High diversity of protistan plankton communities in remote high mountain lakes in the European Alps and the Himalayan mountains

FEMS Microbiology Ecology
Barbara KammerlanderThorsten Stoeck

Abstract

We analyzed the genetic diversity (V4 region of the 18S rRNA) of planktonic microbial eukaryotes in four high mountain lakes including two remote biogeographic regions (the Himalayan mountains and the European Alps) and distinct habitat types (clear and glacier-fed turbid lakes). The recorded high genetic diversity in these lakes was far beyond of what is described from high mountain lake plankton. In total, we detected representatives from 66 families with the main taxon groups being Alveolata (55.0% OTUs 97%, operational taxonomic units), Stramenopiles (34.0% OTUs 97%), Cryptophyta (4.0% OTUs 97%), Chloroplastida (3.6% OTUs 97%) and Fungi (1.7% OTUs 97%). Centrohelida, Choanomonada, Rhizaria, Katablepharidae and Telonema were represented by <1% OTUs 97%. Himalayan lakes harbored a higher plankton diversity compared to the Alpine lakes (Shannon index). Community structures were significantly different between lake types and biogeographic regions (Fisher exact test, P < 0.01). Network analysis revealed that more families of the Chloroplastida (10 vs 5) and the Stramenopiles (14 vs 8) were found in the Himalayan lakes than in the Alpine lakes and none of the fungal families was shared between them. Biogeographic aspects as well ...Continue Reading

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Citations

Jan 16, 2016·The ISME Journal·Hannes Peter, Ruben Sommaruga
Jul 2, 2016·European Journal of Protistology·Vera SlaveykovaJuan Carlos Gutiérrez
Apr 21, 2016·Scientific Reports·Fabian DrewesRuben Sommaruga
Aug 4, 2019·The Journal of Microbiology·Eli Michael S GendronSteven K Schmidt
Aug 24, 2017·The Journal of Eukaryotic Microbiology·Barbara KammerlanderBettina Sonntag
Jul 12, 2017·Inland Waters : Journal of the International Society of Limnology·Bettina SonntagMonika Summerer
Jun 15, 2020·Extremophiles : Life Under Extreme Conditions·Rosa Paulina Calvillo-MedinaJuan Campos-Guillén
Sep 14, 2019·FEMS Microbiology Ecology·Christoffer Bugge HarderFlemming Ekelund
Feb 23, 2020·Microorganisms·Kusum Dhakar, Anita Pandey
Aug 31, 2021·MicrobiologyOpen·Janina C VogtDirk C Albach

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Methods Mentioned

BETA
PCR

Software Mentioned

vegan
Acacia
Cytoscape
JAguc
[UNK]
BLASTn
R
QIIME
OTUpipe

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