulski
    • 1
    • 3
  • Hiroshi Yasue
    • 4
  • Hidetoshi Inoko
    • 1
  1. 1.Department of Molecular Life Science, Division of Basic Medical Science and Molecular MedicineTokai University School of MedicineKanagawaJapan
  2. 2.Laboratoire de Radiobiologie et d’Etude du GenomeINRA-CEAJouy-en-JosasFrance
  3. 3.Centre for Bioinformatics and Biological Computing, School of Information Technology, Division of ArtsMurdoch UniversityMurdochAustralia
  4. 4.Genome Research DepartmentNational Institute of Agrobiological SciencesIbarakiJapan

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