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The population of the hypogeous fungus Tuber aestivum syn T. uncinatum on the island of Gotland
Uppsala University, Disciplinary Domain of Science and Technology, Biology, Department of Evolution, Genomics and Systematics, Systematic Botany. (Leif Tibell)
Uppsala University, Music and Museums, Museum of Evolution. (Eric Danell)
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Pharmacy, Department of Medicinal Chemistry, Division of Pharmacognosy. (Ander Backlund)
2004 (English)In: Mycorrhiza, ISSN 0940-6360, E-ISSN 1432-1890, Vol. 14, no 1, 19-23 p.Article in journal (Refereed) Published
Abstract [en]

The aim of our study was to examine the genetic variation within Tuber aestivum on the Baltic island of Gotland, Sweden. Variation in such a limited geographical area should help illuminate the dispersal abilities of T. aestivum. Knowledge of the genetic variation in this northern outpost could also be useful in the selection of inoculum for the establishment of truffle orchards. Genetic structure and homogeneity of the population were studied using principal component and parsimony analyses of randomly amplified polymorphic DNA data. Our inventories showed that T. aestivum is abundantly distributed in suitable habitats on Gotland. The genetic variation observed suggests sexual reproduction and slow dispersal on the island. It is possible that the present population was established from one introduction, which may be due to ability to survive in this habitat rather than to rare colonising events. The T. aestivum population on Gotland may be an ecotype adapted to the climate and soil conditions on the island.

Place, publisher, year, edition, pages
2004. Vol. 14, no 1, 19-23 p.
Keyword [en]
Tuber aestivum, truffle, population biology, Gotland, RAPD, island biogeography, Tuber uncinatum, dispersal
National Category
Biological Sciences
URN: urn:nbn:se:uu:diva-72575DOI: 10.1007/s00572-003-0271-4PubMedID: 14534851OAI: oai:DiVA.org:uu-72575DiVA: diva2:100486
Available from: 2005-05-25 Created: 2005-05-25 Last updated: 2012-03-22Bibliographically approved

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