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Yoshinaga K, Oshio H, Prasetio B, et al. Four immunoglobulin isotypes and IgD splice variants in urodele amphibians. Dev Comp Immunol. 2020;116:103963doi: 10.1016/j.dci.2020.103963.
Yoshinaga, K., Oshio, H., Prasetio, B., Hayashida, H., Maeda, E., & Matsumoto, M. (2021). Four immunoglobulin isotypes and IgD splice variants in urodele amphibians. Developmental and comparative immunology, 116103963. https://doi.org/10.1016/j.dci.2020.103963
Yoshinaga, Keisuke, et al. "Four immunoglobulin isotypes and IgD splice variants in urodele amphibians." Developmental and comparative immunology vol. 116 (2021): 103963. doi: https://doi.org/10.1016/j.dci.2020.103963
Yoshinaga K, Oshio H, Prasetio B, Hayashida H, Maeda E, Matsumoto M. Four immunoglobulin isotypes and IgD splice variants in urodele amphibians. Dev Comp Immunol. 2021 Mar;116:103963. doi: 10.1016/j.dci.2020.103963. Epub 2020 Dec 07. PMID: 33301796.
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Dev Comp Immunol. 2021 Mar;116:103963. doi: 10.1016/j.dci.2020.103963. Epub 2020 Dec 07.

Four immunoglobulin isotypes and IgD splice variants in urodele amphibians.

Developmental and comparative immunology

Keisuke Yoshinaga, Hiroto Oshio, Billy Prasetio, Haruka Hayashida, Eriko Maeda, Mizuki Matsumoto

Affiliations

  1. Department of Biological and Chemical Systems Engineering, National Institute of Technology, Kumamoto College, Hirayama Shin-Machi 2627, Yatsushiro, Kumamoto, 866-8501, Japan. Electronic address: [email protected].
  2. Department of Biological and Chemical Systems Engineering, National Institute of Technology, Kumamoto College, Hirayama Shin-Machi 2627, Yatsushiro, Kumamoto, 866-8501, Japan.

PMID: 33301796 DOI: 10.1016/j.dci.2020.103963

Abstract

Until recently, different families of urodele amphibians were thought to express distinct subsets of immunoglobulin (Ig) isotypes. In this study, we explored cDNAs encoding Ig heavy-chains (H-chains) in three species of urodele amphibians. We found that Cynops pyrrhogaster, Pleurodeles waltl, and Ambystoma mexicanum each carry genes encoding four Ig H-chain isotypes, including IgM, IgY, IgD, and IgX, similar to those found in anuran amphibians. We also found that urodele IgDs have a long constant region similar to those found in anuran, reptiles, and bony fishes. We also found several putative IgD splice variants. Our findings indicated that P. waltl IgP is not a novel isotype but an IgD splice variant. Altogether, our findings indicate that IgD splice variants may be universally expressed among amphibian species.

Copyright © 2020 Elsevier Ltd. All rights reserved.

Keywords: Alternative splicing; Immunoglobulin D; Isotypes; Newt; Splice variants; Urodele amphibian

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