The biologically relevant coordination chemistry of iron and nitric oxide: electronic structure and reactivity

N Lehnert, E Kim, HT Dong, JB Harland… - Chemical …, 2021 - ACS Publications
iron complexes (DNICs) can serve as an alternative vehicle for NO storage and transport. …
Although NOS isozymes also exist in bacteria, the structures of these enzymes in bacteria

Iron-organic matter complexes accelerate microbial iron cycling in an iron-rich fen

S Kügler, RE Cooper, CE Wegner, JF Mohr… - Science of the total …, 2019 - Elsevier
The accessibility of iron (Fe) species for microbial processes is dependent on solubility and
redox state, which are influenced by complexation with dissolved organic matter (DOM) and …

Fe (II) redox chemistry in the environment

J Huang, A Jones, TD Waite, Y Chen, X Huang… - Chemical …, 2021 - ACS Publications
… applications of zerovalent iron, microbial processes, … and inorganic compounds are not
discussed in detail. These … to aid in the transport of iron across cell membranes with this …

[HTML][HTML] Bacterial iron detoxification at the molecular level

JM Bradley, DA Svistunenko, MT Wilson… - … of Biological Chemistry, 2020 - ASBMB
… of iron homeostasis between different bacteria, while acknowledging important variations.
In this way, we hope to illustrate how bacteria … of the insolubility and potential toxicity of iron. …

Hydroxamates and polycarboxylates as iron transport agents (siderophores) in fungi

D van der Helm, G Winkelmann - Metal ions in fungi, 2020 - taylorfrancis.com
… Therefore, soluble iron is not available to microorganisms without a solubilization system.
Many aerobic and faculative anaerobic microorganisms therefore produce, under iron-…

An evolving view on biogeochemical cycling of iron

A Kappler, C Bryce, M Mansor, U Lueder… - … Reviews Microbiology, 2021 - nature.com
transport potentials 23 . Colloidal iron minerals have a higher potential for being transported
than particulates, making them important vectors for mobilization and transport of iron and …

Why microbes secrete molecules to modify their environment: the case of iron-chelating siderophores

GE Leventhal, M Ackermann… - Journal of the Royal …, 2019 - royalsocietypublishing.org
… , we find that release of siderophores can be of key importance to overcome iron limitation
in conditions where mass transfer limits iron uptake. Under these conditions, where …

AQDS and redox-active NOM enables microbial Fe (III)-mineral reduction at cm-scales

Y Bai, A Mellage, OA Cirpka, T Sun… - Environmental …, 2020 - ACS Publications
transfer from Fe(III)-reducing bacteria (FeRB) to terminal electron acceptors such as Fe(III)
minerals. In this research, we examined the length scale over which this electron shuttling can …

[HTML][HTML] Heterogeneity in respiratory electron transfer and adaptive iron utilization in a bacterial biofilm

Y Qin, Y He, Q She, P Larese-Casanova, P Li… - Nature …, 2019 - nature.com
iron (Fe 3+ ) under neutral pH (10 −18 M) 8 . Bacteria thus developed various strategies to
uptake iron from … When intracellular levels of iron are low, bacteria turn on multiple iron uptake …

Second‐coordination sphere effects on selectivity and specificity of heme and nonheme iron enzymes

SP de Visser - Chemistry–A European Journal, 2020 - Wiley Online Library
… These second‐coordination sphere effects originate from the … ‐coordination sphere iron
ligands and/or the substrate. Examples of all of these second‐coordination sphere effects in iron‐…