All Stories

  1. Arsenic Nanoparticles Trigger Apoptosis via Anoikis Induction in OECM-1 Cells

    Article • International Journal of Molecular Sciences, June 2024, MDPI AG

    Dr Cecilia S. Demergasso

  2. The dynamics of two iron-oxidizing Acidithiobacillus strains in industrial copper sulfide heap-leaching

    Article • Research in Microbiology, November 2023, Elsevier

    Dr Cecilia S. Demergasso

  3. Hyperarid soil microbial community response to simulated rainfall

    Article • Frontiers in Microbiology, September 2023, Frontiers

    Dr Cecilia S. Demergasso

  4. Orbit-to-ground framework to decode and predict biosignature patterns in terrestrial analogues

    Article • Nature Astronomy, March 2023, Springer Science + Business Media

    Dr Cecilia S. Demergasso

  5. Physical, chemical, and microbial feedbacks controlling brine geochemistry and lake morphology in polyextreme salar environments

    Article • The Science of The Total Environment, August 2022, Elsevier

    Dr Cecilia S. Demergasso

  6. Looking for the mechanism of arsenate respiration in an arsenate-dependent growing culture ofFusibactersp. strain 3D3, independent of ArrAB

    Article • June 2022, Cold Spring Harbor Laboratory Press

    Dr Cecilia S. Demergasso

  7. Mineral Paragenesis Precipitating in Salt Flat Pools of Continental Environments Replicated in Microbial Mat Microcosms without Evaporation

    Article • Minerals, May 2022, MDPI AG

    Dr Cecilia S. Demergasso

  8. Surface Morphologies in a Mars-Analog Ca-Sulfate Salar, High Andes, Northern Chile

    Article • Frontiers in Astronomy and Space Sciences, February 2022, Frontiers

    Dr Cecilia S. Demergasso

  9. Time-Integrative Multibiomarker Detection in Triassic–Jurassic Rocks from the Atacama Desert: Relevance to the Search for Basic Life Beyond Earth

    Article • Astrobiology, November 2021, Mary Ann Liebert Inc

    Dr Cecilia S. Demergasso

  10. Electrical conductivity as a driver of biological and geological spatial heterogeneity in the Puquios, Salar de Llamara, Atacama Desert, Chile

    Article • Scientific Reports, June 2021, Springer Science + Business Media

    Dr Cecilia S. Demergasso

  11. From Laboratory towards Industrial Operation: Biomarkers for Acidophilic Metabolic Activity in Bioleaching Systems

    Article • Genes, March 2021, MDPI AG

    Dr Cecilia S. Demergasso

  12. A Multidisciplinary Evaluation of Spatial Heterogeneity in the Puquios of the Salar de Llamara, Atacama Desert, Northern Chile

    Article • February 2021, Research Square

    Dr Cecilia S. Demergasso

  13. An indigenous bacterium with enhanced performance of microbially-induced Ca-carbonate biomineralization under extreme alkaline conditions for concrete and soil-improvement industries

    Article • Acta Biomaterialia, January 2021, Elsevier

    Dr Cecilia S. Demergasso

  14. Corrigendum: Subsurface Microbial Habitats in an Extreme Desert Mars-Analog Environment

    Article • Frontiers in Microbiology, September 2019, Frontiers

    Dr Cecilia S. Demergasso

  15. Validation of Genetic Markers Associated to Oxygen Availability in Low-Grade Copper Bioleaching Systems: An Industrial Application

    Article • Frontiers in Microbiology, August 2019, Frontiers

    Dr Cecilia S. Demergasso

  16. The acidic brine lakes of Chile: A surprising microbial community

    Article • May 2019, Research Outreach

    Dr Cecilia S. Demergasso

  17. Microbiology and Nitrogen Cycle in the Benthic Sediments of a Glacial Oligotrophic Deep Andean Lake as Analog of Ancient Martian Lake-Beds

    Article • Frontiers in Microbiology, May 2019, Frontiers

    Dr Cecilia S. Demergasso

  18. Subsurface Microbial Habitats in an Extreme Desert Mars-Analog Environment

    Article • Frontiers in Microbiology, February 2019, Frontiers

    Dr Cecilia S. Demergasso

  19. Decision support system for bioleaching processes

    Article • Hydrometallurgy, November 2018, Elsevier

    Dr Cecilia S. Demergasso

  20. Identification of trehalose as a compatible solute in different species of acidophilic bacteria

    Article • The Journal of Microbiology, September 2018, Springer Science + Business Media

    Dr Cecilia S. Demergasso

  21. Correction to: A thiotrophic microbial community in an acidic brine lake in Northern Chile

    Article • Antonie van Leeuwenhoek, September 2018, Springer Science + Business Media

    Dr Cecilia S. Demergasso

  22. A thiotrophic microbial community in an acidic brine lake in Northern Chile

    Article • Antonie van Leeuwenhoek, May 2018, Springer Science + Business Media

    Dr Cecilia S. Demergasso

  23. Watershed-Induced Limnological and Microbial Status in Two Oligotrophic Andean Lakes Exposed to the Same Climatic Scenario

    Article • Frontiers in Microbiology, March 2018, Frontiers

    Dr Cecilia S. Demergasso

  24. Soil microbial habitats in an extreme desert Mars-analogue environment

    Article • February 2018, Cold Spring Harbor Laboratory Press

    Dr Cecilia S. Demergasso

  25. The Coevolution of Life and Environment on Mars: An Ecosystem Perspective on the Robotic Exploration of Biosignatures

    Article • Astrobiology, January 2018, Mary Ann Liebert Inc

    Dr Cecilia S. Demergasso

  26. Draft genome sequence of Acidithiobacillus thiooxidans CLST isolated from the acidic hypersaline Gorbea salt flat in northern Chile

    Article • Standards in Genomic Sciences, December 2017, Springer Science + Business Media

    Dr Cecilia S. Demergasso

  27. Transcription Dynamics of CBB-Pathway Genes in Acidithiobacillus thiooxidans Growing under Different CO2 Levels

    Article • Solid State Phenomena, August 2017, Trans Tech Publications

    Dr Cecilia S. Demergasso, Mauricio Acosta Grinok, Pedro Galleguillos, Víctor Zepeda

  28. Biological Production of Copper Sulfide Concentrate from Flotation Tailings and Low Grade Ore

    Article • Solid State Phenomena, August 2017, Trans Tech Publications

    Pedro Galleguillos, Dr Cecilia S. Demergasso, Víctor Zepeda

  29. From Knowledge to Best Practices in Bioleaching

    Article • Solid State Phenomena, August 2017, Trans Tech Publications

    Dr Cecilia S. Demergasso

  30. Microbial Survey on Industrial Bioleaching Heap by High-Throughput 16S Sequencing and Metagenomics Analysis

    Article • Solid State Phenomena, August 2017, Trans Tech Publications

    Mauricio Acosta Grinok, Dr Cecilia S. Demergasso, Pedro Galleguillos

  31. Microbial Community Structure and the Persistence of Cyanobacterial Populations in Salt Crusts of the Hyperarid Atacama Desert from Genome-Resolved Metagenomics

    Article • Frontiers in Microbiology, July 2017, Frontiers

    Dr Cecilia S. Demergasso

  32. First draft genome sequence of a strain from the genus Fusibacter isolated from Salar de Ascotán in Northern Chile

    Article • Standards in Genomic Sciences, July 2017, Springer Science + Business Media

    Dr Cecilia S. Demergasso

  33. Is the growth of microorganisms limited by carbon availability during chalcopyrite bioleaching?

    Article • Hydrometallurgy, March 2017, Elsevier

    Dr Cecilia S. Demergasso

  34. The Ecological Coherence of Temperature and Salinity Tolerance Interaction and Pigmentation in a Non-marine Vibrio Isolated from Salar de Atacama

    Article • Frontiers in Microbiology, December 2016, Frontiers

    Dr Cecilia S. Demergasso

  35. Rates and geochemical processes of soil and salt crust formation in Salars of the Atacama Desert, Chile

    Article • Geoderma, December 2016, Elsevier

    Dr Cecilia S. Demergasso

  36. Biomarkers and Metabolic Patterns in the Sediments of Evolving Glacial Lakes as a Proxy for Planetary Lake Exploration

    Article • Astrobiology, November 2016, Mary Ann Liebert Inc

    Dr Cecilia S. Demergasso

  37. Draft genome sequence of chloride-tolerant Leptospirillum ferriphilum Sp-Cl from industrial bioleaching operations in northern Chile

    Article • Standards in Genomic Sciences, February 2016, Springer Science + Business Media

    Mauricio Acosta Grinok, Dr Raquel Quatrini, Dr Cecilia S. Demergasso

  38. One-Dimensional TiO2-B Crystals Synthesised by Hydrothermal Process and Their Antibacterial Behaviour onEscherichia coli

    Article • Journal of Nanomaterials, January 2016, Hindawi Publishing Corporation

    Dr Cecilia S. Demergasso

  39. Blue-Copper Proteins: Expression of Coding Genes from Sulfobacillus Spp. and Iron Oxidation in Column Bioleaching Tests

    Article • Advanced Materials Research, November 2015, Trans Tech Publications

    Dr Cecilia S. Demergasso, Mauricio Acosta Grinok, Pedro Galleguillos

  40. Insights into the Active Carbon Fixation Pathways of a Microbial Community in a Chalcopyrite Bioleaching Column

    Article • Advanced Materials Research, November 2015, Trans Tech Publications

    Dr Cecilia S. Demergasso, Mauricio Acosta Grinok

  41. Organotrophic and Mixotrofic Sulfur Oxidation in an Acidic Salt Flat in Northern Chile

    Article • Advanced Materials Research, November 2015, Trans Tech Publications

    Dr Cecilia S. Demergasso

  42. Copper resistance, motility and the mineral dissolution behavior were assessed as novel factors involved in bacterial adhesion in bioleaching

    Article • Hydrometallurgy, October 2015, Elsevier

    Dr Cecilia S. Demergasso

  43. Variation in microbial community from predominantly mesophilic to thermotolerant and moderately thermophilic species in an industrial copper heap bioleaching operation

    Article • Hydrometallurgy, December 2014, Elsevier

    Mauricio Acosta Grinok, Dr Cecilia S. Demergasso

  44. Bioleaching of copper secondary sulfide ore in the presence of chloride by means of inoculation with chloride-tolerant microbial culture

    Article • Hydrometallurgy, December 2014, Elsevier

    Dr Cecilia S. Demergasso

  45. Draft Genome Sequence of Nitrincola sp. Strain A-D6, an Arsenic-Resistant Gammaproteobacterium Isolated from a Salt Flat

    Article • Genome Announcements, November 2014, ASM Journals

    Dr Cecilia S. Demergasso

  46. Distribution of Microbial Arsenic Reduction, Oxidation and Extrusion Genes along a Wide Range of Environmental Arsenic Concentrations

    Article • PLoS ONE, October 2013, PLOS

    Dr Cecilia S. Demergasso

  47. Integration of Scientific and Industrial Knowledge on Biohydrometallurgy

    Article • October 2013, Trans Tech Publications

    Dr Cecilia S. Demergasso

  48. Analysis of Gene Expression as Marker of Relevant Metabolisms, in Three Acidithiobacillus ferrooxidans Strains, in Different Growth Conditions

    Article • Advanced Materials Research, October 2013, Trans Tech Publications

    Mauricio Acosta Grinok, Dr Cecilia S. Demergasso

  49. Variance Calculations for Quantitative Real-Time PCR Experiments with Multiple Levels of Replication

    Article • Advanced Materials Research, October 2013, Trans Tech Publications

    Mauricio Acosta Grinok, Dr Cecilia S. Demergasso

  50. From Mesophilic to Moderate Thermophilic Populations in an Industrial Heap Bioleaching Process

    Article • Advanced Materials Research, October 2013, Trans Tech Publications

    Mauricio Acosta Grinok, Dr Cecilia S. Demergasso

  51. Analysis of Gene Expression in Response to Copper Stress in Acidithiobacillus ferrooxidans Strain D2, Isolated from a Copper Bioleaching Operation

    Article • Advanced Materials Research, October 2013, Trans Tech Publications

    Mauricio Acosta Grinok, Dr Raquel Quatrini, Dr Cecilia S. Demergasso

  52. Temporal Dynamics of Genes Involved in Metabolic Pathways of C and N of L. ferriphilum, in the Industrial Bioleaching Process of Escondida Mine, Chile

    Article • Advanced Materials Research, October 2013, Trans Tech Publications

    Mauricio Acosta Grinok, Dr Raquel Quatrini, Dr Cecilia S. Demergasso

  53. Effect of Contact with Organic Extractant LIX 84IC during Solvent Extraction Process on the Re-Establishment of Growth of Bioleaching Microorganisms

    Article • Advanced Materials Research, October 2013, Trans Tech Publications

    Mauricio Acosta Grinok, Dr Cecilia S. Demergasso

  54. Geochemistry and Microbiology in an Acidic, High Altitude (4,000 m) Salt Flat — High Andes, Northern Chile

    Article • Advanced Materials Research, October 2013, Trans Tech Publications

    Dr Cecilia S. Demergasso

  55. Proteo and Actinobacteria Diversity at a Sulfide, Salt and Acid-Rich Lake in the North of Chile

    Article • Advanced Materials Research, October 2013, Trans Tech Publications

    Dr Cecilia S. Demergasso

  56. A Descriptive Model for Microbial Population Dynamics in a Copper Sulphide Bioleaching Heap with Spatial and Physicochemical Considerations

    Article • Advanced Materials Research, October 2013, Trans Tech Publications

    Dr Cecilia S. Demergasso

  57. Bioleaching of Covellite from Low Grade Copper Sulphide Ore and Tails

    Article • Advanced Materials Research, October 2013, Trans Tech Publications

    Dr Cecilia S. Demergasso

  58. Biologically Assisted Copper Secondary Sulfide Ore Leaching in the Presence of Chloride

    Article • Advanced Materials Research, October 2013, Trans Tech Publications

    Dr Cecilia S. Demergasso

  59. Estimation of Ionic Load Effect on the Oxidizing Activity of the Microbial Population in the Heap Bioleaching Process at Escondida Mine

    Article • Advanced Materials Research, October 2013, Trans Tech Publications

    Dr Cecilia S. Demergasso

  60. Effect of Increased Acid Concentration on the Microbial Population Inhabiting an Industrial Heap Bioleaching Plant

    Article • Advanced Materials Research, October 2013, Trans Tech Publications

    Dr Cecilia S. Demergasso

  61. Molecular preservation in halite‐ and perchlorate‐rich hypersaline subsurface deposits in the Salar Grande basin (Atacama Desert, Chile): Implications for the search for molecular biomarkers on Mars

    Article • Journal of Geophysical Research Biogeosciences, June 2013, American Geophysical Union (AGU)

    Dr Cecilia S. Demergasso, Dr David Fernandez-Remolar

  62. Parameters influencing the microbial oxidation activity in the industrial bioleaching heap at Escondida mine, Chile

    Article • Hydrometallurgy, February 2013, Elsevier

    Dr Cecilia S. Demergasso

  63. Effect of organic extractant LIX 84IC, pH and temperature changes on bioleaching microorganisms during SX treatment

    Article • Hydrometallurgy, November 2012, Elsevier

    Dr Cecilia S. Demergasso

  64. AHL signaling molecules with a large acyl chain enhance biofilm formation on sulfur and metal sulfides by the bioleaching bacterium Acidithiobacillus ferrooxidans

    Article • Applied Microbiology and Biotechnology, July 2012, Springer Science + Business Media

    Dr Cecilia S. Demergasso, Nicolas Guiliani

  65. Enrichment of arsenic transforming and resistant heterotrophic bacteria from sediments of two salt lakes in Northern Chile

    Article • World Journal of Surgery, May 2012, Springer Science + Business Media

    Dr Cecilia S. Demergasso

  66. A Microbial Oasis in the Hypersaline Atacama Subsurface Discovered by a Life Detector Chip: Implications for the Search for Life on Mars

    Article • Astrobiology, December 2011, Mary Ann Liebert Inc

    Dr Cecilia S. Demergasso, Dr David Fernandez-Remolar

  67. Archaeal diversity along a subterranean salt core from the Salar Grande (Chile)

    Article • Environmental Microbiology, February 2011, Wiley

    Dr Cecilia S. Demergasso

  68. Microbial succession during a heap bioleaching cycle of low grade copper sulfides

    Article • Hydrometallurgy, October 2010, Elsevier

    Dr Cecilia S. Demergasso

  69. Prokaryotic diversity pattern in high-altitude ecosystems of the Chilean Altiplano

    Article • Journal of Geophysical Research Atmospheres, June 2010, Wiley

    Dr Cecilia S. Demergasso

  70. Correction to “The High-Lakes Project”

    Article • Journal of Geophysical Research Atmospheres, March 2010, Wiley

    Dr Cecilia S. Demergasso

  71. Dynamics of declining lake habitat in changing climate

    Article • January 2010, Elsevier

    Dr Cecilia S. Demergasso

  72. Diversity ofBacteroidetesin high-altitude saline evaporitic basins in northern Chile

    Article • Journal of Geophysical Research Atmospheres, June 2009, Wiley

    Dr Cecilia S. Demergasso

  73. The High-Lakes Project

    Article • Journal of Geophysical Research Atmospheres, June 2009, Wiley

    Dr Cecilia S. Demergasso

  74. Dynamic of active microorganisms inhabiting a bioleaching industrial heap of low-grade copper sulfide ore monitored by real-time PCR and oligonucleotide prokaryotic acidophile microarray

    Article • Microbial Biotechnology, May 2009, Wiley

    Mauricio Acosta Grinok, Dr Cecilia S. Demergasso

  75. Normalization of Quantitative Real-Time PCR Data of Identified Genes from an Industrial Bioleaching Operation

    Article • Advanced Materials Research, May 2009, Trans Tech Publications

    Dr Cecilia S. Demergasso

  76. Microbial Succession during a Heap Bioleaching Cycle of Low Grade Copper Sulphides. Does this Knowledge Mean a Real Input for Industrial Process Design and Control?

    Article • Advanced Materials Research, May 2009, Trans Tech Publications

    Dr Cecilia S. Demergasso

  77. Characterization of Oxidizing Activity of a Microbial Community in an Industrial Bioleaching Heap

    Article • Advanced Materials Research, May 2009, Trans Tech Publications

    Dr Cecilia S. Demergasso

  78. Assessment of Microbial Adhesion in Mixed Cultures to Sulfide Minerals Using CARD-FISH Techniques

    Article • Advanced Materials Research, May 2009, Trans Tech Publications

    Dr Cecilia S. Demergasso

  79. Differential Gene Expression of Industrial Bioleaching Transcriptomes by Leptospirillum Ferrooxidans DNA Microarray

    Article • Advanced Materials Research, May 2009, Trans Tech Publications

    Dr Cecilia S. Demergasso

  80. Comparison between the Bacterial Populations from Solutions and Minerals in 1 m Test Columns and the Industrial Low Grade Copper Sulphide Bioleaching Process in the Escondida Mine, Chile

    Article • Advanced Materials Research, May 2009, Trans Tech Publications

    Dr Cecilia S. Demergasso

  81. Identification of differentially expressed genes in an industrial bioleaching heap processing low-grade copper sulphide ore elucidated by RNA arbitrarily primed polymerase chain reaction

    Article • Hydrometallurgy, November 2008, Elsevier

    Dr Cecilia S. Demergasso, Nicolas Guiliani

  82. Novelty and spatio–temporal heterogeneity in the bacterial diversity of hypersaline Lake Tebenquiche (Salar de Atacama)

    Article • World Journal of Surgery, March 2008, Springer Science + Business Media

    Dr Cecilia S. Demergasso

  83. Investigating microbial diversity and UV radiation impact at the high-altitude Lake Aguas Calientes, Chile

    Article • September 2007, SPIE

    Dr Cecilia S. Demergasso

  84. Life in the Atacama: Searching for life with rovers (science overview)

    Article • Journal of Geophysical Research Atmospheres, September 2007, American Geophysical Union (AGU)

    Dr Cecilia S. Demergasso

  85. Monitoring of Microbial Community Inhabiting a Low-Grade Copper Sulphide Ore by Quantitative Real-Time PCR Analysis of 16S rRNA Genes

    Article • Advanced Materials Research, July 2007, Trans Tech Publications

    Dr Cecilia S. Demergasso

  86. Bacterial Activity at Low Temperature in Cultures Derived from a Low-Grade Copper Sulphide Bioleaching Heap at the Escondida Mine, Chile

    Article • Advanced Materials Research, July 2007, Trans Tech Publications

    Dr Cecilia S. Demergasso

  87. Microbial Precipitation of Arsenic Sulfides in Andean Salt Flats

    Article • Geomicrobiology Journal, April 2007, Taylor & Francis

    Dr Cecilia S. Demergasso

  88. Differential Genetic Expression in Heap Bioleaching of Low-Grade Copper Sulphide Ore at Escondida Mine, Chile

    Article • Advanced Materials Research, January 2007, Trans Tech Publications

    Nicolas Guiliani, Dr Cecilia S. Demergasso

  89. Molecular characterization of microbial populations in a low-grade copper ore bioleaching test heap

    Article • Hydrometallurgy, December 2005, Elsevier

    Dr Cecilia S. Demergasso

  90. Distribution of prokaryotic genetic diversity in athalassohaline lakes of the Atacama Desert, Northern Chile

    Article • FEMS Microbiology Ecology, April 2004, Oxford University Press (OUP)

    Dr Cecilia S. Demergasso

  91. Tapetes microbianos del Salar de Llamará, norte de Chile

    Article • Revista chilena de historia natural, September 2003, SciELO Comision Nacional de Investigacion Cientifica Y Tecnologica (CONICYT)

    Dr Cecilia S. Demergasso

  92. Assessment of bioavailable arsenic and copper in soils and sediments from the Antofagasta region of northern Chile

    Article • The Science of The Total Environment, March 2002, Elsevier

    Dr Cecilia S. Demergasso

  93. Los yacimientos de boratos de Chile

    Article • Revista geológica de Chile, July 2000, SciELO Comision Nacional de Investigacion Cientifica Y Tecnologica (CONICYT)

    Dr Cecilia S. Demergasso

  94. Signatures of habitats and life in Earth's high-altitude lakes: clues to Noachian aqueous environments on Mars

    Article • Cambridge University Press

    Dr Cecilia S. Demergasso