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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
environmental science
Cyanobacterial diversity in the hot spring, pelagic and benthic habitats of a tropical soda lake
FEMS Microbiology Ecology, Volume 85, No. 2, Year 2013
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Description
Hot springs and saline-alkaline lakes of East Africa are extreme habitats regarding temperature, or salinity and pH, respectively. This study examines whether divergent habitats of Lake Bogoria, Kenya, impacts cyanobacterial community structure. Samples from the hot springs, pelagic zone and sediment were analysed by light microscopy, multilocus 454-amplicons sequencing and metagenomics to compare the cyanobacterial diversity. Most of the phylogenetic lineages of Cyanobacteria occurred exclusively in the Bogoria hot springs suggesting a high degree of endemism. The prevalent phylotypes were mainly members of the Oscillatoriales (Leptolyngbya, Spirulina, Oscillatoria-like and Planktothricoides). The Chroococcales were represented by different clades of Synechococcus but not a single phylotype clustered with any of the lineages described earlier from different continents. In contrast, we found that the pelagic zone and the sediments were inhabited by only a few taxa, dominated by Arthrospira and Anabaenopsis. Arthrospira, the main food base of Lesser Flamingo, was detected in all three habitats by amplicons pyrosequencing, indicating its resilience and key role as a primary producer. Despite the close connection between the three habitats studied, the cyanobacterial communities in the hot springs and lake differed considerably, suggesting that they are unable to adapt to the extreme conditions of the neighbouring habitat. © 2013 Federation of European Microbiological Societies. Published by John Wiley & sons Ltd.
Authors & Co-Authors
Dadheech, Pawan K.
Germany, Berlin
Leibniz-institute of Freshwater Ecology and Inland Fisheries
India, Ajmer
Central University of Rajasthan
India, Ajmer
Government College
Glöckner, Gernot
Germany, Koln
Universität zu Köln
Germany, Berlin
Leibniz-institute of Freshwater Ecology and Inland Fisheries
Germany, Berlin
Freie Universität Berlin
Casper, Peter
Germany, Berlin
Leibniz-institute of Freshwater Ecology and Inland Fisheries
Kotut, Kiplagat
Kenya, Nairobi
Kenyatta University
Kenya, Embu
University of Embu
Mazzoni, Camila Junqueira
Germany, Berlin
Berlin Center for Genomics in Biodiversity Research
Germany, Berlin
Leibniz-institut Für Zoo- Und Wildtierforschung
Mbedi, Susan
Germany, Berlin
Berlin Center for Genomics in Biodiversity Research
Germany, Berlin
Museum Für Naturkunde
Krienitz, Lothar
Germany, Berlin
Leibniz-institute of Freshwater Ecology and Inland Fisheries
Statistics
Citations: 77
Authors: 7
Affiliations: 10
Identifiers
Doi:
10.1111/1574-6941.12128
ISSN:
01686496
e-ISSN:
15746941
Research Areas
Food Security
Study Locations
Multi-countries
Kenya