Anthropogenic and environmental constraints on the microbial methane cycle in coastal sediments

AJ Wallenius, P Dalcin Martins, CP Slomp… - Frontiers in …, 2021 - frontiersin.org
Large amounts of methane, a potent greenhouse gas, are produced in anoxic sediments by
methanogenic archaea. Nonetheless, over 90% of the produced methane is oxidized via …

The biogeochemistry of ferruginous lakes and past ferruginous oceans

ED Swanner, N Lambrecht, C Wittkop, C Harding… - Earth-Science …, 2020 - Elsevier
Anoxic and iron-rich (ferruginous) conditions prevailed in the ocean under the low-oxygen
atmosphere that occurred through most of the Archean Eon. While euxinic conditions (ie …

[PDF][PDF] Investigating the effects of anthropogenic stressors on lake biota using sedimentary DNA

C Barouillet, ME Monchamp, S Bertilsson… - Freshwater …, 2022 - diva-portal.org
Analyses of sedimentary DNA (sedDNA) have increased exponentially over the last decade
and hold great potential to study the effects of anthropogenic stressors on lake biota over …

Insights into ecological role of a new deltaproteobacterial order Candidatus Acidulodesulfobacterales by metagenomics and metatranscriptomics

S Tan, J Liu, Y Fang, BP Hedlund, ZH Lian… - The ISME …, 2019 - academic.oup.com
Several abundant but yet uncultivated bacterial groups exist in extreme iron-and sulfur-rich
environments, and the physiology, biodiversity, and ecological roles of these bacteria …

High concentrations of dissolved biogenic methane associated with cyanobacterial blooms in East African lake surface water

S Fazi, S Amalfitano, S Venturi, N Pacini… - Communications …, 2021 - nature.com
The contribution of oxic methane production to greenhouse gas emissions from lakes is
globally relevant, yet uncertainties remain about the levels up to which methanogenesis can …

Organic matter mineralization in modern and ancient ferruginous sediments

A Friese, K Bauer, C Glombitza, L Ordoñez… - Nature …, 2021 - nature.com
Deposition of ferruginous sediment was widespread during the Archaean and Proterozoic
Eons, playing an important role in global biogeochemical cycling. Knowledge of organic …

Milk vetch returning reduces rice grain Cd concentration in paddy fields: Roles of iron plaque and soil reducing-bacteria

S Zheng, Y Liao, C Xu, Y Wang, Q Zhang, Q Zhu, H Zhu… - Chemosphere, 2022 - Elsevier
Milk vetch (MV, Astragalus sinicus L.) is used in agricultural production as a green manure;
however, its impact on accumulation levels of heavy metals (eg, Cd) in rice remains poorly …

Microbial community dynamics and cycling of plutonium and iron in a seasonally stratified and radiologically contaminated pond

N Merino, NL Wasserman, F Coutelot, DI Kaplan… - Scientific Reports, 2023 - nature.com
Plutonium (Pu) cycling and mobility in the environment can be impacted by the iron cycle
and microbial community dynamics. We investigated the spatial and temporal changes of …

[HTML][HTML] Formation of diagenetic siderite in modern ferruginous sediments

A Vuillemin, R Wirth, H Kemnitz, AM Schleicher… - …, 2019 - pubs.geoscienceworld.org
Ferruginous conditions prevailed in the world's deep oceans during the Archean and
Proterozoic Eons. Sedimentary iron formations deposited at that time may provide an …

[PDF][PDF] Exploring the abundance, metabolic potential and gene expression of subseafloor Chloroflexi in million-year-old oxic and anoxic abyssal clay

A Vuillemin, Z Kerrigan, S D'Hondt… - FEMS Microbiology …, 2020 - academic.oup.com
Chloroflexi are widespread in subsurface environments, and recent studies indicate that
they represent a major fraction of the communities in subseafloor sediment. Here, we …