Acute toxicity responses of two crustaceans, Americamysis bahia and Daphnia magna, to endocrine disrupters

Masashi Hirano, Hiroshi Ishibashi, Naomi Matsumura, Yukiko Nagao, Naoko Watanabe, Akiko Watanabe, Norio Onikura, Katsuyuki Kishi, Koji Arizono

研究成果: Contribution to journalArticle査読

35 被引用数 (Scopus)

抄録

The acute toxicity of endocrine disrupters in two crustaceans, Americamysis bahia (A. bahia) and Daphnia magna (D. magna), was investigated and the toxicological responses compared. Bisphenol A had the lowest toxicity to D. magna, the 48 hr median lethal concentrations (LC50) values was 12.8 mg/l. However, the toxic sensitivity of A. bahia to bisphenol A was approximately 10-fold higher than for D. magna (48 hr LC50; 1.34 mg/l). The 48 hr LC50 of estradiol-17β was 2.97 and 1.69 mg/l in D. magna and A. bahia, respectively. Nonylphenol had the highest lethal toxicity against both A. bahia (48 hr LC50; 0.051 mg/l) and D. magna (48 hr LC50; 0.18 mg/l). However, ecdysteroids, and ecdysteroidal activity insecticides, such as tebufenozide, and juvenile hormone analog, had no toxic effects against either A. bahia or D. magna at the concentrations tested in this study. These results suggest that A. bahia is a more suitable toxicity test organism for endocrine disrupters than D. magna because of the higher sensitivity of A. bahia to the toxicological effect.

本文言語英語
ページ(範囲)97-100
ページ数4
ジャーナルJournal of Health Science
50
1
DOI
出版ステータス出版済み - 2 1 2004
外部発表はい

All Science Journal Classification (ASJC) codes

  • Toxicology
  • Health, Toxicology and Mutagenesis

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