Genetic structure of <Emphasis Type="Italic">Tuber mesentericum</Emphasis> Vitt. based on polymorphisms at the ribosomal DNA ITS |
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Authors: | Maria Sica Luciano Gaudio Serena Aceto |
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Institution: | (1) Department of Biological Sciences, Section of Genetics and Molecular Biology, University of Naples Federico II, via Mezzocannone 8, 80134 Napoli, Italy |
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Abstract: | Tuber mesentericum fruit bodies are in increasing demand on the food market and are an important economic resource for southern Italy, their
major production area. Because molecular studies on this truffle species are very scarce, we analyzed ITS1 and ITS2 nucleotide
variability of 126 ascocarps of T. mesentericum collected in different European areas, mainly southern Italy. The results of haplotype distribution, analysis of molecular
variance, and spatial analysis of molecular variance analyses show strong genetic structuring of the samples collected in
the different geographic areas, confirmed by parsimony and distance analyses. In particular, the Italian samples seem to be
a well-distinguished group. |
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Keywords: | Tuber mesentericum Truffle Genetic structuring ITS |
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