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Variability of Ribonuclease Activity in Lichen Thalli

Published online by Cambridge University Press:  28 March 2007

Asunción de los Ríos ,
Rosalía Ramírez  and
Pilar Estévez
Asunción de los Ríos
Affiliation:
Institut für Botanik, Karl-Franzens Universität Graz, Holteigasse 6, 8010–Graz, Austria. [email protected] Dpto Biologia Vegetal I, Facultad de Biológicas, Universidad Complutense de Madrid 28040 Madrid, Spain, [email protected], [email protected]
Rosalía Ramírez
Affiliation:
Dpto Biologia Vegetal I, Facultad de Biológicas, Universidad Complutense de Madrid 28040 Madrid, Spain, [email protected], [email protected]
Pilar Estévez
Affiliation:
Dpto Biologia Vegetal I, Facultad de Biológicas, Universidad Complutense de Madrid 28040 Madrid, Spain, [email protected], [email protected]
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Abstract

RNase activity in Lasallia hispanica, Parmelia omphalodes and Cornicularia normoerica collected at different times and in different habitats, have shown variability that cannot be solely attributable to variation in habitat or season. Electromorph pattern of RNase activity in L. hispanica and C. normoerica, showed variations among different collection times; some bands are constant but other showed high variability, which could be related to physiological changes. It is also noteworthy that in both species one band is exclusively present in thalli from one of the sampling localities. This could be the result of an adaptation to this habitat and/or due to genetic differences.

Type
Research Article
Information
The Lichenologist , Volume 31 , Issue 5 , September 1999 , pp. 533 - 541
Copyright
Copyright © British Lichen Society 1999

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