Quantitative distributions of Epsilonproteobacteria and a Sulfurimonas subgroup in pelagic redoxclines of the central Baltic Sea

Article Abstract:

16S rRNA cloning and catalyzed reporter deposition and fluorescence in situ hybridization (CARD-FISH) and quantitative PCR measurements are used for determining the abundance, activity and vertical distribution of Epsilonproteobacteria and a Sulfurimonas subgroup in high-resolution profiles of redoxclines of the central Baltic Sea. The results have shown that the clone sequence GD17 is the best-adapted epsilonproteobacterium within this ecological niche.

Observations, In situ hybridization, Bacterial genetics

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Lake superior supports novel clusters of cyanobacterial picoplankton

Article Abstract:

The genetic diversity of Lake Superior autotrophic picoplankton (APP) is examined by analyzing 16S rRNA gene and cpcBA PCR amplicons from water samples. It is found that APP shifts from a community of phycoerythrin (PE) and phycocyanin-rich picocyanobacteria and picoeukaryotes in winter to a PE-rich community in summer.

United States, Environmental aspects, Genetic aspects, Cyanobacteria, Biological diversity, Biodiversity, Lake Superior, Planktonic bacteria, Report

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