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Identification of methyl farnesoate in the hemolymph of the Mediterranean deep-sea species Norway lobster, Nephrops norvegicus
Rotllant, G.; Pascual, N.; Sardá, F.; Takac, P.; Laufer, H. (2001). Identification of methyl farnesoate in the hemolymph of the Mediterranean deep-sea species Norway lobster, Nephrops norvegicus. J. Crust. Biol. 21(2): 328-333
In: Journal of Crustacean Biology. Crustacean Society: Washington. ISSN 0278-0372, more
Peer reviewed article  

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Keyword
    Marine

Authors  Top 
  • Rotllant, G.
  • Pascual, N.
  • Sardá, F., more
  • Takac, P.
  • Laufer, H.

Abstract
    Methyl farnesoate (MF) was identified for the first time in the hemolymph of Nephrops norvegicus from Mediterranean deep-sea waters (around 500 m) by gas chromatography-mass spectometry and quantified by liquid chromatography. The MF was present in females as well as in males, although no clear-cut differences between sexes were observed. Levels of MF found in the hemolymph of intact animals were 0.5-1.0 ng/ml irrespective of the sex. Although the observations are still limited, females showed oscillations in MF that seem to parallel the vitellogenic cycle. Eyestalk ablation, in both males and females, caused a 10-fold increase in MF hemolymph levels.

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