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

Research output: Contribution to journalArticle

13 Citations (Scopus)

Abstract

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.

Original languageEnglish
Pages (from-to)5729-5733
Number of pages5
JournalFEBS Letters
Volume579
Issue number25
DOIs
Publication statusPublished - 2005 Oct 24

Keywords

  • Carnivorous plants
  • Drosera adelae
  • Phosphate starvation
  • S-like ribonuclease
  • Wound response

ASJC Scopus subject areas

  • Biophysics
  • Structural Biology
  • Biochemistry
  • Molecular Biology
  • Genetics
  • Cell Biology

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