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1994 (1)
1Author    G. S. Tarn Eck Er3, P.B K Och3, S. M. Atsum Otob, T. M. Itsui5, D. BiickmRequires cookie*
 Title    Localization of the Pupal Melanization Reducing Factor of Inachis io (L.) and Comparison with Melanization and Reddish Coloration Hormone  
 Abstract    In Inachis io, a pupal melanization reducing factor (PMRF) which controls morphological color adaptation is located in the brain, suboesophageal ganglion, thoracic ganglia, and all abdominal ganglia. Higher PM RF am ounts were extracted from abdominal ganglia than from the anterior ganglia. No PMRF activity could be found in the Corpora cardiaca-Corpora allata complex, in segmentally branching nerves of abdominal ganglia and their connectives. Extracts from brain-thoracic ganglia and abdominal ganglia complex of I. io contained also a factor with melanization and reddish coloration hormone (MRCH) activity in Pseudaletia separata and with pherom one biosynthesis activating neuropeptide (PBAN) activity in Bom-byx mori. However, injection of synthetic Pseudaletia pheromonotropin (Pss-PT) (= Pss-MRCH) into prepupae of I. io did not yield a melanization reducing effect. Therefore, PMRF and the PBAN/M RCH related neuropeptides seem to be different molecules. The PBAN-like factor from I. io is possibly related to the myotropins and pyrokinins of insects. 
  Reference    Z. Naturforsch. 49c, 476—482 (1994); received March 22 1994 
  Published    1994 
  Keywords    Neurohorm one, Color Adaptation, Pupal Melanization Reducing Factor, Inachis io 
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 TEI-XML for    default:Reihe_C/49/ZNC-1994-49c-0476.pdf 
 Identifier    ZNC-1994-49c-0476 
 Volume    49