Results 181 to 190 of about 96,527 (223)

A One Health assessment of antimicrobial-resistant Enterobacterales in migratory little stints (Calidris minuta) and aquatic ecosystems in the Kenyan Rift Valley. [PDF]

PLoS One
Mbuthia CW, Too RJ, Mzula A, Imboma TS, Kiiru J, Kariuki S, Hoza AS.   +6 more
europepmc   +1 more source

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Microbial diversity of soda lakes

Extremophiles, 1998
Soda lakes are highly alkaline extreme environments that form in closed drainage basins exposed to high evaporation rates. Because of the scarcity of Mg2+ and Ca2+ in the water chemistry, the lakes become enriched in CO3(2-) and Cl-, with pHs in the range 8 to > 12. Although there is a clear difference in prokaryotic communities between the hypersaline
B E, Jones, W D, Grant, A W, Duckworth, G G, Owenson   +3 more
openaire   +2 more sources

Functional microbiology of soda lakes

Current Opinion in Microbiology, 2015
Soda lakes represent unique permanently haloalkaline system. Despite the harsh conditions, they are inhabited by abundant, mostly prokaryotic, microbial communities. This review summarizes results of studies of main functional groups of the soda lake prokaryotes responsible for carbon, nitrogen and sulfur cycling, including oxygenic and anoxygenic ...
Sorokin, D.Y., Banciu, H.L., Muyzer, G.
openaire   +5 more sources

Starch-hydrolyzing bacteria from Ethiopian soda lakes

Extremophiles, 2001
Alkaliphilic bacteria were isolated from soil and water samples obtained from Ethiopian soda lakes in the Rift Valley area--Lake Shala, Lake Abijata, and Lake Arenguadi. Starch-hydrolyzing isolates were selected on the basis of their activity on starch agar plate assay.
R F, Martins, W, Davids, W, Abu Al-Soud, F, Levander, P, Rådström, R, Hatti-Kaul   +5 more
openaire   +2 more sources

Geochemistry of African Soda Lakes

2016
Soda lakes are those in which sodium and carbonate species dominate the dissolved ions. They form in hydrologically closed lake basins, where inflow is balanced primarily by evaporation. They are important habitats, closely tied to water resource issues in arid lands, and they support important economic activities.
Daniel M. Deocampo, Robin W. Renaut
openaire   +1 more source

Predation on planktonic ciliates in Kenyan soda lakes

Aquatic Ecosystem Health & Management, 2020
Ciliated protozoa are important components of the plankton of aquatic systems with ability to recycle nutrients and to link microbial food webs to metazoans. This is because they are numerous and have higher growth rates compared to other unicellular eukaryotes of similar size.
Andrew W. Yasindi, William D. Taylor
openaire   +1 more source

Phylogenetic diversity of bacteria in soda lake stratified sediments

Microbiology, 2014
Various previously developed techniques for DNA extraction from the samples with complex physicochemical structure (soils, silts, and sediments) and modifications of these techniques developed in the present work were tested. Their usability for DNA extraction from the sediments of the Kulunda Steppe hypersaline soda lakes was assessed, and the most ...
T P, Tourova, M A, Grechnikova, V V, Kuznetsov, D Yu, Sorokin   +3 more
openaire   +2 more sources

Osmoadaptation in Representatives of Haloalkaliphilic Bacteria from Soda Lakes

Microbiology, 2005
The adaptation of microorganisms to life in brines allows two strategies: the accumulation of organic osmoregulators in the cell (as in many moderate halophiles, halomonads in particular) or the accumulation of inorganic ions at extremely high intracellular concentrations (as, for example, in haloanaerobes). To reveal the regularities of osmoregulation
Iu V, Boltianskaia, E N, Detkova, A N, Shumskiĭ, L E, Dulov, M A, Pusheva   +4 more
openaire   +2 more sources

Hydrogeochemistry of Big Soda Lake, Nevada: An alkaline meromictic desert lake

Geochimica et Cosmochimica Acta, 1984
Big Soda Lake, located near Fallon, Nevada, occupies an explosion crater rimmed by basaltic debris; volcanic activity apparently ceased within the last 10,000 years. This lake has been selected for a detailed multidisciplinary study that will ultimately cover the organic and inorganic hydrogeochemistry of water and sediments because the time at which ...
Yousif K. Kharaka, Stephen W. Robinson, Leroy M. Law, William W. Carothers   +3 more
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Bacteria, Archaea and Viruses of Soda Lakes

2016
The soda lake environment presents microorganisms with many combinations of physical and chemical extremes, amongst them extremes of alkaline pH, salinity (NaCl), temperature and incident radiation and water and oxygen availability. Despite this harsh regime, soda lakes are fertile habitats for an enormous diversity of alkaliphilic prokaryotic ...
William D. Grant, Brian E. Jones
openaire   +1 more source