Molecular and morphological diversity of fungi and the associated functions in three European nearby lakes

Environmental Microbiology
Marlène JobardTélesphore Sime-Ngando

Abstract

This study presents an original rDNA PCR and microscopic survey of pelagic freshwater fungal communities, and was designed to unveil the diversity of true Fungi (i.e. the kingdom Eumycota) in three contrasting lake ecosystems (Lakes Pavin, Aydat and Vassivière) located in the French Massif Central. Three clone libraries were constructed from samples collected in the euphotic layers of the lakes during spring 2007. Phylogenetic analysis of the combined data from the three lakes clustered our sequences into thee divisions: Chytridiomycota (50% of total sequences), Ascomycota (40%) and Basidiomycota (10% in Pavin and Aydat only). Several sequences were assigned to a novel Chytridiomycota clade first recovered in Lake Pavin in 2005. Most of the sequences retrieved in the investigated lakes were affiliated with known fungal species, most of which were apparently well adapted to thrive in the pelagic realm. Their main functions (i.e. parasitism and saprophytism), putatively inferred from the closest relatives of the retrieved molecular sequences, were confirmed by microscopic approaches and by enrichment experiments with pollen grains. The occurrence of three fungal forms (zoosporic, yeast and mycelial) was associated with different ...Continue Reading

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Citations

Apr 23, 2013·Applied and Environmental Microbiology·Mélanie GerphagnonTélesphore Sime-Ngando
Apr 16, 2014·PloS One·Christian WurzbacherHans-Peter Grossart
Apr 5, 2013·Environmental Microbiology·C S NaffS K Schmidt
Jan 28, 2015·Environmental Microbiology Reports·Seiji IshidaMaiko Kagami
Oct 8, 2016·The Journal of Eukaryotic Microbiology·Kensuke SetoYousuke Degawa
Jun 16, 2017·Environmental Microbiology·Thijs FrenkenRamsy Agha
May 13, 2018·The Journal of Eukaryotic Microbiology·Silke Van den WyngaertHans-Peter Grossart
Oct 10, 2018·Nature Microbiology·Steven R AhrendtIgor V Grigoriev
Mar 16, 2019·Nature Reviews. Microbiology·Hans-Peter GrossartKeilor Rojas-Jimenez
Aug 6, 2021·Annual Review of Microbiology·Fouad El BaidouriAnthony S Amend

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