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Beiträge zum Stickstoffmetabolismus in grünen Pflanzen. I. Die reversible Plastidenumwandlung in glucosestimulierten Kulturen vonSpirodela oligorrhiza, eine Folge von Stickstoffmangel

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Summary

The regeneration of plastids ofSpirodela oligorrhiza grown on a glucose-containing nutrient was investigated. Yellow leaflets transferred to a fresh nutrient turn green again and the lamellar system of their plastids regenerates within 2 days, whether or not exogenous glucose is present in the medium. Green leaflets of the same plant transferred weekly to a fresh nutrient containing glucose keep their green coloration over a period of at least 32 days. It is concluded that in glucose-stimulated plants changes of color and of chloroplast ultrastructure are exclusively induced by a nitrogen deficiency and not by the exogenous glucose itself.

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Literatur

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  7. Die Arbeiten wurden durch den Schweizerischen Nationalfonds unterstützt.

  8. Die elektronenmikroskopischen Arbeiten wurden in Zusammenarbeit mit dem Zoologischen Institut der Universität Bern durchgeführt.

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Authors and Affiliations

  1. Institut für organische Chemie der Universität, Länggasstrasse 7, CH-3012, Bern, Schweiz

    E. C. Grob & W. Eichenberger

Authors
  1. E. C. Grob
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  2. W. Eichenberger
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Verstorben am 31. Mai 1972.

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Grob, E.C., Eichenberger, W. Beiträge zum Stickstoffmetabolismus in grünen Pflanzen. I. Die reversible Plastidenumwandlung in glucosestimulierten Kulturen vonSpirodela oligorrhiza, eine Folge von Stickstoffmangel. Experientia 29, 398–400 (1973). https://doi.org/10.1007/BF01926743

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  • DOI: https://doi.org/10.1007/BF01926743

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