Novel insights into the diversity of halophilic microorganisms and their functioning in hypersaline ecosystems

A Oren - npj Biodiversity, 2024‏ - nature.com
Our understanding of the microbial diversity inhabiting hypersaline environments, here
defined as containing> 100–150 g/L salts, has greatly increased in the past five years …

Relevance of earth-bound extremophiles in the search for extraterrestrial life

L Carré, G Zaccai, X Delfosse, E Girard, B Franzetti - Astrobiology, 2022‏ - liebertpub.com
The recent discovery of extrasolar Earth-like planets that orbit in their habitable zone of their
system, and the latest clues of the presence of liquid water in the subsurface of Mars and in …

Single-cell analysis in hypersaline brines predicts a water-activity limit of microbial anabolic activity

ER Paris, N Arandia-Gorostidi, B Klempay… - Science …, 2023‏ - science.org
Hypersaline brines provide excellent opportunities to study extreme microbial life. Here, we
investigated anabolic activity in nearly 6000 individual cells from solar saltern sites with …

Subsurface science and search for life in ocean worlds

JD Lawrence, AD Mullen, FE Bryson… - The Planetary …, 2023‏ - iopscience.iop.org
Several worlds in our solar system are thought to hold oceans of liquid water beneath their
frozen surfaces. These subsurface ice and ocean environments are promising targets in the …

Lipid Biosignatures From SO4‐Rich Hypersaline Lakes of the Cariboo Plateau

F Nichols, A Pontefract… - Journal of …, 2023‏ - Wiley Online Library
Modern and ancient hypersaline brines have been identified across the solar system, but the
habitability of these environments remains unknown. Here, we evaluate organic matter (OM) …

Astrobiology of life on Earth

JE Hallsworth, RL Mancinelli, CA Conley… - Environmental …, 2021‏ - Wiley Online Library
Astrobiology is mistakenly regarded by some as a field confined to studies of life beyond
Earth. Here, we consider life on Earth through an astrobiological lens. Whereas classical …

Translation as a Biosignature

JM McKaig, MG Kim, CE Carr - Astrobiology, 2024‏ - liebertpub.com
Life on Earth relies on mechanisms to store heritable information and translate this
information into cellular machinery required for biological activity. In all known life, storage …

Novel oil‐associated bacteria in Arctic seawater exposed to different nutrient biostimulation regimes

FD Davila Aleman, MA Bautista… - Environmental …, 2024‏ - Wiley Online Library
Abstract The Arctic Ocean is an oligotrophic ecosystem facing escalating threats of oil spills
as ship traffic increases owing to climate change‐induced sea ice retreat. Biostimulation is …

Temporal and Spatial Dynamics of Synechococcus Clade II and Other Microbes in the Eutrophic Subtropical San Diego Bay

KJ Harding, M Nagarkar, M Wang… - Environmental …, 2025‏ - Wiley Online Library
The diversity of the marine cyanobacterium Synechococcus can be broadly separated into
clades, with clade II typically present in warm oligotrophic water, and clades I and IV found in …

The bioburden and ionic composition of hypersaline lake ices: novel habitats on earth and their astrobiological implications

JJ Buffo, EK Brown, A Pontefract, BE Schmidt… - Astrobiology, 2022‏ - liebertpub.com
We present thermophysical, biological, and chemical observations of ice and brine samples
from five compositionally diverse hypersaline lakes in British Columbia's interior plateau …