ENDOCRINE CONTROL OF APOLYSIS IN RHITHROPANOPEUS HARRISII LARVAE

ENDOCRINE CONTROL OF APOLYSIS IN RHITHROPANOPEUS HARRISII LARVAE

ABSTRACT 20-Hydroxyecdysone (20-HE) stimulated the initiation of premolt (apolysis) in third and fourth instar Rhithropanopeus harrisii larvae in vivo and in spines explanted from third and fourth instar larvae in vitro. The premolt-initiating activity of 20-HE, in vitro, was inhibited by extracts o...

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Veröffentlicht in:Journal of crustacean biology 1984-01, Vol.4 (1), p.1-6
Hauptverfasser: Freeman, John A, Costlow, John D
Format: Artikel
Sprache:eng
Schlagworte:
Apolysis
Crabs
Crustaceans
Epidermis
Hormones
Insect larvae
Instars
Larvae
Larval development
Marine
Molting
Rhithropanopeus harrisii
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Zusammenfassung:ABSTRACT 20-Hydroxyecdysone (20-HE) stimulated the initiation of premolt (apolysis) in third and fourth instar Rhithropanopeus harrisii larvae in vivo and in spines explanted from third and fourth instar larvae in vitro. The premolt-initiating activity of 20-HE, in vitro, was inhibited by extracts of third or fourth instar zocae, megalopae, and shrimp eyestalks. The results suggest that apolysis in crab larvae may be controlled by both 20-HE and MIH.
ISSN:0278-0372
1937-240X
DOI:10.1163/1937240X84X00011