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  • Milkweed bug  (1)
  • PTTH  (1)
  • AIRCRAFT DESIGN, TESTING AND PERFORMANCE
  • Springer  (2)
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  • Springer  (2)
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  • 1
    Electronic Resource
    Electronic Resource
    Makisterone A: Its distribution and physiological role as the molting hormone of true bugs (1984)
    Springer
    Cellular and molecular life sciences 40 (1984), S. 996-997 
    Details
    ISSN: 1420-9071
    Keywords: Milkweed bug ; Oncopeltus fasciatus ; makisterone A ; molting hormone ; ecdysteroid
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary Makisterone A, a 28-carbon (C-24 alkyl) hexahydroxy steroid, has been identified by mass spectrometry as the major ecdysteroid in last-stage larvae of the large milkweed bug,Oncopeltus fasciatus, a phytophagous hemipteran. Similarly, it is a major molting hormone in 2 phytophagous and 1 predacious species of Hemiptera belonging to the group, Pentatomomorpha. It is not, however, a major ecdysteroid in another group of Hemiptera, the Cimicomorpha, where 1 predacious and 2 hematophagous species contain ecdysone and 20-hydroxyecdysone as their major molting hormones.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01946477
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    The insect gut: A new source of ecdysiotropic peptides (1991)
    Springer
    Cellular and molecular life sciences 47 (1991), S. 77-80 
    Details
    ISSN: 1420-9071
    Keywords: PTTH ; ecdysteroids ; ketoreductase ; proctodaeum ; prothoracic glands
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary Proctodaea of European corn borer (Ostrinia nubilalis) and gypsy moth (Lymantria dispar) last instars (larvae) contain prothoracicotropic factors that stimulate the prothoracic glands (PGs) of the gypsy moth to produce both ecdysone and 3-dehydroecdysone (precursors to the insect molting hormone) in a dose-dependent manner. In a separate in vivo assay, injections of proctodaeal extracts into gypsy moth larvae that were head-ligated before the release of the molt-stimulating brain hormone, PTTH, resulted in a pupal molt.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02041259
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    Paper (German National Licenses)
    Fulltext
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