The link between biomineralization and fossilization of bacteria: insights from field and experimental studies

J Li, K Benzerara, S Bernard, O Beyssac - Chemical Geology, 2013 - Elsevier
Fossil biominerals and fossils of microorganisms in ancient rocks contain important
biogeochemical signals. Decoding this record may reveal crucial information about the …

Earth as a tool for astrobiology—a European perspective

Z Martins, H Cottin, JM Kotler, N Carrasco… - Space Science …, 2017 - Springer
Scientists use the Earth as a tool for astrobiology by analyzing planetary field analogues (ie
terrestrial samples and field sites that resemble planetary bodies in our Solar System). In …

Biosignatures on Mars: what, where, and how? Implications for the search for martian life

F Westall, F Foucher, N Bost, M Bertrand, D Loizeau… - Astrobiology, 2015 - liebertpub.com
The search for traces of life is one of the principal objectives of Mars exploration. Central to
this objective is the concept of habitability, the set of conditions that allows the appearance …

Carbonate and silicate biomineralization in a hypersaline microbial mat (Mesaieed sabkha, Qatar): Roles of bacteria, extracellular polymeric substances and viruses

E Perri, ME Tucker, M Słowakiewicz, F Whitaker… - …, 2018 - Wiley Online Library
In a modern peritidal microbial mat from Qatar, both biomediated carbonates and Mg‐rich
clay minerals (palygorskite) were identified. The mat, ca 5 cm thick, shows a clear lamination …

[HTML][HTML] Early entombment within silica minimizes the molecular degradation of microorganisms during advanced diagenesis

J Alleon, S Bernard, C Le Guillou, D Daval… - Chemical …, 2016 - Elsevier
Most ancient organic microfossils delicately preserved in 3D have been found in cherts.
Although entombment within silica has been shown to promote morphological preservation …

Astrovirology: viruses at large in the universe

AJ Berliner, T Mochizuki, KM Stedman - Astrobiology, 2018 - liebertpub.com
Viruses are the most abundant biological entities on modern Earth. They are highly diverse
both in structure and genomic sequence, play critical roles in evolution, strongly influence …

Plant paleopathology and the roles of pathogens and insects

CC Labandeira, R Prevec - International Journal of Paleopathology, 2014 - Elsevier
Plant pathologies are the consequence of physical and chemical responses by plants to
invasive microorganisms or to imbalances in nutritional or environmental conditions. Many …

Biomineralization processes in modern calcareous tufa: Possible roles of viruses, vesicles and extracellular polymeric substances (Corvino Valley–Southern Italy)

E Perri, M Słowakiewicz, ID Perrotta… - Sedimentology, 2022 - Wiley Online Library
A modern lithifying biofilm, associated with fluvial calcareous tufa in southern Italy, is
composed of a complex community of micro‐organisms including autotrophic and …

Silicified Microorganisms and Microorganism-Like Particles in the Groundwater of an Abandoned Coal Mine

G Shao, C Li, R Liu, P Zhang, L Zuo, Y Wang - Mine Water and the …, 2023 - Springer
Relatively little research has been conducted on the preservation of microorganisms and
microbial particles in the groundwater of abandoned mines (GAM). In this study, silicified …

Viruses in astrobiology

I de la Higuera, E Lázaro - Frontiers in Microbiology, 2022 - frontiersin.org
Viruses are the most abundant biological entities on Earth, and yet, they have not received
enough consideration in astrobiology. Viruses are also extraordinarily diverse, which is …