Jasus lalandei

The biosynthesis and metabolism of the insect moulting hormone, ecdysone have been the subject of recent reviews [184-186]. Ecdysone (107) was first isolated in a crystalline form from the silkworm, Bombyx mori, by Butenandt and Karlson in 1954, and the structure was determined in 1965. Soon after, the second moulting hormone was isolated and the structure was elucidated as 20-hydroxyecdysone (108). Ibe same hormone was also isolated from the sea-water crayfish, Jasus lalandei by Horn in 1966. Many ecdysone analogues were isolated from arthropods and certain... 

Fielder DR (1965) A dominance order for shelter in the spiny lobster Jasus lalandei (H. Milne-Edwards). Behaviour 24 236-245... 

Other ecdysteroids have been found in cmstaceans, particularly 2-deoxycmstecdysone, but the main source of ecdysteroids has been terrestrial plants, where they are present at much higher levels than in cmstaceans and insects. Thus, it took 1000 kg of shells of the lobster Jasus lalandei to obtain 2 mg of cmstecdysone and 3000 kg... 

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