Microbial biosignatures in ancient deep‐sea hydrothermal sulfides

EA Runge, M Mansor, A Kappler, JP Duda - Geobiology, 2023 - Wiley Online Library
Deep‐sea hydrothermal systems provide ideal conditions for prebiotic reactions and ancient
metabolic pathways and, therefore, might have played a pivotal role in the emergence of life …

Sulfidation of nano-magnetite to pyrite: Implications for interpreting paleoenvironmental proxies and biosignature records in hydrothermal sulfide deposits

EA Runge, M Mansor, J Shuster, S Fischer, Y Liu… - Earth and Planetary …, 2023 - Elsevier
Nano-magnetite is a potential archive for biosignatures and paleoenvironmental proxies in
hydrothermal systems. However, sulfidic diagenesis at hydrothermal conditions potentially …

Chemical extraction of iron from carbonate in banded iron formations for isotope analysis

ES Rego, V Busigny, P Philippot - Chemical Geology, 2022 - Elsevier
The iron isotope composition of iron-bearing carbonates is commonly used to obtain insights
into ancient environmental conditions. However, it is often challenging to target only Fe …

[HTML][HTML] Les bactéries magnétotactiques: écologie, diversité et applications

N Yahiaoui - planet-vie.ens.fr
Dans le contexte de la motilité de cellules uniques, les mécanismes d'orientation dans
l'espace sont divers et impliquent de pouvoir percevoir certains signaux présents dans …