まとめ
単細胞生物である深海のクセノフィオフォールは,古代の痕跡化石パレオディクトイオンに似た複雑な堆積管ネットワークを作成します. この発見は,クセノフィオホルスがこれらの複雑な化石化したパターンの構築に責任があるかもしれないことを示唆しています.
科学分野:
- マリン・バイオロジー マリン・バイオロジー
- パレオントロジー・パレオントロジー
- 深海の生態学 深海の生態学
背景:
- エクセノフィオフォアは,深海に棲む単細胞生物で,大きくなっています.
- 化石の痕跡であるパレオディクトイオンは,複雑で多角形のネットワークを示しています.
- xenophyophoresとPaleodictyonの間の直接的なリンクは仮説化されていますが,確認されていません.
研究 の 目的:
- 現代のクセノフィオフォアが,化石の痕跡であるパレオディクトイオンに似た構造を作り出すにおける潜在的な役割を調査する.
- 深海のクセノフィオフォアの形状と,そのテスト構造を調べる.
主な方法:
- 日本溝から採取した箱核のサンプルを収集.
- クセノフィオフォア標本の顕微鏡検査.
- クセノフィオフォールのプラズマ体と沈殿体試験構造の分析.
主要な成果:
- 沈殿物の表面のすぐ下には,クセノフィオフォアが特定されました.
- この生物は,アナストモス化した沈殿体管の中に糸状のプラズマ体を持っています.
- テスト構造のネットワーク幾何学は,痕跡化石パレオディクトイオンに非常に似ています.
結論:
- 現代のクセノフィオフォアは,有機的に結合した堆積物管を構成する.
- 観察されたクセノフィオフォアのテスト構造は,ペリオディクトイオンの製造者としてのクセノフィオフォアに対する強力な証拠を提供します.
- クセノフィオフォアの体型図は,パレオディクトイオン化石で観察された正規幾何学を決定する可能性がある.
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