甲期の珀の食肉菌は,白期の珀に由来する
Alexander R Schmidt1, Heinrich Dörfelt, Vincent Perrichot
1Museum für Naturkunde der Humboldt-Universität zu Berlin, Invalidenstrasse 43, 10115 Berlin, Germany. alexander.schmidt@museum.hu-berlin.de
Science (New York, N.Y.)
|December 15, 2007
まとめ
恐竜の時代から化石化した肉食キノコは,1億年前の珀で発見されました. これらの古代の真菌は,ヒファリングでネマトードを捕まえて,ユニークな特徴を示し,そのような捕食戦略の独立した進化を示しています.
科学分野:
- パレオミコロジー (古生物学)
- 進化生物学の進化生物学について
- 化石科学は,化石の科学である.
背景:
- 肉食キノコは,特殊な捕獲メカニズムで知られている.
- 古代の真菌生物の化石の証拠は稀であり,特に保存された相互作用がある.
研究 の 目的:
- 新しく発見された化石化した食肉菌を記述し,分類する.
- 菌類の肉食性の進化史を調査する.
主な方法:
- クレタケイア時代の珀で保存された化石化した真菌の分析.
- キノコの構造 (ヒファリング) と関連する獲物 (ネマトード) の顕微鏡検査.
- 現存する (現存する) 肉食性の真菌群との比較分析.
主要な成果:
- 約1億年前に遡る肉食キノコの化石の発見.
- 菌類は,小さなネマトードを捕まえるためにヒファリングを使用した.
- 化石は,リング形成と生命周期において,現代の肉食性菌類とは異なるユニークな特徴を示しています.
- アンバーの優れた保存は,詳細な形態学的研究を容易にした.
結論:
- 肉食性キノコの生態学的ニッチは,白亜紀の間,様々なグループによって占められていた.
- 菌類を捕まえる装置は,地球の歴史を通じて,独立して何度も進化した.
- この発見は,古代の真菌の生物多様性と捕食者の適応についての理解を広げています.
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