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Schönherr J, Eckl K, Gruler H. Water permeability of plant cuticles: The effect of temperature on diffusion of water. Planta. 1979;147(1):21-6doi: 10.1007/BF00384585.
Schönherr, J., Eckl, K., & Gruler, H. (1979). Water permeability of plant cuticles: The effect of temperature on diffusion of water. Planta, 147(1), 21-6. https://doi.org/10.1007/BF00384585
Schönherr, J, et al. "Water permeability of plant cuticles: The effect of temperature on diffusion of water." Planta vol. 147,1 (1979): 21-6. doi: https://doi.org/10.1007/BF00384585
Schönherr J, Eckl K, Gruler H. Water permeability of plant cuticles: The effect of temperature on diffusion of water. Planta. 1979 Oct;147(1):21-6. doi: 10.1007/BF00384585. PMID: 24310889.
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Planta. 1979 Oct;147(1):21-6. doi: 10.1007/BF00384585.

Water permeability of plant cuticles: The effect of temperature on diffusion of water.

Planta

J Schönherr, K Eckl, H Gruler

Affiliations

  1. Lehrstuhl für Botanik, Technische Universität München, Arcisstraße 21, D-8000, München 2, Federal Republic of Germany.

PMID: 24310889 DOI: 10.1007/BF00384585

Abstract

The effect of temperature on water permeability of plant cuticles (astomatous Citrus leaf cuticles) has been investigated. The Arrhenius plot (logarithm of the permeability coefficient vs. 1/temperature) has two linear portions that intersect at 44° C. Evidence is presented to show that this intersection represents the solid/liquid phase transition of cuticular lipids. As the Arrhenius plot has only one phase transition in the temperature range of 5 to 80° C, it appears that all soluble cuticular lipids in the cuticle are present as a homogeneous mixture rather than as individual layers differing in composition. This view is supported by electron spin resonance evidence showing homogenous distribution of spin label fatty acids. The original distribution of soluble cuticular lipids is irreversibly altered by heating cuticular membranes above the transition temperature. This is accompanied by an irreversible increase in water peremeability, demonstrating the importance of the structure of cuticular lipids with regard to cuticular permeability.

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