An S-like ribonuclease gene is used to generate a trap-leaf enzyme in the carnivorous plant Drosera adelae

Takahiro Okabe, Yoshimoto Iwakiri, Hitoshi Mori, Tomohisa Ogawa, Takashi Ohyama*

*この研究の対応する著者

研究成果: Article査読

16 被引用数 (Scopus)

抄録

Carnivorous plants usually grow in nutrient-deficient habitats, and thus they partly depend on insects for nitrogen and phosphate needed for amino acid and nucleotide synthesis. We report that a sticky digestive liquid from a sundew, Drosera adelae, contains an abundant amount of an S-like ribonuclease (RNase) that shows high amino acid-sequence similarity to S-like RNases induced by phosphate starvation or wounding in normal plants. By giving leaves an RNase "coat", D. adelae seems to achieve two requirements simultaneously to adapt itself to its specific surroundings: it obtains phosphates from insects, and defends itself against pathogen attack.

本文言語English
ページ(範囲)5729-5733
ページ数5
ジャーナルFEBS Letters
579
25
DOI
出版ステータスPublished - 2005 10 24
外部発表はい

ASJC Scopus subject areas

  • 生物理学
  • 構造生物学
  • 生化学
  • 分子生物学
  • 遺伝学
  • 細胞生物学

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