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  • 1
    Electronic Resource
    Electronic Resource
    Berlin : Wiley-Blackwell
    Acta Biotechnologica 10 (1990), S. 382-384 
    ISSN: 0138-4988
    Keywords: Life Sciences ; Life Sciences (general)
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Process Engineering, Biotechnology, Nutrition Technology
    Notes: Dihydrodipicolinate synthase activity of lysine producing strain of Bacillus megaterium and its high yielding mutant AECr 60f was highest during the end of the exponential phase and remained at the same level during the stationary phase when major bulk of lysine was accumulated. In comparision in a lysine non producing strain of B. megaterium the activity of the enzyme was low. Lysine producing strains has DHD synthase with two specialities, persistence during the stationary phase and insensitivity to repression by exogenous lysine. The high yielding mutant has increased DHD synthase activity which was not sensitive to feed back inhibition with lysine.
    Additional Material: 2 Tab.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
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  • 2
    Electronic Resource
    Electronic Resource
    Berlin : Wiley-Blackwell
    Acta Biotechnologica 3 (1983), S. 217-220 
    ISSN: 0138-4988
    Keywords: Life Sciences ; Life Sciences (general)
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Process Engineering, Biotechnology, Nutrition Technology
    Notes: Activity of DAP-decarboxylase in lysine overproducing strains of Micrococcus luteus, M. varians and Arthrobacter globiformisLb reached the highest level during the end of the exponetial phase of growth and remained at the same high level during the stationary phase of growth when major bulk of lysine was accumulated. In comparison in a lysine non-producing strain of Arthrobacter globiformis I 4 the activity of the same enzyme was low. DAP-decarboxylase of these three lysine overproducers has two specialities, persistence during the stationary phase and insensivity to repression by exogenous lysine.
    Additional Material: 2 Tab.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
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