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Title: Structure and polymorphisms of the major histocompatibility complex in the Oriental stork, Ciconia boyciana
Authors: Tsuji, Hiroki
Taniguchi, Yukio  kyouindb  KAKEN_id  orcid (unconfirmed)
Ishizuka, Shintaro
Matsuda, Hirokazu
Yamada, Takahisa
Naito, Kazuaki
Iwaisaki, Hiroaki
Author's alias: 谷口, 幸雄
松田, 洋和
祝前, 博明
Issue Date: 17-Feb-2017
Publisher: Springer Nature
Journal title: Scientific Reports
Volume: 7
Thesis number: 42864
Abstract: The major histocompatibility complex (MHC) is highly polymorphic and plays a central role in the vertebrate immune system. Despite its functional consistency, the MHC genomic structure differs substantially among organisms. In birds, the MHCs of Galliformes and the Japanese crested ibis (Pelecaniformes) are well-characterized, but information about other avian MHCs remains scarce. The Oriental stork (Ciconia boyciana, order Ciconiiformes) is a large endangered migrant. The current Japanese population of this bird originates from a few founders; thus, understanding the genetic diversity among them is critical for effective population management. We report the structure and polymorphisms in C. boyciana MHC. One contig (approximately 128 kb) was assembled by screening of lambda phage genomic library and its complete sequence was determined, revealing a gene order of COL11A2, two copies of MHC-IIA/IIB pairs, BRD2, DMA/B1/B2, MHC-I, TAP1/2, and two copies each of pseudo MHC-I and TNXB. This structure was highly similar to that of the Japanese crested ibis, but largely different from that of Galliformes, at both the terminal regions. Genotyping of the MHC-II region detected 10 haplotypes among the six founders. These results provide valuable insights for future studies on the evolution of the avian MHCs and for conservation of C. boyciana.
Rights: This work is licensed under a Creative Commons Attribution 4.0 International License. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in the credit line; if the material is not included under the Creative Commons license, users will need to obtain permission from the license holder to reproduce the material. To view a copy of this license, visit
DOI(Published Version): 10.1038/srep42864
PubMed ID: 28211522
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