Self and Nonself Recognition in a Marine Sponge, Halichondria japonica (Demospongiae)
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説明
The function of allogeneic recognition in a marine sponge, Halichondria japonica, was examined by use of cut pieces contact assay. Individuals of this species were able to distinguish an allogeneic individual from an autogeneic one, and showed rejection reactions against allogeneic individuals. There were two types of allogeneic rejection reaction: barrier formation at the contact area to separate from allogeneic individuals and necrosis with cytotoxic reactions at the contact area. In both types of rejection reactions, mesohyl cells accumulate at the contact area at the early stages of the rejection reaction. Fusion between two pieces of allogeneic individuals was very rare, and in most of combinations of allogeneic individuals rejection reactions appeared at the contact area. Xenogeneic rejections were also observed. Halichondria japonica showed rejection reaction against individuals of Halichondria okadai, but the intensity of rejection was less than that of allogeneic rejection.
収録刊行物
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- Zoological science
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Zoological science 30 (8), 651-657, 2013-08
Tokyo : Zoological Society of Japan
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詳細情報 詳細情報について
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- CRID
- 1523669555335296896
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- NII論文ID
- 40019728996
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- NII書誌ID
- AA10545874
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- ISSN
- 02890003
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- NDL書誌ID
- 024737584
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- PubMed
- 23915158
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- 本文言語コード
- en
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- NDL 雑誌分類
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- ZR4(科学技術--生物学--動物)
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- データソース種別
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- NDL
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