Key signatures of magnetofossils elucidated by mutant magnetotactic bacteria and micromagnetic calculations

M Amor, J Wan, R Egli, J Carlut, C Gatel… - Journal of …, 2022 - Wiley Online Library
Magnetotactic bacteria (MTB) produce single‐stranded or multi‐stranded chains of magnetic
nanoparticles that contribute to the magnetization of sediments and rocks. Their magnetic …

Mind the gap: Towards a biogenic magnetite palaeoenvironmental proxy through an extensive finite-element micromagnetic simulation

TA Berndt, L Chang, Z Pei - Earth and Planetary Science Letters, 2020 - Elsevier
Magnetotactic bacteria (MTB) preserved in sediments (magnetofossils) are highly sensitive
to environmental and climatic forcing and can therefore be used as an easy-to-measure …

Bullet‐shaped magnetite biomineralization within a magnetotactic Deltaproteobacterium: implications for magnetofossil identification

J Li, N Menguy, AP Roberts, L Gu… - Journal of …, 2020 - Wiley Online Library
Magnetite produced by magnetotactic bacteria (MTB) provides stable paleomagnetic signals
because it occurs as natural single‐domain magnetic nanocrystals. MTB can also provide …

Magnetic anisotropy, magnetostatic interactions and identification of magnetofossils

J Li, W Wu, Q Liu, Y Pan - Geochemistry, Geophysics …, 2012 - Wiley Online Library
Single‐domain magnetite particles produced by magnetotactic bacteria (MTB) and aligned
in chains, called magnetosomes, are potentially important recorders of paleomagnetic …

Magnetotactic bacteria and magnetofossils: ecology, evolution and environmental implications

P Goswami, K He, J Li, Y Pan, AP Roberts… - npj Biofilms and …, 2022 - nature.com
Magnetotactic bacteria (MTB) are a group of phylogenetically diverse and morphologically
varied microorganisms with a magnetoresponsive capability called magnetotaxis or …

Magnetic detection and characterization of biogenic magnetic minerals: A comparison of ferromagnetic resonance and first‐order reversal curve diagrams

L Chang, AP Roberts, M Winklhofer… - Journal of …, 2014 - Wiley Online Library
Biogenic magnetic minerals produced by magnetotactic bacteria occur ubiquitously in
natural aquatic environments. Their identification and characterization are important for …

Diverse phylogeny and morphology of magnetite biomineralized by magnetotactic cocci

P Liu, Y Liu, X Zhao, AP Roberts… - Environmental …, 2021 - Wiley Online Library
Magnetotactic bacteria (MTB) are diverse prokaryotes that produce magnetic nanocrystals
within intracellular membranes (magnetosomes). Here, we present a large‐scale analysis of …

Rock magnetic properties of uncultured magnetotactic bacteria

Y Pan, N Petersen, M Winklhofer, AF Davila… - Earth and Planetary …, 2005 - Elsevier
Understanding the magnetic properties of magnetite crystals (Fe3O4) produced by
magnetotactic bacteria (MTBs) is of fundamental interest in fields of geosciences …

Chains, clumps, and strings: Magnetofossil taphonomy with ferromagnetic resonance spectroscopy

RE Kopp, BP Weiss, AC Maloof, H Vali, CZ Nash… - Earth and Planetary …, 2006 - Elsevier
Magnetotactic bacteria produce intracellular crystals of magnetite or greigite, the properties
of which have been shaped by evolution to maximize the magnetic moment per atom of iron …

The fidelity of paleomagnetic records carried by magnetosome chains

GA Paterson, Y Wang, Y Pan - Earth and Planetary Science Letters, 2013 - Elsevier
Magnetotactic bacteria (MTB), which use aligned chains of magnetosomes (magnetic
crystals) as a navigation tool, are found in a wide range of modern day marine, river and …