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  • 1
    Electronic Resource
    Electronic Resource
    Ecdysteroid binding activity in embryos of drosophila melanogaster (1982)
    New York, N.Y. : Wiley-Blackwell
    Journal of Cellular Biochemistry 20 (1982), S. 277-282 
    Details
    ISSN: 0730-2312
    Keywords: Drosophila embryos ; imaginal discs ; ecdysteroid receptor ; 20-hydroxyecdysone ; ponasterone A ; Life and Medical Sciences ; Cell & Developmental Biology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Chemistry and Pharmacology , Medicine
    Notes: Ecdysteroid binding proteins have been found in nuclei of Drosophila melanogaster embryos. Comparison of results derived from Scatchard analysis, analogue binding competition, and sucrose gradient centrifugation has revealed no significant differences between the properties of the putative embryonic receptor and those of the receptor found in imaginal disks or Kc cells.
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jcb.240200307
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Use of promoter fusions in Drosophila genetics: Characterization of a YP1-ADH fusion gene (1989)
    Chichester [u.a.] : Wiley-Blackwell
    Developmental Genetics 10 (1989), S. 24-32 
    Details
    ISSN: 0192-253X
    Keywords: Drosophila melanogaster ; Yolk protein ; Alcohol dehydrogenase ; Life and Medical Sciences ; Genetics
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology
    Notes: In Drosophila melanogaster the yolk protein (YP) genes are normally expressed only in the fat body and follicular epithelium of adult females-never in males or in larvae. We describe here a first step toward a genetic examination of the developmental controls that restrict the activity of the YP genes to adult female tissues. A YP1 promoter that contains the tissue-, temporal-, and sex-specific controlling elements for expression was fused to the reporter gene, alcohol dehy-drogenase (Adh). The gene fusion was transformed into an Adh-deficient genotype. As assayed by a number of criteria, that the fusion gene is expressed in the same physiological manner as the endogenous yolk protein genes. The fusion gene's activity is modulated in trans by a temperature-sensitive allele of the sex determination gene, tra-2. The Adh enzyme serves as a selectable marker and therefore these flies are suitable for use in genetic screens for trons-acting mutations that affect the expression of the yolk protein genes.
    Additional Material: 8 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/dvg.1020100105
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    Paper (German National Licenses)
    Fulltext
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