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The Uptake of Nickel Ions by Lichen Thalli of the Genera Umbilicaria and Peltigera

Published online by Cambridge University Press:  28 March 2007

D. H. S. Richardson  and
E. Nieboer
D. H. S. Richardson
Affiliation:
School of Botany, University of Dublin, Trinity College, Dublin 2, Ireland.
E. Nieboer
Affiliation:
Department of Biochemistry, McMaster University, Health Sciences Centre, 1200 Main Street West, Hamilton, Ontario, Canada L8N 3Z5.
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Abstract

By using a dissection technique it was demonstrated that binding of Ni2+ ions occurred to both the algal zone and fungal medulla in various species of the lichen genus Umbilicaria. The algal zone, fungal medulla and lower surface plates in Umbilicaria muhlenbergii accumulated 21, 52 and 27% respectively of the total Ni2+ ions taken up. The amount of Ni taken up varied in different species of the same genus but in general the uptake by Peltigera (over 70 μmol g−1 dry weight) was some three times that by Umbilicaria under the same conditions.

Type
Research Article
Information
The Lichenologist , Volume 15 , Issue 1 , February 1983 , pp. 81 - 88
Copyright
Copyright © British Lichen Society 1983

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