Molecular characterization of MHC class I and beta-2 microglobulin in a clonal strain of ginbuna crucian carp, Carassius auratus langsdorfii

Shinji Urabe, Tomonori Somamoto, Shiro Sameshima, Yoko Unoki-Kato, Teruyuki Nakanishi, Miki Nakao

研究成果: ジャーナルへの寄稿記事

8 引用 (Scopus)

抄録

Clonal ginbuna crucian carp is, a naturally gynogenetic fish, and is a useful model animal for studying T-cell-mediated immunity. To gain molecular information on MHC class I molecules from this species, we have identified four types of MHC class I (caauUA-S3n, caauUF-S3n, caauZE-S3n, and caauZB-S3n) and five beta 2-microglobulin (β2m) (caauβ2m-1a, caauβ2m-1b, caauβ2m-2, caauβ2m-3a and caauβ2m-3b) by an expressed sequence tag (EST) analysis and using homology cloning with degenerated primers. Like UA class I genes in other cyprinid fish, the caauUA-S3n shows features of classical MHC class I, such as conservation of all key amino acids interacting with antigenic peptides, and ubiquitous tissue expression. A phylogenetic analysis shows that the β2m-1 and β2m-2 isoforms are clustered with those of other cyprinid fishes, while β2m-3 isoforms make a cluster that is separated from a common ancestor of salmonid and cyprinid fishes. This finding suggests that the β2m isoforms of ginbuna cruician carp comprise two lineages and may possess different functions. The MHC class I and β2m sequences from one clonal strain will facilitate our understanding of the interaction of MHC class I with β2m in teleosts.

元の言語英語
ページ(範囲)469-474
ページ数6
ジャーナルFish and Shellfish Immunology
31
発行部数3
DOI
出版物ステータス出版済み - 1 1 2011

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Carassius
beta 2-Microglobulin
Carassius auratus
Fish
cyprinid
Protein Isoforms
fish
T-cells
Cloning
Expressed Sequence Tags
salmonid
common ancestry
immunity
expressed sequence tags
teleost
homology
carp
cell-mediated immunity
peptide
molecular cloning

All Science Journal Classification (ASJC) codes

  • Environmental Chemistry
  • Aquatic Science

これを引用

Molecular characterization of MHC class I and beta-2 microglobulin in a clonal strain of ginbuna crucian carp, Carassius auratus langsdorfii. / Urabe, Shinji; Somamoto, Tomonori; Sameshima, Shiro; Unoki-Kato, Yoko; Nakanishi, Teruyuki; Nakao, Miki.

:: Fish and Shellfish Immunology, 巻 31, 番号 3, 01.01.2011, p. 469-474.

研究成果: ジャーナルへの寄稿記事

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abstract = "Clonal ginbuna crucian carp is, a naturally gynogenetic fish, and is a useful model animal for studying T-cell-mediated immunity. To gain molecular information on MHC class I molecules from this species, we have identified four types of MHC class I (caauUA-S3n, caauUF-S3n, caauZE-S3n, and caauZB-S3n) and five beta 2-microglobulin (β2m) (caauβ2m-1a, caauβ2m-1b, caauβ2m-2, caauβ2m-3a and caauβ2m-3b) by an expressed sequence tag (EST) analysis and using homology cloning with degenerated primers. Like UA class I genes in other cyprinid fish, the caauUA-S3n shows features of classical MHC class I, such as conservation of all key amino acids interacting with antigenic peptides, and ubiquitous tissue expression. A phylogenetic analysis shows that the β2m-1 and β2m-2 isoforms are clustered with those of other cyprinid fishes, while β2m-3 isoforms make a cluster that is separated from a common ancestor of salmonid and cyprinid fishes. This finding suggests that the β2m isoforms of ginbuna cruician carp comprise two lineages and may possess different functions. The MHC class I and β2m sequences from one clonal strain will facilitate our understanding of the interaction of MHC class I with β2m in teleosts.",
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