昆虫 の 遺伝学 "植物遺伝学 は 昆虫 の 進化 の タイミング と パターン を 解明 する"に関する コメント
K Jun Tong1, Sebastián Duchêne1, Simon Y W Ho1
1School of Biological Sciences, University of Sydney, Sydney NSW 2006, Australia.
Science (New York, N.Y.)
|August 1, 2015
まとめ
昆虫の進化は かつて考えられていたよりも ずっと早く起きたのです ゲノムスケールのデータを再分析すると 重要な昆虫群が 進化の時間軸を修正して 1億年ほど早く出現したことを示唆しています
科学分野:
- 進化生物学
- ゲノミクス
- 昆虫学
背景:
- 以前の研究では ゲノムスケールのデータを用いて 昆虫の進化的関係と時間軸を推論した.
- Misof et al (ミソフなど) (2014) は,昆虫の順序の進化の時間スケールを提供した.
研究 の 目的:
- Misof et al が使用したゲノムスケールのデータセットを再分析する.
- 昆虫の進化の時間尺度における 系統的な過小評価を特定する
主な方法:
- 既存のゲノムスケールデータの再分析
- 進化の時間スケールの比較分析
主要な成果:
- Misof et al が採用した方法論 昆虫の進化の時間尺度を 低評価することになったのです
- 昆虫の主要なグループは,これまで考えられていたよりも1億年早く進化した.
結論:
- 昆虫の進化の歴史は,以前の分析によって示唆されたよりもかなり古い.
- 改訂された進化の時間軸は 昆虫の多様化を理解するために不可欠です
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