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Community of dark-spored myxomycetes in ground litter and soil of taiga forest (Nizhne-Svirskiy Reserve,Russia) revealed by DNA metabarcoding |
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| Affiliation: | 1. Komarov Botanical Institute of the Russian Academy of Sciences, Laboratory of Systematics and Geography of Fungi, Prof. Popov Street 2, 197376, St. Petersburg, Russia;2. Institute of Botany and Landscape Ecology, University of Greifswald, Soldmannstr. 15, D-17487, Greifswald, Germany;3. School of Biological Sciences, The University of Auckland, 261 Morrin Rd, St Johns, 1072, Auckland, New Zealand;4. North-Western State Medical University Named After I.I. Mechnikov, Kirochnaya Street 41, 191015, St. Petersburg, Russia;5. Theodosius Dobzhansky Center for Genome Bioinformatics, St. Petersburg State University, Sredniy Av. 41A, 199034, St. Petersburg, Russia |
| Abstract: | The diversity of dark-spored myxomycetes in forest ground litter and soil from four study plots across a fire chronosequence in Nizhne-Svirskiy Nature Reserve (northwest of Russia) was assessed by a DNA metabarcoding approach. The history of fire disturbances and the season of sampling influenced the composition of myxomycete assemblages. Several species showed substrate preferences different from what is known from fruiting body records. A high abundance of nivicolous species in the majority of the samples suggests that this ecological group constitutes a common element of soil microbial communities in lowland taiga forests. Four species are reported for the Leningrad region for the first time. Our results support the hypothesis that amoebae populations of myxomycetes may have much wider ecological niches than indicated by records of fructifications, and further environmental studies may provide valuable new insights on myxomycete ecology and distribution. |
| Keywords: | Amoebozoa Environmental DNA Hidden diversity Nivicolous myxomycetes Plasmodial slime molds Soil microbiology Wildfire |
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