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  • 1
    Online Resource
    Online Resource
    Berlin, Heidelberg : Springer Spektrum
    Keywords: Bioökonomie ; Natural resources ; Natural Resource and Energy Economics ; Bioökonomie
    Type of Medium: Online Resource
    Pages: 1 Online-Ressource (V, 53 Seiten) , 14 Illustrationen
    ISBN: 9783662610053
    Series Statement: Zertifikatskurs Bioökonomie
    DDC: 333
    RVK:
    Language: German
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  • 2
    Online Resource
    Online Resource
    Berlin, Heidelberg : Springer
    Keywords: Natural resources ; Natural Resource and Energy Economics
    Type of Medium: Online Resource
    Pages: 1 Online-Ressource (XIII, 186 Seiten) , Illustrationen
    ISBN: 9783662614907
    DDC: 333
    Language: German
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  • 3
    Online Resource
    Online Resource
    Berlin, Heidelberg : Springer | Berlin, Heidelberg : Springer Spektrum
    Keywords: Bioökonomie ; Wertschöpfungskette ; Innovationspotenzial ; Natural resources ; Natural Resource and Energy Economics ; Lehrmittel ; Bioökonomie ; Wertschöpfungskette ; Innovationspotenzial
    Type of Medium: Online Resource
    Pages: 1 Online-Ressource (V, 45 Seiten) , 22 Illustrationen
    ISBN: 9783662610015
    Series Statement: Zertifikatskurs Bioökonomie
    DDC: 333
    RVK:
    Language: German
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  • 4
    Electronic Resource
    Electronic Resource
    Springer
    Applied microbiology and biotechnology 34 (1991), S. 617-622 
    ISSN: 1432-0614
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Summary The hom-thrB operon (homoserine dehydrogenase/homoserine kinase) and the thrC gene (threonine synthase) of Corynebacterium glutamicum ATCC 13 032 and the hom FBR (homoserine dehydrogenase resistant to feedback inhibition by threonine) alone as well as hom FBR-thrB operon of C. glutamicum DM 368-3 were cloned separately and in combination in the Escherichia coli/C. glutamicum shuttle vector pEK0 and introduced into different corynebacterial strains. All recombinant strains showed 8- to 20-fold higher specific activities of homoserine dehydrogenase, homoserine kinase, and/or threonine synthase compared to the respective host. In wild-type C. glutamicum, amplification of the threonine genes did not result in secretion of threonine. In the lysine producer C. glutamicum DG 52-5 and in the lysine-plus-threonine producer C. glutamicum DM 368-3 overexpression of hom-thrB resulted in a notable shift of carbon flux from lysine to threonine whereas cloning of hom FBR-thrB as well as of hom FBR in C. glutamicum DM 368-3 led to a complete shift towards threonine or towards threonine and its precursor homoserine, respectively. Overexpression of thrC alone or in combination with that of hom FBR and thrB had no effect on threonine or lysine formation in all recombinant strains tested.
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    FEMS microbiology letters 82 (1991), S. 0 
    ISSN: 1574-6968
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: Abstract: Different strains of Corynebacterium glutamicum, Brevibacterium flavum, and Brevibacterium lactofermentum were analysed for restriction fragment length polymorphism using the homoserine dehydrogenase gene (hom) as a probe. The hybridization patterns obtained PvuII- or Asp700-restriction of chromosomal DNA were specific and distinguishable for each of the three species and identical for the different strains of each species. Thus, the method employed allows rapid distinction of Corynebacterium glutamicum, Brevibacterium flavum, and Brevibacterium lactofermentum. The former species could also be discriminated from the latter two by its resistance to 0.5 g/l of the methionine analog ethionine.
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Biologie in unserer Zeit 28 (1998), S. 281-293 
    ISSN: 0045-205X
    Keywords: Life and Medical Sciences
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology
    Notes: Essentielle Aminosäuren sind Eiweißlig;bausteine, die der menschliche und tierische Stoffwechsel selbst nicht bereitstellen kann. Sie müssen mit der Nahrung aufgenommen werden. Der Bedarf wächst überdurchschnittlich mit den steigenden Ernährungsansprüchen der Weltbevölkerung, die in nur zwölf Jahren von jetzt sechs auf sieben Milliarden Menschen im Jahr 2010 zunehmen wird. Kann der Bedarf von der Agrarwirtschaft oder durch fermentative Herstellung und chemische Synthese gedeckt werden?
    Additional Material: 12 Ill.
    Type of Medium: Electronic Resource
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