2016
DOI: 10.1093/femsec/fiw231
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Planktonic protistan communities in lakes along a large-scale environmental gradient

Abstract: Despite their obvious importance, our knowledge about the eukaryotic microbial diversity of inland waters is still limited and poorly documented. We applied 18S rDNA amplicon sequencing to provide a comprehensive analysis of eukaryotic diversity in 74 low-productivity lakes along a 750 km longitudinal transect (5.40-18.52°E) across southern Scandinavia. We detected a wide diversity of pelagic microbial eukaryotes, classified into 1882 operational taxonomic units (OTUs). The highest OTU richness was found in tr… Show more

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Cited by 30 publications
(40 citation statements)
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“…Most of the discoban OTUs were assigned to the Euglenida. This pattern of the largely photosynthetic or mixotrophic euglenids being a major component of an ecosystem has not been seen in other aquatic or terrestrial environments (e.g., Bates et al 2013;Geisen et al 2015;Grossmann et al 2016;Khomich et al 2017;Mahé et al 2017). Why the euglenids are so abundant in these Brazilian freshwater lakes remains an ecological question; one possible explanation of this pattern is that the lakes are constantly being flooded by their nearby rivers.…”
Section: Resultsmentioning
confidence: 90%
See 1 more Smart Citation
“…Most of the discoban OTUs were assigned to the Euglenida. This pattern of the largely photosynthetic or mixotrophic euglenids being a major component of an ecosystem has not been seen in other aquatic or terrestrial environments (e.g., Bates et al 2013;Geisen et al 2015;Grossmann et al 2016;Khomich et al 2017;Mahé et al 2017). Why the euglenids are so abundant in these Brazilian freshwater lakes remains an ecological question; one possible explanation of this pattern is that the lakes are constantly being flooded by their nearby rivers.…”
Section: Resultsmentioning
confidence: 90%
“…A powerful approach to uncovering the biodiversity and biogeography of protists inhabiting any ecosystem is to use metabarcoding, where primers amplify specific DNA regions that are then sequenced on a massive scale (Creer et al 2016;Taberlet et al 2018). Most protist metabarcoding studies have analyzed marine near-shore and open waters, and temperate freshwaters and soils (e.g., Aguilar et al 2016;del Campo et al 2015;Egge et al 2015;Filker et al 2016;Grossmann et al 2016;Khomich et al 2017;Lentendu et al 2014;Logares et al 2014;Massana et al 2015;Monier et al 2015;Stoeck et al 2010;Venter et al 2017). Fewer metabarcoding studies have analyzed tropical ecosystems (e.g., Bates et al 2013;Creer et al 2010;Lentendu et al 2018;Mahé et al 2017;Zinger et al 2017).…”
mentioning
confidence: 99%
“…The Saccharomycotina (in the Ascomycota) were the most abundant fungi for both reads (63.8%) and OTUs (37.0%) for all three forests combined, and were the most abundant fungi in most of the samples (Supporting Information Files S1 and S2). This proportional higher abundance of Yeast reads may indicate that they are represented by a high biomass or number of cells in the soil, although in a recent study the proportion of fungal reads to OTUs was largely congruent (Khomich et al ., ). Agaricomycotina (in the Basidiomycota) was also highly represented (21.0% of the reads and 20.4% OTUs), but this group was also mainly composed of OTUs with taxonomic affiliation to unicellular or dimorphic forming tremellomycetes (Liu et al ., ), such as Trichosporon spp.…”
Section: Resultsmentioning
confidence: 99%
“…The Saccharomycotina (in the Ascomycota) were the most abundant fungi for both reads (63.8%) and OTUs (37.0%). This proportional higher abundance of Yeast reads may indicate that they are represented by a high biomass or number of cells in the soil, although in a recent study the proportion of fungal reads to OTUs was largely congruent (Khomich et al, 2017). Agaricomycotina (in the Basidiomycota) was also highly represented (21.0% of the reads and 20.4% OTUs), but this group was also mainly composed of OTUs with taxonomic affiliation to unicellular or dimorphic forming tremellomycetes (Liu et al, 2015), such as Trichosporon spp.…”
Section: (B) Yeasts Dominate Neotropical Soil Fungal Communitiesmentioning
confidence: 93%