Detection of biosignatures in Terrestrial analogs of Martian regions: Strategical and technical assessments

JX Shen, Y Chen, Y Sun, L Liu, YX Pan… - Earth and Planetary …, 2022 - eppcgs.org
For decades, the search for potential signs of Martian life has attracted strong international
interest and has led to significant planning and scientific implementation. Clearly, in order to …

Biotic-abiotic mingle in rock varnish formation: A new perspective

AS Chaddha, A Sharma, NK Singh, A Shamsad… - Chemical …, 2024 - Elsevier
Rocks in arid to semi-arid regions all over the world have a naturally occurring coating
called “rock varnish” or “desert varnish” on their surface. These lustrous, black-to-brown …

Plausible emergence and Self Assembly of a primitive phospholipid from reduced phosphorus on the Primordial Earth

MO Gaylor, P Miro, B Vlaisavljevich… - Origins of Life and …, 2021 - Springer
How life arose on the primitive Earth is one of the biggest questions in science. Biomolecular
emergence scenarios have proliferated in the literature but accounting for the ubiquity of …

Geoheritage sites of Quaternary loess–palaeosol and palaeo-fluvio-lacustrine deposits in Northwest Himalaya: A necessitate protection

S Verma, B Phartiyal, R Chandra - Geoheritage, 2022 - Springer
This paper is an effort to highlight the importance, possible threats, conservation, and
promotion of the loess–palaeosol sediments exposed as Quaternary sediments of Karewa …

Outcrop analogue constraints on subsurface reservoir properties of the Puga geothermal field, NW Himalaya

ST Thiele, HV Zimik, A Samsu, S Akhtar, A Kamath… - Geothermics, 2024 - Elsevier
Abstract The Puga valley, in Ladakh, contains one of India's most prospective geothermal
systems. Substantial geophysical and geochemical research has been conducted to …

In Situ Real-Time Monitoring for Aseptic Drilling: Lessons Learned from the Atacama Rover Astrobiology Drilling Studies Contamination Control Strategy and …

R Bonaccorsi, B Glass, M Moreno-Paz… - Astrobiology, 2023 - liebertpub.com
In 2019, the Atacama Rover Astrobiology Drilling Studies (ARADS) project field-tested an
autonomous rover-mounted robotic drill prototype for a 6-Sol life detection mission to Mars …

Surviving Mars: new insights into the persistence of facultative anaerobic microbes from analogue sites

K Beblo-Vranesevic, J Piepjohn, A Antunes… - International Journal of …, 2022 - cambridge.org
Mars analogue environments are some of the most extreme locations on Earth. Their unique
combination of multiples extremes (eg high salinity, anoxia and low nutrient availability) …

[HTML][HTML] Simple kinetics, assay, and trends for soil microbial catalases

M Chabot, E Morales, J Cummings, N Rios… - Analytical …, 2020 - Elsevier
In this report, we expand upon the enzymology and ecology of soil catalases through
development and application of a simple kinetic model and field-amenable assay based …

The HABIT (Habitability: Brine Irradiation and Temperature) environmental instrument for the Exomars 2022 surface platform

J Martín-Torres, MP Zorzano, Á Soria-Salinas… - Planetary and space …, 2020 - Elsevier
Abstract The HABIT (HabitAbility: Brine Irradiation and Temperature) instrument is a
European payload of the ExoMars 2022 Surface Platform Kazachok that will characterize the …

Geochemical influences on nonenzymatic oligomerization of prebiotically relevant cyclic nucleotides

S Dagar, S Sarkar, S Rajamani - RNA, 2020 - rnajournal.cshlp.org
The spontaneous emergence of long RNA molecules on the early Earth, a phenomenon
central to the RNA World hypothesis, continues to remain an enigma in the field of origins of …