Journal
MYCORRHIZA
Volume 15, Issue 6, Pages 459-470Publisher
SPRINGER
DOI: 10.1007/s00572-005-0351-8
Keywords
tomentella; ectomycorrhiza; DNA sequences; ITS; morphology
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The most common representatives of tomentelloid ectomycorrhizae (EM) collected in broad-leaved forests (Populus and Quercus) of the Hungarian Plain during a 4-year project are demonstrated. Eighteen specimens of nine tomentelloid EM morphotypes were investigated. Five of these, introduced here for the first time, were characterized by microscopical-morphological and anatomical methods. Molecular identification was carried out using sequence analysis of the nrDNA ITS region. Altogether, 54 ITS sequences (6 previously published and 12 new sequences from our mycorrhizae and 36 from GenBank derived from fruitbodies) were compared by phylogenetic analyses using neighbor-joining, maximum parsimony and maximum likelihood methods. Identification to species level was successful in the case of six EM morphotypes (Tomentella galzinii, T. subtestacea, T. sublilacina, T. pilosa, T. ferruginea and T. stuposa), and the possible taxonomic position of the remaining three was approached. These results are supported by morphology, as compared with literature data. Relative abundance of the EM morphotypes within the soil samples was estimated. Our results confirm that tomentelloid EM are constant, diverse and abundant members of the EM communities in temperate-continental broad-leaved forests.
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