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Comparative genomic analyses of aerobic planctomycetes isolated from the deep sea and the ocean surface.
Antonie Van Leeuwenhoek
November 2024
Department of Biology, Faculty of Sciences and CIIMAR, University of Porto, Porto, Portugal.
Article Synopsis
- A diverse range of microbes live around hydrothermal vents on the seafloor, thriving in harsh conditions like high pressure, extreme temperatures, and total darkness.
- Researchers studied three aerobic strains of Planctomycetota isolated from deep-sea iron-rich deposits in the Arctic and Pacific Oceans.
- The genomic analysis showed that these deep-sea strains do not significantly differ from their surface-dwelling relatives, indicating a non-extreme genomic makeup despite their extreme habitat.
Nanocrystalline iron hydroxide lignocellulose filters for arsenate remediation.
RSC Sustain
March 2024
Department of Chemistry and Biochemistry, Department of Ocean and Mechanical Engineering, Florida Atlantic University Boca Raton FL 33431 USA
Harmful levels of environmental contaminants, such as arsenic (As), persist readily in the environment, threatening safe drinking water supplies in many parts of the world. In this paper, we present a straightforward and cost-effective filtration technology for the removal of arsenate from potable water. Biocomposite filters comprised of nanocrystalline iron oxides or oxyhydroxides mineralized within lignocellulose scaffolds constitute a promising low cost, low-tech avenue for the removal of these contaminants.
View Article and Find Full Text PDFEnrichment mechanisms for the co-occurrence of arsenic-fluoride-iodine in the groundwater in different sedimentary environments of the Hetao Basin, China.
Sci Total Environ
September 2022
School of Water Conservancy and Environment, University of Jinan, 250022, China.
Abnormal levels of co-occurring arsenic (As), fluoride (F) and iodine (I) in groundwater at the Hetao Basin are geochemically unique. The abnormal distribution of As, F and I is obviously related to the sedimentary environment. It is necessary to study the enrichment mechanisms for the co-occurrence of As, F and I in groundwater under the influence of the sedimentary environment in Hetao Basin.
View Article and Find Full Text PDFIsotopic reconstruction of iron oxidation-reduction process based on an Archean Ocean analogue.
Sci Total Environ
April 2022
CAS Key Laboratory of Crust-Mantle Materials and Environments, School of Earth and Space Sciences, University of Science and Technology of China, Hefei 230026, China.
The chemical composition and redox conditions of the Precambrian ocean are key factors for reconstructing the temporal evolution of atmospheric oxygen through time. In particular, the isotopic composition of iron are useful proxies for reconstructing paleo-ocean environments. Yet, respective processes and related signatures are poorly constrained, hindering the reconstruction of iron redox mechanisms in the Archean ocean.
View Article and Find Full Text PDFCorrection to: Diversity of Planctomycetes in iron-hydroxide deposits from the Arctic Mid Ocean Ridge (AMOR) and description of Bythopirellula goksoyri gen. nov., sp. nov., a novel Planctomycete from deep sea iron-hydroxide deposits.
Antonie Van Leeuwenhoek
August 2021
Department of Biological Sciences, University of Bergen, Thormøhlensgate 53B, Postbox 7803, 5020, Bergen, Norway.
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