@ARTICLE{TreeBASE2Ref20495, author = {Martin Unterseher and Anne Petzold and Martin Schnittler}, title = {Xeric foliar endophytic fungi of Populus euphratica from the Tarim River Basin, Central China are conspecific to endophytic ITS phylotypes from Populus tremula in Europe}, year = {2012}, keywords = {Keywords: frost-drought tolerance, extremophile, Alternaria, Cladosporium, Penicillium, evolution of endophytism}, doi = {}, url = {}, pmid = {}, journal = {Fungal Diversity}, volume = {}, number = {}, pages = {}, abstract = {Fungal research on non-lichenized taxa in xeric and other for fungi unusual habitats are comparatively scarce but constantly reveal an enormous ecological and functional adaptiveness of these organisms to extremes. This accounts for the topmost forest canopies as well as for marine, arctic, antarctic and desert habitats. In the present study dry herbarised leaves of Populus euphratica from a continental desert area in Central China were investigated for endophytic fungi six weeks after sampling by cultivation of small leaf fragments. Thirty-five species, many of them well-known from extreme environments, were delimitated from as few as 58 isolates by a combined analysis of morphotypes, micromorphology and ITS sequences. Meta-analysis revealed pronounced conspecificity to endophytes from Populus tremula leaves, but significant differences to foliar endophytic communities in Pinus monticola and Fagus sylvatica. The evolution of extremotolerance might be of particular importance for retaining competitiveness of foliar endophytes in deciduous host trees after loss of pathogenicity.} }

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