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Elemental composition of ectomycorrhizal mycelia identified by PCR-RFLP analysis and grown in contact with apatite or wood ash in forest soil

  • Håkan Wallander
  • Shahid Mahmood
  • David Hagerberg
  • Leif Johansson
  • Jan Pallon
Publiceringsår: 2003
Språk: Engelska
Sidor: 57-65
Publikation/Tidskrift/Serie: FEMS microbiology ecology
Volym: 44
Nummer: 1
Dokumenttyp: Artikel i tidskrift
Förlag: Elsevier
Ytterligare information: The information about affiliations in this record was updated in December 2015. The record was previously connected to the following departments: Lithosphere and Biosphere Science (011006002), Nuclear Physics (Faculty of Technology) (011013007), MEMEG (432112240), Department of Geology (011006000), Department of Biology (000016100)

Abstract english

The aim of this study was to identify ectomycorrhizal species with a potential to release elements from apatite and wood ash and accumulate them in the mycelia. Fungal rhizomorphs and mycelia were sampled from sand-filled mesh bags with or without amendment of apatite or wood ash. The mesh bags were buried in forest soil in the field for 13 or 24 months. Elemental composition of the samples was analyzed with particle-induced X-ray emission and the fungus was identified by polymerase chain reaction-restriction fragment length polymorphism analysis of the ITS-region of ribosomal DNA. The majority of rhizomorphs and mycelia collected from the mesh bags were of mycorrhizal origin with Paxillus involutus being the most common species (31%). Other identified species were Thelephora terrestris, Suillus granulatus and Tylospora fibillosa. S. granulatus contained 3-15 times more K (3 mg g(-1)) than the other species and had large calcium-rich crystals deposited on the surface of rhizomorphs when grown in contact with apatite. P. involutus contained the largest amount of Ca (2-7 mg g(-1)). Wood ash addition increased the amount of Ti, Mn and Pb in the rhizomorphs while apatite addition increased the amount of Ca in the rhizomorphs. The high concentration of K in S. granulatus rhizomorphs suggests that this fungus is a good accumulator of K while P. involutus appeared to accumulate heavy metals originating from wood ash.


  • Subatomic Physics
  • Geology
  • Biological Sciences


  • Nuclear Microprobe-lup-obsolete
  • Microbial Ecology
  • ISSN: 1574-6941
Leif Johansson
E-post: leif [dot] johansson [at] geol [dot] lu [dot] se



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