Cytotoxic Antifeedant from Dionaea muscipula Ellis: A Defensive Mechanism of Carnivorous Plants against Predators

Takashi Tokunaga, Atsushi Dohmura, Noboru Takada, Minoru Ueda

Research output: Contribution to journalArticle

15 Citations (Scopus)

Abstract

We revealed that Dionaea muscipula Ellis accumulates a great amount of cytotoxic naphthoquinone derivatives, of which the main component is plumbagin (1). It was also revealed that 1 showed strong antifeedant activity against Spodoptera litura. These results strongly suggest that 1 in D. muscipula operates as an antifeedant which prevents them from being consumed by predators. The accumulation of a great amount of 1 would be an important strategy of carnivorous plants for their survival. Also, we discuss the structure-activity relationship of the cytotoxicity of naphthoquinones using isolated naphthoquinones and their derivatives.

Original languageEnglish
Pages (from-to)537-541
Number of pages5
JournalBulletin of the Chemical Society of Japan
Volume77
Issue number3
DOIs
Publication statusPublished - 2004 Mar 1
Externally publishedYes

ASJC Scopus subject areas

  • Chemistry(all)

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