Biodiversity of leaf litter fungi in streams along a latitudinal gradient

Seena S 1 , Bärlocher F 2 , Sobral O 3 , Gessner MO 4 , Dudgeon D 5 , McKie BG 6 Show all authors , Chauvet E 7 , Boyero L 8 , Ferreira V 9 , Frainer A 10 , Bruder A 11 , Matthaei CD 11 , Fenoglio S 12 , Sridhar KR 13 , Albariño RJ 14 , Douglas MM 15 , Encalada AC 16 , Garcia E 17 , Ghate SD 18 , Giling DP 19 , Gonçalves V 20 , Iwata T 21 , Landeira-Dabarca A 22 , McMaster D 17 , Medeiros AO 23 , Naggea J 24 , Pozo J 25 , Raposeiro PM 20 , Swan CM 26 , Tenkiano NSD 27 , Yule CM 28 , Graça MAS 9

Affiliations 

  • 1 MARE-Marine and Environmental Sciences Centre, Department of Life Sciences, University of Coimbra, 3004-517 Coimbra, Portugal; Centre of Molecular and Environmental Biology (CBMA), Department of Biology, University of Minho, Campus de Gualtar, 4710-057 Braga, Portugal. Electronic address: [email protected]
  • 2 Department of Biology, Mt. Allison University, Sackville, NB E4L 1G7, Canada
  • 3 MARE-Marine and Environmental Sciences Centre, Department of Life Sciences, University of Coimbra, 3004-517 Coimbra, Portugal; Centre of Molecular and Environmental Biology (CBMA), Department of Biology, University of Minho, Campus de Gualtar, 4710-057 Braga, Portugal
  • 4 Department of Experimental Limnology, Leibniz-Institute of Freshwater Ecology and Inland Fisheries (IGB), Alte Fischerhütte 2, 16775 Stechlin, Germany; Department of Ecology, Berlin Institute of Technology (TU Berlin), Ernst-Reuter-Platz 1, 10587 Berlin, Germany; Berlin Brandenburg Institute of Advanced Biodiversity Research (BBIB), Altensteinstraße 34, 14195 Berlin, Germany
  • 5 School of Biological Sciences, The University of Hong Kong, Pokfulam, Hong Kong
  • 6 Department of Aquatic Sciences and Assessment, Swedish University of Agricultural Sciences, P.O. Box 7050, SE-75007 Uppsala, Sweden
  • 7 EcoLab, Université de Toulouse, CNRS, INPT, UPS, Toulouse, France
  • 8 Faculty of Science and Technology, University of the Basque Country (UPV/EHU), Leioa, Spain; IKERBASQUE, Basque Foundation for Science, Bilbao, Spain; College of Science and Engineering, James Cook University, Townsville, Qld, Australia
  • 9 MARE-Marine and Environmental Sciences Centre, Department of Life Sciences, University of Coimbra, 3004-517 Coimbra, Portugal; Department of Life Sciences, University of Coimbra, 3004-517 Coimbra, Portugal
  • 10 Norwegian College of Fishery Science, UiT The Arctic University of Norway, 9037 Tromsø, Norway; Department of Arctic and Marine Biology, UiT The Arctic University of Norway, 9037 Tromsø, Norway
  • 11 Department of Zoology, University of Otago, PO Box 56, Dunedin 9054, New Zealand
  • 12 Department of Science and Technological Innovation, University of Piemonte Orientale, Alessandria I-15121, Italy
  • 13 Department of Biosciences, Mangalore University, Mangalagangotri, Mangalore 574 199, Karnataka, India
  • 14 Fotobiology Lab, INIBIOMA (UNComahue-CONICET), Bariloche, Argentina
  • 15 School of Earth and Environment, University of Western Australia, Perth, WA 6009, Australia; Research Institute for the Environment and Livelihoods, Charles Darwin University, Darwin, NT 0909, Australia
  • 16 MARE-Marine and Environmental Sciences Centre, Department of Life Sciences, University of Coimbra, 3004-517 Coimbra, Portugal; Laboratorio de Ecología Acuática, Colegio de Ciencias Biológicas y Ambientales, Universidad San Francisco de Quito, Diego de Robles y Vía Interoceánica, 17-1200-841 Quito, Ecuador
  • 17 Research Institute for the Environment and Livelihoods, Charles Darwin University, Darwin, NT 0909, Australia
  • 18 Department of Biosciences, Mangalore University, Mangalagangotri, Mangalore 574 199, Karnataka, India; Yenepoya Research Center, Yenepoya (Deemed to Be University), Deralakatte, Mangalore 575018, Karnataka, India
  • 19 Department of Experimental Limnology, Leibniz-Institute of Freshwater Ecology and Inland Fisheries (IGB), Alte Fischerhütte 2, 16775 Stechlin, Germany; Institute of Ecology and Evolution, Friedrich-Schiller University Jena, Dornburger Str. 15, 07743 Jena, Germany
  • 20 Centro de Investigação em Biodiversidade e Recursos Genéticos, CIBIO, InBIO Laboratório Associado, Pólo dos Açores & Departamento de Biologia da, Universidade dos Açores, Ponta Delgada, Açores, Portugal
  • 21 Faculty of Life and Environmental Sciences, University of Yamanashi, Takeda, Kofu 400-8510, Japan
  • 22 Laboratorio de Ecología Acuática, Colegio de Ciencias Biológicas y Ambientales, Universidad San Francisco de Quito, Diego de Robles y Vía Interoceánica, 17-1200-841 Quito, Ecuador
  • 23 Laboratório de Microbiologia Ambiental Departamento de Botânica, Instituto de Biologia, Universidade Federal da Bahia, Campus Ondina, 40170-115 Salvador, BA, Brazil
  • 24 School of Science, Monash University Malaysia, Bandar Sunway, Selangor 47500, Malaysia
  • 25 Faculty of Science and Technology, University of the Basque Country (UPV/EHU), Leioa, Spain
  • 26 Department of Geography & Environmental Systems, University of Maryland, Baltimore County, 211 Sondheim Hall, 1000 Hilltop Circle, Baltimore, MD 21250, USA
  • 27 Université Julius N'Yerere de Kankan, Kankan, Guinea
  • 28 School of Science, Monash University Malaysia, Bandar Sunway, Selangor 47500, Malaysia; School of Science and Engineering, University of the Sunshine Coast, Queensland, Australia
Sci Total Environ, 2019 Apr 15;661:306-315.
PMID: 30677678 DOI: 10.1016/j.scitotenv.2019.01.122

Abstract

Global patterns of biodiversity have emerged for soil microorganisms, plants and animals, and the extraordinary significance of microbial functions in ecosystems is also well established. Virtually unknown, however, are large-scale patterns of microbial diversity in freshwaters, although these aquatic ecosystems are hotspots of biodiversity and biogeochemical processes. Here we report on the first large-scale study of biodiversity of leaf-litter fungi in streams along a latitudinal gradient unravelled by Illumina sequencing. The study is based on fungal communities colonizing standardized plant litter in 19 globally distributed stream locations between 69°N and 44°S. Fungal richness suggests a hump-shaped distribution along the latitudinal gradient. Strikingly, community composition of fungi was more clearly related to thermal preferences than to biogeography. Our results suggest that identifying differences in key environmental drivers, such as temperature, among taxa and ecosystem types is critical to unravel the global patterns of aquatic fungal diversity.

* Title and MeSH Headings from MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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