Effect of the flavonoid quercetin on culture and isolation ofFrankia fromCasuarina root nodules |
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| Authors: | W F Sayed C T Wheeler |
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| Institution: | (1) Department of Botany, Faculty of Science, P.O. Box 68 Qena, 83111 Qena, Egypt;(2) Division of Biochemistry and Molecular Biology, Institute of Biomedical and Life Sciences, University of Glasgow, G12 8QQ Glasgow, Scotland, UK |
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| Abstract: | The growth of threeFrankia strains (HFPCcl3, ORS021001, ORS020607), isolated from nodules ofCasuarina, was unaffected by 5–15 μmol/L quercetin. Re-isolation ofFrankia strain HFPCc13 fromCasuarina root nodules was carried out with the addition of 15 μmol/L quercetin to three different media. The flavonoid significantly
reduced fungal contaminants in the isolation plates and increased the number ofFrankia colonies per plate compared to controls without the flavonoid. |
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