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  • 1960-1964  (3)
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Year
  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Cellular and molecular life sciences 18 (1962), S. 133-134 
    ISSN: 1420-9071
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary The oxidation of succinic-, malic-, and α-ketoglutaric acid by cauliflower mitochondria is slowed down by strong visible light. The cytochrome-c-oxidase activity is also inhibited by light and the pigment is completely reduced in time. It is concluded that the Krebscycle is inhibited by light.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Planta 58 (1962), S. 154-163 
    ISSN: 1432-2048
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Description / Table of Contents: Summary Illumination of yeast cells with strong visible light results in an inhibition of the aerobic glucose metabolism. However, under these conditions the carbon dioxide output remains constant, so that the RQ rises to high values in time. The absorption bands of the cytochromes show that these pigments are reduced by light. The conclusion is that light inhibits the Krebs cycle. It also causes a strong inhibition of yeast growth.
    Notes: Zusammenfassung Belichtung von Hefezellen mit starkem sichtbarem Licht verursacht eine Hemmung des aeroben Umsatzes von Glucose. Unter den gleichen Bedingungen bleibt jedoch die CO2-Abgabe konstant, so daß sich hohe RQ-Werte ergeben. Die Absorptionsbanden der Cytochrome zeigen, daß diese Pigmente im Licht in den reduzierten Zustand übergehen. Es wird auf eine lichtbedingte Hemmung des Krebscyclus geschlossen. Das Wachstum der Hefe ist im Licht ebenfalls stark beeinträchtigt.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    Planta 58 (1962), S. 193-198 
    ISSN: 1432-2048
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Description / Table of Contents: Summary The red bracts of the spurgeEuphorbia pulcherrima (Poinsettia) undergo a pronounced and persistent decrease of their respiration by light. The amount of this inhibition is equivalent to the respiratory decrease caused by malonic acid. In bracts poisened by malonic acid no additional obstruction of the respiration occurs with light. It is concluded, that light intervenes with the Krebs cycle.
    Notes: Zusammenfassung Die roten Hochblätter vonEuphorbia pulcherrima erfahren im Licht eine starke und andauernde Hemmung der Atmung. Das Ausmaß dieser Atmungsbehinderung stimmt mit der durch Malonsäure erreichbaren Hemmung überein. Malonsäure-gehemmtes Blattgewebe erfährt im Licht keine zusätzliche Hemmung. Es wird gefolgert, daß im Licht der Ablauf des Krebscyclus unterbunden wird.
    Type of Medium: Electronic Resource
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