The effect of aluminum on cytokinins in the mycelia of Amanita muscaria |
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Authors: | Maja Kovač Jana Žel |
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Affiliation: | (1) National Institute of Biology, Karlovka 19, 61000 Ljubljana, Slovenia |
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Abstract: | High performance liquid chromatography analysis of immunoaffinity-purified extracts of mycelia of Amanita muscaria, and the Amaranthus bioassay of the eluted fractions, revealed the following seven cytokinins: zeatin, zeatin riboside, zeatin N-9-glucoside, dihydrozeatin, dihydrozeatin riboside, isopentenyl adenine, and isopentenyl adenosine. The decreased growth of aluminum-treated mycelia correlated with a 35% decrease in the total amount of the cytokinins. Among individual cytokinins, zeatin was the most affected, exhibiting a reduction of about 90%. The results are compared with previous investigations of aluminum effects on cytokinins in the mycelia of Lactarius piperatus, whose growth is stimulated by aluminum.Abbreviations ZR zeatin riboside - iPA isopentenyl adenosine - Z zeatin - DHZ dihydrozeatin - iP isopentenyl adenine - DHZR dihydrozeatin riboside - Z-9G zeatin N-9-glucoside - iP-9G isopentenyl N-9-glucoside - HPLC high performance liquid chromatography - DHZRMP dihydrozeatin riboside monophosphate - ZRMP zeatin riboside monophosphate |
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