Folia Microbiologica

, 44:59 | Cite as

Effect of the flavonoid quercetin on culture and isolation ofFrankia fromCasuarina root nodules

  • W. F. Sayed
  • C. T. Wheeler


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.


Flavonoid Quercetin Arbuscular Mycorrhizai Juglone Frankia Strain 
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Copyright information

© Institute of Microbiology, Academy of Sciences of the Czech Republic 1999

Authors and Affiliations

  • W. F. Sayed
    • 1
  • C. T. Wheeler
    • 2
  1. 1.Department of BotanyFaculty of ScienceQenaEgypt
  2. 2.Division of Biochemistry and Molecular Biology, Institute of Biomedical and Life SciencesUniversity of GlasgowGlasgowScotland, UK

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