ArticleEnvironmental microbiology2021
Metabolic flexibility of SUP05 under low DO growth conditions.
Article in Environmental microbiology, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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Who cites it
11 citing papers in PubMed, 18 citations in OpenAlex.
- Dissolved oxygen concentrations influence microbial community structure and key players in an oxygen minimum zone.mSphere · 2026Article
- Metabolically flexible microorganisms rapidly establish glacial foreland ecosystems.Nature communications · 2025Article
- Metagenomic binning reveals community and functional characteristics of sulfur- and methane-oxidizing bacteria in cold seep sponge ground.Environmental microbiome · 2025Article
- Dark ocean archaeal and bacterial chemoautotrophs drive vitamin B1 production in oxygen minimum zones.ISME communications · 2025Article
- Microbial communities and metabolic functions vary with spatial heterogeneity in cold-seep carbonates.ISME communications · 2025Article
- Ecological dynamics explain modular denitrification in the ocean.Proceedings of the National Academy of Sciences of the United States of America · 2024Article
- Recovery of 1559 metagenome-assembled genomes from the East China Sea's low-oxygen region.Scientific data · 2024Article
- Prokaryote Distribution Patterns along a Dissolved Oxygen Gradient Section in the Tropical Pacific Ocean.Microorganisms · 2023Article
- Sulfur cycling connects microbiomes and biogeochemistry in deep-sea hydrothermal plumes.The ISME journal · 2023Article
- Seasonal bacterial niche structures and chemolithoautotrophic ecotypes in a North Atlantic fjord.Scientific reports · 2022Article
- Microbial community structures and important taxa across oxygen gradients in the Andaman Sea and eastern Bay of Bengal epipelagic waters.Frontiers in microbiology · 2022Article
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Authors and funding
4 authors at 2 institutions in 1 country.
Funding
Abstract
Chemoautotrophic bacteria from the SUP05 clade often dominate anoxic waters within marine oxygen minimum zones (OMZs) where they use energy gained from the oxidation of reduced sulfur to fuel carbon fixation. Some of these SUP05 bacteria are facultative aerobes that can use either nitrate or oxygen as a terminal electron acceptor making them ideally suited to thrive at the boundaries of OMZs where they experience fluctuations in dissolved oxygen (DO). SUP05 metabolism in these regions, and therefore the biogeochemical function of SUP05, depends largely on their sensitivity to oxygen. We evaluated growth and quantified differences in gene expression in Ca. T. autotrophicus strain EF1 from the SUP05 clade under high DO (22 μM), anoxic, and low DO (3.8 μM) concentrations. We show that strain EF1 cells respire oxygen and nitrate and that cells have higher growth rates, express more genes, and fix more carbon when oxygen becomes available for aerobic respiration. Evidence that facultatively aerobic SUP05 are more active and respire nitrate when oxygen becomes available at low concentrations suggests that they are an important source of nitrite across marine OMZ boundary layers.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.