Planta

, Volume 115, Issue 4, pp 369–372 | Cite as

Temperature dependence of the permeability of chloroplasts from chilling-sensitive and chilling-resistant plants

  • Park S. Nobel
Short Communication
Received:

Summary

Osmotic responses of chloroplasts from chilling-resistant (Pisum sativum L., Spinacia oleracea L.) and chilling-sensitive (Phaseolus vulgaris L., Lycopersicon esculentum Mill.) plants to glycerol and erythritol were determined from 1° to 28°. The permeability of the chloroplast limiting membranes, as measured by reflection coefficients, decreased when the temperature was raised. For Pisum and Spinacia the curves relating reflection coefficients and temperature were smooth, while for Phaseolus and Lycopersicon breaks occurred near 11°. The break may indicate a phase transition in the membranes, the change leading to a higher chloroplast permeability at lower temperatures for chilling-sensitive plants.

Keywords

Reflection Permeability Glycerol Phase Transition Reflection Coefficient 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.
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Copyright information

© Springer-Verlag 1974

Authors and Affiliations

  • Park S. Nobel
    • 1
  1. 1.Department of BiologyUniversity of CaliforniaLos AngelesUSA

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