Hyphae of waxcap fungi colonise plant roots

Hans Halbwachs, Bryn T. M. Dentinger, Andrew P. Detheridge, Peter Karasch, Gareth W. Griffith

Research output: Contribution to journalArticlepeer-review

26 Citations (SciVal)

Abstract

The trophic strategy of the globally distributed waxcaps (Hygrophoraceae) is uncertain. Some clues point to a biotrophic mode, particularly the 13C and 15N (stable isotopes) signatures. The observation of dense basal hyphae of Hygrocybe fruit bodies being tightly attached to live fine roots may be indicative of a plant-derived nutritional habit. To further scrutinize this fungus–plant association, stipe base samples and attached plant fragments were examined histologically. Waxcap hyphae were found growing inside live fine roots of associated vegetation. Amplification and sequencing of waxcap DNA from living root tissues using species-specific PCR primers also confirmed their presence in live plant roots. We therefore conclude that this group of fungi has a biotrophic lifestyle with plants.
Original languageEnglish
Pages (from-to)487-492
Number of pages6
JournalFungal Ecology
Volume6
Issue number6
DOIs
Publication statusPublished - Dec 2013

Keywords

  • Basal hyphae
  • Biotrophy
  • Endophyte
  • Hygrocybe
  • Nutritional lifestyle

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