DIFFUSION OF THE ORGANIC CATION IN THE POLYMERIC MATRYX OF THE CELL WALLS OF THE CRUSTOSE LICHEN CLADONIA RANGIFERINA (L.) F.H. WIGG.
Abstract
Diffusion inside the polymeric matrix of the cell walls is a process, which determines the possibility and the rate of ion entry inside the cell. In this paper the quantitative estimation of the ion diffusion in the cell walls isolated from crustose lichen C. rangiferina (L.) F.H. Wigg. was done and its possible contribution to processes of absorption in lichen thalli was estimated. We have determined the coefficient of swelling of the cell wall matrix and the diffusion coefficient of the organic cation in the lichen cell walls. Our results show that lichen cell walls characterize by higher cross-linking degree and by smaller diffusion coefficient than plants.
About the Authors
N. R. Meychiky
Lomosov Moscow State University
Russian Federation
Department of Plant Physiology
Russian Federation
Department of Plant Physiology
E. G. Lyubimova
Lomosov Moscow State University
Russian Federation
Department of Plant Physiology
Russian Federation
Department of Plant Physiology
I. P. Yermakov
Lomosov Moscow State University
Russian Federation
Department of Plant Physiology
Russian Federation
Department of Plant Physiology
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Review
For citations:
Meychiky N.R., Lyubimova E.G., Yermakov I.P. DIFFUSION OF THE ORGANIC CATION IN THE POLYMERIC MATRYX OF THE CELL WALLS OF THE CRUSTOSE LICHEN CLADONIA RANGIFERINA (L.) F.H. WIGG. Vestnik Moskovskogo universiteta. Seriya 16. Biologiya. 2007;(1):25-30. (In Russ.)
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