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Diversity of foliar endophytes in wind-fallen Picea abies trees

Fungal Diversity 2012年第3期54卷 69-77页

作者： Ondřej Koukol Miroslav Kolařík Zuzana Kolářová Petr Baldrian Department of Botany Faculty of ScienceCharles University in PragueBenátská212801 Prague 2Czech Republic Laboratory of Genetics Physiology and Bioengineering of FungiInstitute of Microbiology of the ASCRv.v.i.Vídeňská108314220 Prague 4Czech Republic Laboratory of Environmental Microbiology Institute of Microbiology of the ASCRv.v.i.Vídeňská108314220 Prague 4Czech Republic

The unmanaged Norway spruce montane forests in the Bohemian Forest National Park(Czech Republic)suffered from repeated large-scale bark beetle outbreaks in last *** this study,the diversity of culturable foliar endophyte microfungi in needles originating from eleven recently wind-fallen trees in this area was *** aims were to describe their diversity and to determine the relative host and organ specificities of isolated endophyte species to estimate the species pool and abundance of foliar endophytes before the forest *** were isolated from surface-sterilized needles,and the outgrowing strains were identified based on morphological and molecular characteristics(analyses of ITS1,ITS2 and partial 28S rDNA).Fungal communities in the needles were diverse,with ascomycetes(mostly anamorphs of Helotiales)dominating *** most frequent species(Phacidiopycnis sp.,Cistella acuum,Sirococcus *** two species of Chalara)did not correspond with those recorded in previous studies of Picea *** example,the widely distributed Lophodermium piceae was rarely recorded in this *** pattern may be caused by different methods of sterilization and cultivation or by physiological characteristics of the needles,or it may reflect the species distribution in the studied *** of the Helotiales,along with sequences from GenBank,showed substantial overlap in host affinities,most prominently between Pinus and Picea,and also among species from distant plant lineages.

关键词： Morphospecies ITS rDNA Culturable microfungi Phacidiopycnis Host affinity

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