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Identificaiton of methyl farnesoate in the cypris larva of the barnacle, Balanus amphitrite, and its role as a juvenile hormone

Lookup NU author(s): Professor Tony Clare


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Previous investigations have shown that insect juvenile hormone (JH) and its analogues induce precocious metamorphosis of barnacle cypris larvae. In the present study, methyl farnesoate (MF; structurally identical to JH III, except for the absence of an epoxide group) has been shown to have a concentration-dependent effect on the development of cyprids of the barnacle Balanus amphitrite. Analysis of cypris extracts by gas chromatography–mass spectrometry with selected ion monitoring (GC–MS–SIM) confirmed the presence of endogenous MF. These data provide evidence that MF functions as a juvenilizing hormone in barnacle cyprids, an effect that hitherto has not been noted.

Publication metadata

Author(s): Smith PA, Clare AS, Rees HH, Prescott MC, Wainwright G, Thorndyke MC

Publication type: Article

Publication status: Published

Journal: Insect Biochemistry and Molecular Biology

Year: 2000

Volume: 30

Issue: 8-9

Pages: 885-890

ISSN (print): 0965-1748

ISSN (electronic): 1879-0240

Publisher: Pergamon


DOI: 10.1016/S0965-1748(00)00062-X


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