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Consequently, the investigating of sediment archaea community is vital to understand the metabolic processes in freshwater lake ecosystems [ 8 ]. See our other membership options. Culturable diversity of aerobic bgl archaea Fam. I SS ‘ 7i”.

National Center for Biotechnology InformationU. Chinese Journal of Geochemistry. Depth-related changes of sediment ammonia-oxidizing microorganisms in a high-altitude freshwater wetland.

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Our results revealed high diverse archaea community in the sediment of Poyang Lake, including Bathyarchaeota Journal of Geochemical Exploration. The metal contents of Zn, Cd, Cu, and Pb among different sites. The physicochemical properties of sediment samples from Poyang Lake were heterogeneous among sites.

Competing Interests The authors declare that there is no conflict of interests regarding the publication of this paper. Households’ willingness to reduce pollution threats in the Poyang Lake region, southern China. Some previously described groups were included, such as MCG group 5b, group 8, group 4, group 11, group 5a, and group 15 Figure 3.

Aerobic and nitrite-dependent methane-oxidizing microorganisms in sediments of freshwater lakes on the Yunnan Plateau. The recently proposed phylum Thaumarchaeota in lake sediment archaea community has been sporadically reported [ 54 — 56 ].


Local conditions structure unique archaeal communities in the anoxic sediments of meromictic Lake Kivu.

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W ft pSI’ Table 2 Summary statistics of archaea phylogenetic diversity in this study. Archaea community is less influenced by environmental factors compared with bacteria [ 13 ]; several parameters are found to affect the distribution of archaea in lake sediments.

You are using an outdated version of Internet Explorer. Phylogenetic analysis of the sediment archaea 16S rRNA gene libraries revealed high diversity in Poyang Lake, and the majority of archaea community belonged to common groups of river and lake sediments.

The effect of TOC on archaea community could bbi explained by the notion that TOC affected the abundance of predominant archaea groups, like Methanomicrobiales and Methanocellales Figure 5Table 3. This point was also validated in this study where the abundance of Methanomicrobiales was positively correlated with TOC content. Frontiers in Ecology and the Environment. Bathyarchaeota was believed to have an organic heterotrophic lifestyle and can degrade buried organic carbon and detrital proteins in subsurface sediments [ 3637 ].

Compared to bacteria, the diversity and community distribution of sediment archaea have received much less attention in freshwater lake environments. Methane metabolism in the archaeal bgj Bathyarchaeota revealed by genome-centric metagenomics. Thermoplasmatales has a notable proportion in the Poyang Lake sediment of this study, which might emphasis the active methanogenesis. The dominance of Methanomicrobiales and Methanosarcinales in sedimental archaea community of this study was not a single bi, and similar results have also been reported in other freshwater lakes, such as Lake Biwa [ 41 ], Lake Soyang [ 42 ], and Lake Dagow [ 43 ].


Annual and seasonal streamflow responses to climate and land-cover changes in the Poyang Lake basin, China. This article has been cited by other articles in PMC. Published online Dec Articles from Archaea are provided here courtesy of Hindawi Limited.

Meanwhile, the eutrophication and pollution caused by agriculture, aquiculture, and industrial activities threatened the water safety [ 17 — 19 ].

Annals of the 751–1 York Academy of Sciences. NI 35MI rft. Materials and Methods 2. N reflected the shortage of nitrogen in sediment and restricted the archaeal diversity.

S ; 13 Methanogenesis pathways in a stratified eutrophic alpine lake Lake Bled, Slovenia Limnology and Oceanography.

Aquatic sediments are important sites for matter transformation and energy metabolisms.

The main composition of the whole archaeal community was also shown in the pie chart. Sediment samples were timely freeze-dried to detect geochemical characteristics.

Poyang Lake in China.