ArticleProceedings. Biological sciences2017
Diatoms dominate the eukaryotic metatranscriptome during spring in coastal 'dead zone' sediments.
Article in Proceedings. Biological sciences, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed, 20 citations in OpenAlex.
- Environmental drivers and key taxa shaping diatom-dinoflagellate ratios in eutrophic coastal waters.Marine life science & technology · 2026Article
- Taxonomic Study of Sixteen Unrecorded and Five New Species ofMycobiology · 2025Article
- Baltic Sea coastal sediment-bound eukaryotes have increased year-round activities under predicted climate change related warming.Frontiers in microbiology · 2024Article
- Using metatranscriptomics to better understand the role of microbial nitrogen cycling in coastal sediment benthic flux denitrification efficiency.Environmental microbiology reports · 2023Article
- Interplay between eutrophication and climate warming on bacterial communities in coastal sediments differs depending on water depth and oxygen history.Scientific reports · 2021Article
- Oxygenation of Hypoxic Coastal Baltic Sea Sediments Impacts on Chemistry, Microbial Community Composition, and Metabolism.Frontiers in microbiology · 2017Article
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Authors and funding
4 authors at 1 institution in 2 countries.
Funding
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Abstract
An important characteristic of marine sediments is the oxygen concentration that affects many central metabolic processes. There has been a widespread increase in hypoxia in coastal systems (referred to as 'dead zones') mainly caused by eutrophication. Hence, it is central to understand the metabolism and ecology of eukaryotic life in sediments during changing oxygen conditions. Therefore, we sampled coastal 'dead zone' Baltic Sea sediment during autumn and spring, and analysed the eukaryotic metatranscriptome from field samples and after incubation in the dark under oxic or anoxic conditions. Bacillariophyta (diatoms) dominated the eukaryotic metatranscriptome in spring and were also abundant during autumn. A large fraction of the diatom RNA reads was associated with the photosystems suggesting a constitutive expression in darkness. Microscope observation showed intact diatom cells and these would, if hatched, represent a significant part of the pelagic phytoplankton biomass. Oxygenation did not significantly change the relative proportion of diatoms nor resulted in any major shifts in metabolic 'signatures'. By contrast, diatoms rapidly responded when exposed to light suggesting that light is limiting diatom development in hypoxic sediments. Hence, it is suggested that diatoms in hypoxic sediments are on 'standby' to exploit the environment if they reach suitable habitats.
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