Vertical structure of the bacterial diversity in meromictic Fayetteville Green Lake
| Autor: | William J. Edwards, Kaleigh R. Block, Cassandra L. Marnocha, Joy M. O'Brien |
|---|---|
| Jazyk: | angličtina |
| Rok vydání: | 2021 |
| Předmět: |
Cyanobacteria
inorganic chemicals meromictic lake New York chemistry.chemical_element Context (language use) Chromatiaceae Microbiology Chlorobi Microbial ecology RNA Ribosomal 16S freshwater Phototroph biology Ecology Microbiota bacterial diversity High-Throughput Nucleotide Sequencing Sulfur cycle Original Articles biology.organism_classification Sulfur Anoxygenic photosynthesis QR1-502 Lakes chemistry Green sulfur bacteria Environmental science Original Article sulfur cycling Water Microbiology |
| Zdroj: | MicrobiologyOpen, Vol 10, Iss 4, Pp n/a-n/a (2021) MicrobiologyOpen |
| ISSN: | 2045-8827 |
| Popis: | The permanently stratified water columns in euxinic meromictic lakes produce niche environments for phototrophic sulfur oxidizers and diverse sulfur metabolisms. While Green Lake (Fayetteville, New York, NY) is known to host a diverse community of ecologically important sulfur bacteria, analyses of its microbial communities, to date, have been largely based on pigment analysis and smaller datasets from Sanger sequencing techniques. Here, we present the results of next‐generation sequencing of the eubacterial community in the context of the water column geochemistry. We observed abundant purple and green sulfur bacteria, as well as anoxygenic photosynthesis‐capable cyanobacteria within the upper monimolimnion. Amidst the phototrophs, we found other sulfur‐cycling bacteria including sulfur disproportionators and chemotrophic sulfur oxidizers, further detailing our understanding of the sulfur cycle and microbial ecology of euxinic, meromictic lakes. In this study, we investigated the bacterial communities of the upper 25 m of meromictic Fayetteville Green Lake (New York, NY, USA). We found a diverse assemblage of phototrophic and chemotrophic sulfur bacteria. The distribution of these microorganisms and their inferred metabolisms, along with limnological and geochemical context, can help expand our understanding of biogeochemical cycling in meromictic lakes. |
| Databáze: | OpenAIRE |
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