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  • Inhibition of induction  (1)
  • reproduction  (1)
  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Archives of microbiology 125 (1980), S. 111-114 
    ISSN: 1432-072X
    Keywords: Streptomyces violaceus ; β-Galactosidase ; Inhibition of induction ; Glucose and analogues ; Galactose uptake inhibition
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Various carbon compounds inhibited galactose induced synthesis of a β-galactosidase activity in Streptomyces violaceus. Glucose and 2-deoxyglucose, but not methyl-α-d-glucose, caused inhibition of galactose uptake activity. In addition, glucose, or one of its metabolites, inhibited the synthesis of the glactose uptake system. Therefore it is concluded that the main inhibitory activity of glucose on galactose induced enzyme synthesis is exerted through inducer exclusion. Other carbon sources, such as d-ribose, d-gluconate, cellobiose or dl-α-glycerophosphate, did not inhibit uptake of the inducer galactose and may exert their effect through catabolite repression, inactivation or direct enzyme inhibition.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    European journal of population 14 (1998), S. 291-301 
    ISSN: 1572-9885
    Keywords: fertility ; historical demography ; marital fertility ; Navarre ; reproduction ; Spain
    Source: Springer Online Journal Archives 1860-2000
    Topics: Sociology
    Notes: Abstract The continued decline of marital fertility in Navarre (Spain) during the first few decades of the twentieth century was associated with an increase in life expectancy and greater survival to adulthood. This decline affected all social strata and all geographical regions, rural areas as well as cities. Nonetheless, the decline was not homogeneous. Some sectors of Navarrese society began the fertility transition earlier than others. Cross sectional analysis is presented for different years of diverse variables that could be related to the levels of marital fertility: level of urbanization, occupation of the father, level of religious devotion and political factors. Statistical evidence is presented that confirms the relationship of these variables to the levels of fertility.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
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