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Secondary Metabolites from Isolated Lichen Mycobionts Cultured Under Different Osmotic Conditions

Published online by Cambridge University Press:  28 March 2007

Nobuo Hamada  and
Hisashi Miyagawa
Nobuo Hamada
Affiliation:
Osaka City Institute of Public Health and Environmental Sciences, 8-34 Tojo-cho, Tennoji, Osaka 543, Japan.
Hisashi Miyagawa
Affiliation:
Pesticide Research Institute, Faculty of Agriculture, Kyoto University, Kyoto 606-01, Japan.
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Abstract

Growth of the mycobiont of Ramalina siliquosa and the secondary metabolites subsequently produced under various osmotic culture conditions were examined. The secondary metabolite content and the growth rate changed greatly when different quantities of sucrose were added to the culture medium. Salazinic acid was found only in mycobionts cultured on a medium with 10 or 20% sucrose, the mycobiont growth rate being higher than on conventional medium. Similarly, in Lobaria discolor, gyrophoric acid was found only in mycobionts cultured on a medium with 10% sucrose.

Type
Research Article
Information
The Lichenologist , Volume 27 , Issue 3 , May 1995 , pp. 201 - 205
Copyright
Copyright © British Lichen Society 1995

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