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Isolation of Bacteria from Remote High Altitude Andean Lakes Able to Grow in the Presence of Antibiotics
(Bentham Science Publishers, 2009-01)
High altitude Andean lakes are placed in Puna desert over 4400 above sea level. Completely isolated, they are exposed to extreme environmental factors like high levels of salinity, UV radiation and heavy metals and low ...
First Report on the Plasmidome From a High-Altitude Lake of the Andean Puna
(Frontiers Media SA, 2020-06)
Mobile genetic elements, including plasmids, drive the evolution of prokaryotic genomes through the horizontal transfer of genes allowing genetic exchange between bacteria. Moreover, plasmids carry accessory genes, which ...
Geobiology of Andean microbial ecosystems discovered in Salar de Atacama, Chile
(Frontiers in Microbiology, 2021-10)
The Salar de Atacama in the Chilean Central Andes harbors unique microbial ecosystems due to extreme environmental conditions, such as high altitude, low oxygen pressure, high solar radiation, and high salinity. Combining ...
Carbon fixation and rhodopsin systems in microbial mats from hypersaline lakes Brava and Tebenquiche, Salar de Atacama, Chile
(Public Library of Science, 2021-02)
In this work, molecular diversity of two hypersaline microbial mats was compared by Whole Genome Shotgun (WGS) sequencing of environmental DNA from the mats. Brava and Tebenquiche are lakes in the Salar de Atacama, Chile, ...
UV-resistant Acinetobacter sp. isolates from Andean wetlands display high catalase activity
(Wiley Blackwell Publishing, Inc, 2011-04)
Andean wetlands are characterized by their extreme environmental conditions such as high UV radiation, elevated heavy metal content and salinity. We present here the first study on UV tolerance and antioxidant defense of ...
Halomonas vilamensis sp. nov., isolated from high-altitude Andean lakes
(Society for General Microbiology, 2011-05)
A Gram-negative, aerobic, rod-shaped, non-spore-forming bacterium (SV325T) was isolated from the sediment of a hypersaline lake located at 4600 m above sea level (Laguna Vilama, Argentina). Strain SV325T formed cream-to-pink ...
Characterization of pustular mats and related Rivularia-rich laminations in oncoids from the Laguna Negra lake (Argentina)
(Frontiers Media S.A., 2018-05)
Stromatolites are organo-sedimentary structures that represent some of the oldest records of the early biosphere on Earth. Cyanobacteria are considered as a main component of the microbial mats that are supposed to produce ...
Novel Genes Involved in Resistance to Both Ultraviolet Radiation and Perchlorate From the Metagenomes of Hypersaline Environments
(Frontiers Media S.A., 2020-03)
Microorganisms that thrive in hypersaline environments on the surface of our planet are exposed to the harmful effects of ultraviolet radiation. Therefore, for their protection, they have sunscreen pigments and highly ...
Genomic insights into an andean multiresistant soil actinobacterium of biotechnological interest
(Springer, 2021-10)
Central-Andean Ecosystems (between 2000 and 6000 m above sea level (masl) are typical arid-to-semiarid environments suffering from the highest total solar and ultraviolet-B radiation on the planet but displaying numerous ...
High-Up: A Remote Reservoir of Microbial Extremophiles in Central Andean Wetlands
(Frontiers Research Foundation, 2015-12)
The Central Andes region displays unexplored ecosystems of shallow lakes and salt flats at mean altitudes of 3700 m. Being isolated and hostile, these so-called “High-Altitude Andean Lakes” (HAAL) are pristine and have ...