Shark repellent substances of soles: Their structure determination toward rationality.

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  • ウシノシタ魚類のサメ忌避物質　　論理性を目指した構造決定
  • ウシノシタ ギョルイ ノ サメ キヒ ブッシツ ロンリセイ オ メザシタ コウ
  • Their Structure Determination toward Rationality
  • 論理性を目指した構造決定

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Abstract

Two classes of shark repellent factors have been isolated, guided by their ichthyotoxicity, from the defense secretions of two species of soles. One class comprises series of steroid monoglycosides, namely, pavoninins from a western Pacific species, Pardachirus pavoninus, and mosesins from the other in the Red Sea known as Moses sole, P. marmoratus. The other class consists of a series of surfactant peptides of 33 amino acid residues, pardaxins. This account deals with structure elucidation of these factors, where emphasis is put on the process from inference of chemical structures by spectroscopic and other customary techniques to their establishment by design of unconventional but firmly corroborative experiments. Diverse bioactivity of these factors is also discussed based on rationale with their amphiphilic structures, which are destined to interact with biological lipid bilayer membranes.

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