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1984 (1)
1Author    U. Bührlen, H. Emmerich, H. RemboldRequires cookie*
 Title    Titer of Juvenile Hormone III in Drosophila hydei during Metamorphosis Determined by GC-MS-MIS  
 Abstract    The titer of juvenile hormone III (JH-III) has been determined by the use of combined gas chromatography-mass spectroscopy (GC-MS) in whole body extracts of the larvae, prepupae, pupae and adults of Drosophila hydei. A characteristic JH-III titer curve was established by use of the hormone derivatives. No other juvenile hormone homologs were detected. JH-III shows a broad peak maximum of about 30 pmol/g fresh weight during the last larval instar, whereas only traces of the hormone are detectable at pupariation. Prepupae and pupae exhibit about the same JH-III level. In older pupae and in the pharate adults there was no JH-III detectable but it reappeared soon after emergence. Low values of JH-III are found in young male and female flies. The JH contents rise to distinct peaks in older and reproductive adults, both in male and female animals. 
  Reference    Z. Naturforsch. 39c, 1150—1154 (1984); received June 29 1984 
  Published    1984 
  Keywords    Juvenile Hormone, Drosophila hydei, Metamorphosis, Reproduction, Gas Chromatography-Mass Spectroscopy 
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 TEI-XML for    default:Reihe_C/39/ZNC-1984-39c-1150.pdf 
 Identifier    ZNC-1984-39c-1150 
 Volume    39