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  • Articles  (2)
  • Gene expression  (1)
  • Heliothis  (1)
  • 1
    Electronic Resource
    Electronic Resource
    Acyl fluorides as reactive mimics of aldehyde pheromones: hyperactivation and aphrodisiac inHeliothis virescens (1986)
    Springer
    Cellular and molecular life sciences 42 (1986), S. 964-966 
    Details
    ISSN: 1420-9071
    Keywords: Acid fluoride ; aldehyde ; mating disruption ; pheromone analogs ; Heliothis ; Lepidoptera ; fluorination
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary Substitution of fluorine for the aldehydic hydrogen provides behaviorally active, chemically reactive pheromone mimics. In male moths of the tobacco budwormHeliothis virescens, Z9–14:Acf and Z11–16:Acf cause hyperactivity and irreversible extension of the genitalia in over 80% of treated moths. In addition, a combination of the two components leads to 10–50% of the pairs involving one treated partner becoming locked in copula.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01941782
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  • 2
    Electronic Resource
    Electronic Resource
    Embryonic expression of the engrailed homologue of Rhynchosciara americana (1996)
    Springer
    Development genes and evolution 205 (1996), S. 432-436 
    Details
    ISSN: 1432-041X
    Keywords: engrailed ; Embryonic development ; Gene expression ; Segmentation ; Rhynchosciara americana
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract The segment polarity gene engrailed is involved in the determination of segment posterior identity in Drosophila. engrailed has been largely used for comparative developmental studies due to its evolutionary conservation from nematodes to humans. By in situ hybridization of an engrailed cDNA probe from Drosophila to polytene chromosomes of fourth instar larvae of Rhynchosciara americana we have shown that engrailed-like sequences must be localized in band 6 of chromosome A in this species. The pattern of engrailed protein expression during R. americana embryo development is diffuse at first evolving into a nuclear striped pattern after quite a length of time. In addition, our results suggest a possible developmentally regulated molecular modification of engrailed protein in R. americana embryos.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00377223
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    Paper (German National Licenses)
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