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 …

Bending and collapse: Magnetic recording fidelity of magnetofossils from micromagnetic simulation

Z Pei, TA Berndt, L Chang, F Bai… - Journal of …, 2022 - Wiley Online Library
Magnetosome chains produced by magnetotactic bacteria are important
paleoenvironmental and paleomagnetic recorders. It has been shown that magnetic …

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 …

Oxidized magnetosomes in magnetotactic bacteria

AU Gehring, M Charilaou, I García-Rubio - Journal of magnetism and …, 2012 - Elsevier
Single domain magnetite particles formed in chain assemblies by magnetotactic bacteria
(MTB) are taken as proxy in inferring environmental and Earth's magnetism. The reliable use …

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 …

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 …

Experimental observation of magnetosome chain collapse in magnetotactic bacteria: Sedimentological, paleomagnetic, and evolutionary implications

A Kobayashi, JL Kirschvink, CZ Nash, RE Kopp… - Earth and Planetary …, 2006 - Elsevier
Magnetotactic bacteria precipitate intracellular crystals of single-domain magnetite (Fe3O4)
and/or greigite (Fe3S4), which have often been implicated in carrying the natural remanent …

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 …

A strong angular dependence of magnetic properties of magnetosome chains: Implications for rock magnetism and paleomagnetism

J Li, K Ge, Y Pan, W Williams, Q Liu… - Geochemistry …, 2013 - Wiley Online Library
Single‐domain magnetite particles produced by magnetotactic bacteria (magnetosomes)
and aligned in chains are of great interest in the biosciences and geosciences. Here, we …

Magnetite magnetosome and fragmental chain formation of Magnetospirillum magneticum AMB-1: Transmission electron microscopy and magnetic observations

J Li, Y Pan, G Chen, Q Liu, L Tian… - Geophysical Journal …, 2009 - academic.oup.com
Stable single-domain (SD) magnetite formed intracellularly by magnetotactic bacteria is of
fundamental interest in sedimentary and environmental magnetism. In this study, we studied …