Literature DB >> 6037858

Insect hormones: alpha ecdysone and 20-hydroxyecdysone in bracken fern.

J N Kaplanis, M J Thompson, W E Robbins, B M Bryce.   

Abstract

The two major molting hormones of insects, alpha ecdysone and 20-hydroxyecdysone, were isolated in crystalline form from dry pinnae of the bracken fern, Pteridium aquilinum (L.) Kuhn. Three unidentified substances with molting hormone activity were also detected. Bracken is the first plant found to contain both of the major insect ecdysones, and it is the first known plant source of alpha ecdysone.

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Year:  1967        PMID： 6037858     DOI： 10.1126/science.157.3795.1436

Source DB:  PubMed          Journal:  Science        ISSN： 0036-8075            Impact factor:   47.728


  5 in total

1.  Studies on insect moulting hormones: biosynthesis of ponasterone A and ecdysterone from [2-14C] mevalonate in Taxus baccata.

Authors:  N J De Souza; E L Ghisalberti; H H Rees; T W Goodwin
Journal:  Biochem J       Date:  1969-10       Impact factor: 3.857

2.  The resistance of Pteridium aquilinum (L.) Kuhn to insect attack by Trichoplusia ni (Hübn.).

Authors:  Stephen D Hendrix
Journal:  Oecologia       Date:  1977-12       Impact factor: 3.225

3.  Microsomal oxidation of allelochemicals in generalist (Spodoptera frugiperda) and semispecialist (Anticarsia gemmatalis) insect.

Authors:  S J Yu
Journal:  J Chem Ecol       Date:  1987-03       Impact factor: 2.626

4.  Different feeding and gustatory responses to ecdysone and 20-hydroxyecdysone by larvae of the silkworm,Bombyx mori.

Authors:  Y Tanaka; K Asaoka; S Takeda
Journal:  J Chem Ecol       Date:  1994-01       Impact factor: 2.626

5.  Isolation of crustecdysone (20R-hydroxyecdysone) from a crayfish (Jasus lalandei H. Milne-Edwards).

Authors:  D H Horn; S Fabbri; F Hampshire; M E Lowe
Journal:  Biochem J       Date:  1968-09       Impact factor: 3.857
  5 in total

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