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Zur Frage eines Photoinaktivierungs-Effektes bei der Polaritätsinduktion inEquisetumsporen undFucus zygoten

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Summary

Polarity was induced in spores ofEquisetum variegatum and zygotes ofFucus serratus by monochromatic light; the cells were lit partially or by combinations of different types of irradiation.

1. Partially lit cells yield the same energy-effect curve which has been found after irradiation with polarized or with unilateral unpolarized light in previous investigations. The energy requirement of the first primary process depends upon the type of irradiation. — 2. The first decline of the curve is caused by photoinactivation of the photoreceptor molecules responsible for the first primary process; this is indicated by the apparent coexistence of active and inactivated pigment in a cell. —3. The cells require approximately 20 minutes at the temperature of 20°C to restore or synthesizede novo the previously inactivated pigment.

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Author notes

  1. Friedrich W. Meyer zu Bentrup

    Present address: Department of Biology, University of Pennsylvania, Philadelphia, USA

Authors and Affiliations

  1. Botanischen Institut der Universität Erlangen-Nürnberg, Schloßgarten 4, 852, Erlangen

    Friedrich W. Meyer zu Bentrup

  2. Biologischen Anstalt Helgoland, Helgoland, Deutschland

    Friedrich W. Meyer zu Bentrup

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  1. Friedrich W. Meyer zu Bentrup
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Meyer zu Bentrup, F.W. Zur Frage eines Photoinaktivierungs-Effektes bei der Polaritätsinduktion inEquisetumsporen undFucus zygoten. Planta 63, 356–365 (1964). https://doi.org/10.1007/BF01885718

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  • DOI: https://doi.org/10.1007/BF01885718

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