Biogeochemical cycles of iron: Processes, mechanisms, and environmental implications.
Sci Total Environ
; 951: 175722, 2024 Nov 15.
Article
em En
| MEDLINE
| ID: mdl-39187081
ABSTRACT
The iron (Fe) biogeochemical cycle is critical for abiotic and biological environmental processes that overlap spatially and may compete with each other. The development of modern molecular biology technologies promoted the understanding of the electron transport mechanisms of Fe-cycling-related microorganisms. Recent studies have revealed a novel pathway for microaerophilic ferrous iron (Fe(II))-oxidizers in extracellular Fe(II) oxidation. In addition, OmcS, OmcZ, and OmcE nanowires on the cell surface have been shown to promote electron transfer between microorganisms and their environment. These processes affect the fate of pollutants in directly or indirectly ways, such as greenhouse gas emissions. In this review, these advances and the environmental implications of the Fe cycle process were discussed, with a particular focus on the mechanisms of intracellular or extracellular electron transport in microorganisms.
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Texto completo:
1
Base de dados:
MEDLINE
Assunto principal:
Oxirredução
/
Ferro
Idioma:
En
Ano de publicação:
2024
Tipo de documento:
Article