Abstract
Approximately 10% of around 1,000 temperate tree species have so far been investigated for the occurrence of fungal endophytes, world-wide. The observed diversity, mostly measured as species richness of cultivated strains, ranges from a few taxa to more than 100 species per tree species. Statistical species richness and molecular phylogeny analyses indicate however, that the observed species numbers are only a fraction of the effective endophyte richness of a host plant, and that the relevant unit of biological organisation may lie below the species level, at the level of populations and phylotypes. State-of-the-art high-throughput techniques such as dilution-to-extinction cultivation and massively parallel sequencing of target DNA loci could overcome the limits that have prevented exhaustive surveys so far. Further aspects of biodiversity, such as host preference and species turnover on different substrata, geographical regions, or collection times have rarely been addressed, but would reveal new patterns of biological and functional diversity of temperate forest endophytes. Furthermore, application of classical ecological theory to endophytology could lead to substantial progress in the field.
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Abbreviations
- NGS:
-
next generation sequencing
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Unterseher, M. (2011). Diversity of Fungal Endophytes in Temperate Forest Trees. In: Pirttilä, A., Frank, A. (eds) Endophytes of Forest Trees. Forestry Sciences, vol 80. Springer, Dordrecht. https://doi.org/10.1007/978-94-007-1599-8_2
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