Iron: Life's primeval transition metal

JE Johnson, TM Present, JS Valentine - Proceedings of the National …, 2024 - pnas.org
Modern life requires many different metal ions, which enable diverse biochemical functions.
It is commonly assumed that metal ions' environmental availabilities controlled the evolution …

Mineral paragenesis in Paleozoic manganese ore deposits: Depositional versus post-depositional formation processes

H Yan, DH Pi, SY Jiang, J Mao, L Xu, X Yang… - … et Cosmochimica Acta, 2022 - Elsevier
Unlike modern Mn (IV)-dominated manganese nodules, ancient manganese deposits
primarily contain Mn (II)(manganous) mineral phases. The general assumption is that these …

Exploring the secondary mineral products generated by microbial iron respiration in Archean ocean simulations

C Nims, JE Johnson - Geobiology, 2022 - Wiley Online Library
Marine chemical sedimentary deposits known as Banded Iron Formations (BIFs) archive
Archean ocean chemistry and, potentially, signs of ancient microbial life. BIFs contain a …

Porphyrin-Based Molecules in the Fossil Record Shed Light on the Evolution of Life

JD Ayala, ER Schroeter, MH Schweitzer - Minerals, 2024 - mdpi.com
The fossil record demonstrates the preservation of porphyrins (eg, heme) in organic
sediments and the fossilized remains of animals. These molecules are essential …

Spectral detection of nanophase iron minerals produced by Fe (III)-reducing hyperthermophilic crenarchaea

S Kashyap, EC Sklute, P Wang, TJ Tague Jr… - Astrobiology, 2023 - liebertpub.com
Mineral transformations by two hyperthermophilic Fe (III)-reducing crenarchaea, Pyrodictium
delaneyi and Pyrobaculum islandicum, were examined using synthetic nanophase …

[HTML][HTML] Biomineralization of amorphous -, - and -rich mineral phases by cyanobacteria under oxic and alkaline conditions

K Benzerara, A Elmaleh, M Ciobanu… - …, 2023 - bg.copernicus.org
Iron and manganese are poorly soluble elements in oxic and alkaline solutions, whereas
they are much more soluble under anoxic conditions. As a result, the formation of authigenic …

Mineralogy of the 1.45 Ga Wafangzi manganese deposit in North China: Implications for pulsed Mesoproterozoic oxygenation events

H Yan, L Xu, J Mao, D Tang, X Yang, Y Bai… - American …, 2024 - degruyter.com
Ancient manganese (Mn) deposits are primarily characterized by the presence of Mn (II)
carbonates that likely formed by the diagenetic reduction of precursor Mn (IV) oxides. As …

Biomineralization of Fe-and Mn-rich silicates by cyanobacteria under oxic and alkaline conditions

K Benzerara, A Elmaleh, M Ciobanu… - Biogeosciences …, 2023 - bg.copernicus.org
Iron and manganese are poorly soluble elements in oxic and alkaline solutions, whereas
they are much more soluble under anoxic conditions. As a result, the formation of authigenic …

Exploring the impact of silica and divalent cations on microbial iron respiration and secondary mineral products in Archean ocean simulations

C Nims - 2021 - deepblue.lib.umich.edu
Widespread chemical sedimentary deposits known as Banded Iron Formations (BIFs)
archive Archean ocean chemistry and, potentially, traces of ancient microbial life. Microbial …

Correction of Mineral Metabolism Disorders in Young Camels

TN Babkina, AG Tabackaja, NV Lenkova - KnE Life Sciences, 2021 - knepublishing.com
This article examines the effectiveness of the treatment of rickets in young camels bred in the
Republic of Kalmykia with tricalcium phosphate and tricalcium phosphate with granuvite E …