ArticleBiology2021
Manganese-Oxidizing Antarctic Bacteria (Mn-Oxb) Release Reactive Oxygen Species (ROS) as Secondary Mn(II) Oxidation Mechanisms to Avoid Toxicity.
Article in Biology, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed, 27 citations in OpenAlex.
- Multi-omic landscape of Mn(Ⅱ) oxidation in Achromobacter pulmonis ss21: from multicopper oxidase to metabolic support electron transfer.World journal of microbiology & biotechnology · 2026Article
- Bioleaching of olivine and enstatite with formation of Mg-oxalate mediated by engineered Gluconobacter oxydans.Scientific reports · 2026Article
- Synergy between reactive manganese species and enzymes drives litter decomposition hotspots.Nature communications · 2026Article
- Effects of Organic Substrate Concentrations on Biological Mn Oxidation and Reduction under Aerobic Conditions.Microbes and environments · 2026Article
- Enhanced Antibacterial Efficacy of Copper Single-Atom Catalysts on a Two-Dimensional Boron Nitride Platform.ACS nano · 2025Article
- Functional and Genomic Evidence of L-Arginine-Dependent Bacterial Nitric Oxide Synthase Activity inBiology · 2025Article
- White-rot fungi scavenge reactive oxygen species, which drives pH-dependent exo-enzymatic mechanisms and promotes COFrontiers in microbiology · 2023Article
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Authors and funding
5 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Manganese (Mn) oxidation is performed through oxidative Mn-oxidizing bacteria (MnOxb) as the main bio-weathering mechanism for Mn(III/IV) deposits during soil formation. However, with an increase in temperature, the respiration rate also increases, producing Reactive Oxygen Species (ROS) as by-products, which are harmful to microbial cells. We hypothesize that bacterial ROS oxidize Mn(II) to Mn(III/IV) as a secondary non-enzymatic temperature-dependent mechanism for cell protection. Fourteen MnOxb were isolated from Antarctic soils under the global warming effect, and peroxidase (PO) activity, ROS, and Mn(III/IV) production were evaluated for 120 h of incubation at 4 °C, 15 °C, and 30 °C. ROS contributions to Mn oxidation were evaluated in
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