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Isolation and characterization of polymorphic microsatellite loci in white truffle (Tuber magnatum)


Dr S. Arcioni. Fax: + 39-075-5014869; E-mail:


Tuber spp. are fungi that establish symbiosis with several trees and shrubs. Some of these fungal species produce edible ascomata, also known as truffles, which are highly appreciated for their taste and odour. We isolated and characterized eight polymorphic microsatellite loci from Tuber magnatum, the finest white truffle species, and assessed their variability in 370 individuals collected from all over the species range of distribution. Although two to 18 alleles per locus were found, no heterozygous individuals were observed. The availability of simple sequence repeat loci provides valuable tools for assessment of the genetic structure and population dynamics in this species.