The microbial ecology of permafrost

JK Jansson, N Taş - Nature Reviews Microbiology, 2014 - nature.com
Permafrost constitutes a major portion of the terrestrial cryosphere of the Earth and is a
unique ecological niche for cold-adapted microorganisms. There is a relatively high …

[HTML][HTML] Diversity and ecology of psychrophilic microorganisms

R Margesin, V Miteva - Research in microbiology, 2011 - Elsevier
Cold environments represent the majority of the biosphere on Earth and have been
successfully colonized by psychrophilic microorganisms that are able to thrive at low …

Thirty-thousand-year-old distant relative of giant icosahedral DNA viruses with a pandoravirus morphology

M Legendre, J Bartoli, L Shmakova… - Proceedings of the …, 2014 - National Acad Sciences
The largest known DNA viruses infect Acanthamoeba and belong to two markedly different
families. The Megaviridae exhibit pseudo-icosahedral virions up to 0.7 μm in diameter and …

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 …

[KNIHA][B] Antarctic climate change and the environment

J Turner, R Bindschadler, P Convey, G Di Prisco… - 2009 - epic.awi.de
To understand how planet Earth works we study it increasingly as a system–a collection of
interdependent parts or spheres–the lithosphere, the hydrosphere, the cryosphere, the …

The functional potential of high Arctic permafrost revealed by metagenomic sequencing, qPCR and microarray analyses

E Yergeau, H Hogues, LG Whyte, CW Greer - The ISME journal, 2010 - academic.oup.com
The fate of the carbon stocked in permafrost following global warming and permafrost thaw
is of major concern in view of the potential for increased CH4 and CO2 emissions from these …

Nearing the cold-arid limits of microbial life in permafrost of an upper dry valley, Antarctica

J Goordial, A Davila, D Lacelle, W Pollard… - The ISME …, 2016 - academic.oup.com
Some of the coldest and driest permafrost soils on Earth are located in the high-elevation
McMurdo Dry Valleys (MDVs) of Antarctica, but little is known about the permafrost microbial …

Impact of fire on active layer and permafrost microbial communities and metagenomes in an upland Alaskan boreal forest

N Taş, E Prestat, JW McFarland, KP Wickland… - The ISME …, 2014 - academic.oup.com
Permafrost soils are large reservoirs of potentially labile carbon (C). Understanding the
dynamics of C release from these soils requires us to account for the impact of wildfires …

Ancient bacteria show evidence of DNA repair

SS Johnson, MB Hebsgaard… - Proceedings of the …, 2007 - National Acad Sciences
Recent claims of cultivable ancient bacteria within sealed environments highlight our limited
understanding of the mechanisms behind long-term cell survival. It remains unclear how …

Thermal state of permafrost and active‐layer monitoring in the antarctic: Advances during the international polar year 2007–2009

G Vieira, J Bockheim, M Guglielmin… - Permafrost and …, 2010 - Wiley Online Library
Results obtained during the International Polar Year (IPY) on the thermal state of permafrost
and the active layer in the Antarctic are presented, forming part of ANTPAS ('Antarctic …