Microbial communities associated with ferromanganese nodules and the surrounding sediments [PDF]
Frontiers in Microbiology, 2013 The formation and maintenance of deep-sea ferromanganese/polymetallic nodules still remains a mystery 140 years after their discovery. The wealth of rare metals concentrated in these nodules has spurred global interest in exploring the mining potential ...
Benjamin J Tully, Karla B Heidelberg
exaly +7 more sources
The Mechanism of Microbial-Ferromanganese Nodule Interaction and the Contribution of Biomineralization to the Formation of Oceanic Ferromanganese Nodules [PDF]
Microorganisms, 2021 Ferromanganese nodules are an important mineral resource in the seafloor; however, the genetic mechanism is still unknown. The biomineralization of microorganisms appears to promote ferromanganese nodule formation.
Jing Lyu +5 more
doaj +5 more sources
Heavy Metal Enrichment in Ferromanganese Nodules and Soil Ecological Risk Assessment in the Karst Area with High Geological Background [PDF]
ToxicsFerromanganese nodules exhibit strong capacity for heavy metal immobilization and are thus a crucial contributor to the high geological background in karst areas.
Xiangru Zhang +6 more
doaj +2 more sources
Fast-growing Arctic Fe–Mn deposits from the Kara Sea as the refuges for cosmopolitan marine microorganisms [PDF]
Scientific Reports, 2022 The impact of biomineralization and redox processes on the formation and growth of ferromanganese deposits in the World Ocean remains understudied. This problem is particularly relevant for the Arctic marine environment where sharp seasonal variations of
Natalia Shulga +4 more
doaj +2 more sources
Non-proteinogenic β-alanine metabolism in Halomonas sp. MNB13 regulates manganese reduction in deep-sea ferromanganese nodules [PDF]
Applied and Environmental MicrobiologyDeep-sea ferromanganese nodules are valuable materials for investigating microorganism-mediated geochemical cycling of manganese. While many microbial metabolic pathways are closely associated with manganese reduction, few studies have examined the role ...
Shuju Guo +6 more
doaj +2 more sources
Microbe-driven elemental cycling enables microbial adaptation to deep-sea ferromanganese nodule sediment fields [PDF]
Microbiome, 2023 Background Ferromanganese nodule-bearing deep-sea sediments cover vast areas of the ocean floor, representing a distinctive habitat in the abyss. These sediments harbor unique conditions characterized by high iron concentration and low degradable ...
Dechao Zhang +9 more
doaj +2 more sources
Genomic insights into the alphaproteobacterium Georhizobium sp. MAB10 revealed a pathway of Mn(II) oxidation-coupled anoxygenic photoautotrophy: a novel understanding of the biotic process in deep-sea ferromanganese nodule formation [PDF]
mBioUnder light conditions, Mn(II) facilitates the photoautotrophic growth of Georhizobium sp. MAB10, a strain derived from deep-sea ferromanganese nodules, along with the generation of dark Mn oxides (β-MnO2). This study investigated the genetic basis of Mn(
Xiuli Xu +5 more
doaj +2 more sources
Reply to Boudreau: Morphologic expression of ferromanganese nodules [PDF]
Proc Natl Acad Sci U S A, 2008 The statement that nodule formation, especially morphology, can be predicted by the Boudreau diagenetic model led us to state that “diagenetic models that claim to predict nodule growth rate and morphologies from elemental concentrations (1) are not verified by our data” for Second Connecticut Lake (SCL), New Hampshire (2).
Asikainen C.
europepmc +3 more sources
Multiscale Brazil nut effects in bioturbated sediment [PDF]
Scientific Reports, 2022 Size segregation in granular materials is a universal phenomenon popularly known as the Brazil nut effect (BNE), from the tendency of larger nuts to end on the top of a shaken container.
Tatiana Savranskaia +2 more
doaj +2 more sources
Local distribution of cobalt and selective enrichment of platinum in oceanic ferromanganese nodules [PDF]
E3S Web of Conferences, 2019 The distribution of cobalt in the structure of ferromanganese nodules (FMN) was studied using beta-autoradiography. In some cases, the content of element increased in the outer part of the nodules, or in thin layers within the nodules.
Belyanin Dmitriy +3 more
doaj +1 more source