Astrobiological potential of rocks acquired by the Perseverance rover at a sedimentary fan front in Jezero crater, Mars

T Bosak, DL Shuster, EL Scheller, S Siljeström… - AGU …, 2024 - Wiley Online Library
The Perseverance rover has collected seven oriented samples of sedimentary rocks, all
likely older than the oldest signs of widespread life on Earth, at the exposed base of the …

Predicted metabolic roles and stress responses provide insights into candidate phyla Hydrogenedentota and Sumerlaeota as members of the rare biosphere in …

EJ Skoog, T Bosak - Environmental Microbiology Reports, 2024 - Wiley Online Library
Abstract Pustular mats from Shark Bay, Western Australia, host complex microbial
communities bound within an organic matrix. These mats harbour many poorly …

Nanoscale characterization of Ediacaran microfossils from lower Doushantuo formation chert nodules

S Cheng, L Feng, C Zhang, L Cui, W Liu, H Qiu, S He… - Chemical …, 2024 - Elsevier
Microfossils identification, especially in very old rocks, is extremely challenging because
morphological and chemical signatures of microfossils are subtle and inevitably altered with …

Primary microfossiliferous chert in the Aptian Barra Velha Formation

KR Moore, A Crémière, TM Present, A Barnett… - …, 2024 - Wiley Online Library
ABSTRACT The Barra Velha Formation and other Aptian pre‐salt deposits record the history
of the proto‐Atlantic basin and the rifting of Gondwana. Studies have sought to characterize …

Controls on authigenic mineralization in experimental Ediacara‐style preservation

S Slagter, KO Konhauser, DEG Briggs… - Geobiology, 2024 - Wiley Online Library
The earliest evidence of complex macroscopic life on Earth is preserved in Ediacaran‐aged
siliciclastic deposits as three‐dimensional casts and molds, known as Ediacara‐style …

[HTML][HTML] Assessing the Influence of HGT on the Evolution of Stress Responses in Microbial Communities from Shark Bay, Western Australia

EJ Skoog, GP Fournier, T Bosak - Genes, 2023 - mdpi.com
Pustular microbial mats in Shark Bay, Western Australia, are modern analogs of microbial
systems that colonized peritidal environments before the evolution of complex life. To …

Neoarchean Microfossils and Microbialites Inform the Search for Extraterrestrial Life in the Solar System

A Corpolongo - 2024 - rave.ohiolink.edu
Abstract The Great Oxygenation Event is the period, between 2.3 and 2.4 billion years ago,
when oxygen began to accumulate in Earth's atmosphere. It was arguably the most …