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Demergasso Semenzato, Cecilia Susana

Coordinadora Núcleo. Directora de Centro

Áreas de investigación

Enfoque geográfico

Chile País

publicaciones seleccionadas

artículo editorial
- Prospecting the first Chilean Martian simulants from the Atacama Desert for ISRU and potential applications. Icarus. 2025
- Arsenic Nanoparticles Trigger Apoptosis via Anoikis Induction in OECM-1 Cells. International Journal of Molecular Sciences. 2024
- The dynamics of two iron-oxidizing Acidithiobacillus strains in industrial copper sulfide heap-leaching. Research in Microbiology. 2024
- Hyperarid soil microbial community response to simulated rainfall. Frontiers in Microbiology. 2023
- Orbit-to-ground framework to decode and predict biosignature patterns in terrestrial analogues. Nature Astronomy. 2023
- Corrigendum: Hyperarid soil microbial community response to simulated rainfall (Frontiers in Microbiology, (2023), 14, (1202266), 10.3389/fmicb.2023.1202266). Frontiers in Microbiology. 2023
- Looking for the mechanism of arsenate respiration of Fusibacter sp. strain 3D3, independent of ArrAB. Frontiers in Microbiology. 2022
- Mineral Paragenesis Precipitating in Salt Flat Pools of Continental Environments Replicated in Microbial Mat Microcosms without Evaporation. Minerals. 2022
- Physical, chemical, and microbial feedbacks controlling brine geochemistry and lake morphology in polyextreme salar environments.. The Science of the Total Environment. 2022
- Surface Morphologies in a Mars-Analog Ca-Sulfate Salar, High Andes, Northern Chile. Frontiers in Astronomy and Space Sciences. 2022
- Time-Integrative Multibiomarker Detection in Triassic–Jurassic Rocks from the Atacama Desert: Relevance to the Search for Basic Life Beyond Earth. Astrobiology. 2021
- Electrical conductivity as a driver of biological and geological spatial heterogeneity in the Puquios, Salar de Llamara, Atacama Desert, Chile.. Scientific Reports. 2021
- From Laboratory towards Industrial Operation: Biomarkers for Acidophilic Metabolic Activity in Bioleaching Systems. Genes. 2021
- An indigenous bacterium with enhanced performance of microbially-induced Ca-carbonate biomineralization under extreme alkaline conditions for concrete and soil-improvement industries. Acta Biomaterialia. 2021
- On the origin of saline compounds in acidic salt flats (Central Andean Altiplano). Chemical Geology. 2021
- Corrigendum: Subsurface Microbial Habitats in an Extreme Desert Mars-Analog Environment.. Frontiers in Microbiology. 2019
- Validation of Genetic Markers Associated to Oxygen Availability in Low-Grade Copper Bioleaching Systems: An Industrial Application.. Frontiers in Microbiology. 2019
- A test in a high altitude lake of a multi-parametric rapid methodology for assessing life in liquid environments on planetary bodies: A potential new freshwater polychaete tubeworm community. Frontiers in Environmental Science. 2019
- Microbiology and Nitrogen Cycle in the Benthic Sediments of a Glacial Oligotrophic Deep Andean Lake as Analog of Ancient Martian Lake-Beds. Frontiers in Microbiology. 2019
- Subsurface Microbial Habitats in an Extreme Desert Mars-Analog Environment. Frontiers in Microbiology. 2019
- Decision support system for bioleaching processes. Hydrometallurgy. 2018
- Correction to: A thiotrophic microbial community in an acidic brine lake in Northern Chile. Antonie van Leeuwenhoek. 2018
- Identification of trehalose as a compatible solute in different species of acidophilic bacteria.. Journal of microbiology (Seoul, Korea). 2018
- A thiotrophic microbial community in an acidic brine lake in Northern Chile. Antonie van Leeuwenhoek. 2018
- Biomarkers and Metabolic Patterns in the Sediments of Evolving Glacial Lakes as a Proxy for Planetary Lake Exploration. Astrobiology. 2018
- Watershed-Induced Limnological and Microbial Status in Two Oligotrophic Andean Lakes Exposed to the Same Climatic Scenario. Frontiers in Microbiology. 2018
- Draft genome sequence of Acidithiobacillus thiooxidans CLST isolated from the acidic hypersaline Gorbea salt flat in northern Chile. Standards in Genomic Sciences. 2017
- First draft genome sequence of a strain from the genus Fusibacter isolated from Salar de Ascotan in Northern Chile. Standards in Genomic Sciences. 2017
- Is the growth of microorganisms limited by carbon availability during chalcopyrite bioleaching?. Hydrometallurgy. 2017
- Microbial Community Structure and the Persistence of Cyanobacterial Populations in Salt Crusts of the Hyperarid Atacama Desert from Genome-Resolved Metagenomics. Frontiers in Microbiology. 2017
- Biomarkers and Metabolic Patterns in the Sediments of Evolving Glacial Lakes as a Proxy for Planetary Lake Exploration. 2016
- Draft genome sequence of chloride-tolerant Leptospirillum ferriphilum Sp-Cl from industrial bioleaching operations in northern Chile. Standards in Genomic Sciences. 2016
- One-Dimensional TiO2-B Crystals Synthesised by Hydrothermal Process and Their Antibacterial Behaviour on Escherichia coli. Journal of Nanomaterials. 2016
- Rates and geochemical processes of soil and salt crust formation in Salars of the Atacama Desert, Chile. Geoderma. 2016
- The Ecological Coherence of Temperature and Salinity Tolerance Interaction and Pigmentation in a Non-marine Vibrio Isolated from Salar de Atacama. Frontiers in Microbiology. 2016
- Copper resistance, motility and the mineral dissolution behavior were assessed as novel factors involved in bacterial adhesion in bioleaching. Hydrometallurgy. 2015
- Bioleaching of copper secondary sulfide ore in the presence of chloride by means of inoculation with chloride-tolerant microbial culture. Hydrometallurgy. 2014
- Draft genome sequence of Nitrincola sp. strain A-D6, an arsenic-resistant gammaproteobacterium isolated from a salt flat. Genome announcements. 2014
- Variation in microbial community from predominantly mesophilic to thermotolerant and moderately thermophilic species in an industrial copper heap bioleaching operation. Hydrometallurgy. 2014
- A Descriptive Model for Microbial Population Dynamics in a Copper Sulphide Bioleaching Heap with Spatial and Physicochemical Considerations. Advanced Materials Research. 2013
- Analysis of Gene Expression as Marker of Relevant Metabolisms, in Three Acidithiobacillus ferrooxidans Strains, in Different Growth Conditions. Advanced Materials Research. 2013
- Analysis of Gene Expression in Response to Copper Stress in Acidithiobacillus ferrooxidans Strain D2, Isolated from a Copper Bioleaching Operation. Advanced Materials Research. 2013
- Bioleaching of Covellite from Low Grade Copper Sulphide Ore and Tails. Advanced Materials Research. 2013
- Biologically Assisted Copper Secondary Sulfide Ore Leaching in the Presence of Chloride. Advanced Materials Research. 2013
- Effect of Increased Acid Concentration on the Microbial Population Inhabiting an Industrial Heap Bioleaching Plant. Advanced Materials Research. 2013
- Estimation of Ionic Load Effect on the Oxidizing Activity of the Microbial Population in the Heap Bioleaching Process at Escondida Mine. Advanced Materials Research. 2013
- Geochemistry and Microbiology in an Acidic, High Altitude (4,000 m) Salt Flat — High Andes, Northern Chile. Advanced Materials Research. 2013
- Proteo and Actinobacteria Diversity at a Sulfide, Salt and Acid-Rich Lake in the North of Chile. Advanced Materials Research. 2013
- AHL signaling molecules with a large acyl chain enhance biofilm formation on sulfur and metal sulfides by the bioleaching bacterium Acidithiobacillus ferrooxidans. Applied Microbiology and Biotechnology. 2013
- Distribution of Microbial Arsenic Reduction, Oxidation and Extrusion Genes along a Wide Range of Environmental Arsenic Concentrations. PLoS ONE. 2013
- 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. Journal of Geophysical Research: Biogeosciences. 2013
- Parameters influencing the microbial oxidation activity in the industrial bioleaching heap at Escondida mine, Chile. Hydrometallurgy. 2013
- Enrichment of arsenic transforming and resistant heterotrophic bacteria from sediments of two salt lakes in Northern Chile. Extremophiles. 2012
- Effect of organic extractant LIX 84IC, pH and temperature changes on bioleaching microorganisms during SX treatment. Hydrometallurgy. 2012
- A Microbial Oasis in the Hypersaline Atacama Subsurface Discovered by a Life Detector Chip: Implications for the Search for Life on Mars. Astrobiology. 2011
- Archaeal diversity along a subterranean salt core from the Salar Grande (Chile). Environmental Microbiology. 2011
- Correction to “The High-Lakes Project”. Journal of Geophysical Research: Biogeosciences. 2010
- Dynamics of declining lake habitat in changing climate. Lakes on Mars. 2010
- Prokaryotic diversity pattern in high-altitude ecosystems of the Chilean Altiplano. Journal of Geophysical Research: Biogeosciences. 2010
- Assessment of Microbial Adhesion in Mixed Cultures to Sulfide Minerals Using CARD-FISH Techniques. Advanced Materials Research. 2009
- Characterization of Oxidizing Activity of a Microbial Community in an Industrial Bioleaching Heap. Advanced Materials Research. 2009
- 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. Advanced Materials Research. 2009
- Differential Gene Expression of Industrial Bioleaching Transcriptomes by Leptospirillum Ferrooxidans DNA Microarray. Advanced Materials Research. 2009
- Normalization of Quantitative Real-Time PCR Data of Identified Genes from an Industrial Bioleaching Operation. Advanced Materials Research. 2009
- Diversity of Bacteroidetes in high-altitude saline evaporitic basins in northern Chile. Journal of Geophysical Research: Biogeosciences. 2009
- 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. Microbial Biotechnology. 2009
- The High-Lakes Project. Journal of Geophysical Research: Biogeosciences. 2009
- Identification of differentially expressed genes in an industrial bioleaching heap processing low-grade copper sulphide ore elucidated by RNA arbitrarily primed polymerase chain reaction. Hydrometallurgy. 2008
- Novelty and spatio-temporal heterogeneity in the bacterial diversity of hypersaline Lake Tebenquiche (Salar de Atacama). Extremophiles. 2008
- Life in the Atacama: Searching for life with rovers (science overview). Journal of Geophysical Research: Biogeosciences. 2007
- Bacterial Activity at Low Temperature in Cultures Derived from a Low-Grade Copper Sulphide Bioleaching Heap at the Escondida Mine, Chile. Advanced Materials Research. 2007
- Differential Genetic Expression in Heap Bioleaching of Low-Grade Copper Sulphide Ore at Escondida Mine, Chile. Advanced Materials Research. 2007
- Monitoring of Microbial Community Inhabiting a Low-Grade Copper Sulphide Ore by Quantitative Real-Time PCR Analysis of 16S rRNA Genes. Advanced Materials Research. 2007
- Microbial precipitation of arsenic sulfides in Andean salt flats. Geomicrobiology Journal. 2007
- Molecular characterization of microbial populations in a low-grade copper ore bioleaching test heap. Hydrometallurgy. 2005
- Distribution of prokaryotic genetic diversity in athalassohaline lakes of the Atacama Desert, Northern Chile. FEMS Microbiology Ecology. 2004
- Microbial mats from the Llamara salt flat, northern Chile. Revista Chilena de Historia Natural. 2003
- Assessment of bioavailable arsenic and copper in soils and sediments from the Antofagasta region of northern Chile. Science of the Total Environment. 2002
- The borate deposits in Chile.. Revista Geologica de Chile. 2000
capítulo
- The Effect of Ammonium Supplementation on Bioleaching. 63rd Conference of Metallurgists, COM 2024. 2025
- Signatures of Habitats and Life in Earths High-Altitude Lakes: Clues to Noachian Aqueous Environments on Mars. The Geology of Mars. 2007
documento
- The road from the salar through the lab table to reach the patient´s bed 2025
- The case of arsenic. Symposium Microbial Frontiers: Ecology in extreme environments. 2024
- Procedure and kit to determine in situ consumption of sulfuric acid from copper ore. Instituto Nacional de Propiedad Intelectual. 2024
- Optimized biocementing composition useful for the repair of cracks in concrete 2023
- Bio-electrodialysis cell system for the reduction of anions in a solution, comprising a treatment cell and at least one amplification cell; and method. Instituto Nacional de Propiedad Intelectual. 2022
- Method and field kit to determine the concentration of acid-soluble copper in a mineral. Instituto Nacional de Propiedad Intelectual. 2022
- A Multidisciplinary Evaluation of Spatial Heterogeneity in the Puquios of the Salar de Llamara, Atacama Desert, Northern Chile. Research Square. 2021
- Addressing Strategic Knowledge Gaps in the Search for Biosignatures on Mars. NASA. 2021
- Method for producing arsenic sulphide nanostructures from a microorganism and produced nanostructures. US Patent Services. 2019
- DNA microarray for quantitative analysis of the expression of genes of microorganisms present in liquid and solid industrial bioleaching samples; method for the analysis of gene expression using the DNA microarray. Instituto Nacional de Propiedad Intelectual. 2019
- Industrial Information Technology, based on knowledge management, to support decision making in the operation of industrial bioleaching processes. Instituto Nacional de Propiedad Intelectual. 2018
- Life Beyond the Solar System: Remotely Detectable Biosignatures. NASA. 2018
- Expert system for industrial bioleaching processes. Instituto Nacional de Propiedad Intelectual. 2016
- A method of treating a sulphide mineral. US Patent Services. 2014
- Biotechnological process for the treatment of hydroxide sludge containing As from water purification processes, which use FeCl3 as a coagulant, through the action of sulfate-reducing bacteria. Instituto Nacional de Propiedad Intelectual. 2011
- Method to extract DNA obtained from industrial copper production processes that use bioleaching and contain low cellular concentration for subsequent use in molecular biology applications. Instituto Nacional de Propiedad Intelectual. 2011
- Biotreatment of As-containing hydroxide sludge. US Patent Services. 2008
documento de conferencia
- Effect of different carbon sources on the composition and activity of a sulfate-reducing microbial consortium and the purity of a sulfide solution obtained from the produced biogenic H2S. XLV Congreso Chileno de Microbiología. Pucón, Chile. 4 a 7 de Diciembre de 2023.. 2024
- Mineralogy and salt contents in soils of the Atacama Desert and their impact on physical-chemical characteristics. Goldschmidt 2024, Chicago, August 18-23th. 2024
- Effect of different carbon sources on the composition and activity of a sulfate-reducing microbial consortium and the purity of a NaHS solution obtained from the produced biogenic H2S. XLV Congreso Chileno de Microbiología. Pucón, Chile. 4 a 7 de Diciembre de 2023.. 2023
- Microbial arsenic reduction that generates cell growth through the third type of energy conservation. Discovery from the North of Chile. XLV Congreso Chileno de Microbiología. 2023
- Geosciences and territory: Atacama Desert Natural Laboratory. Conferencia Internacional Ciudades Resilientes 2023. 2023
- Microbiology and territory. Atacama Desert Natural Laboratory. 3° Congreso Latinoamericano de Ecología Microbiana. 2023
- Rhodobacteraceae from Salar de Llamara, Chile: Assembly and characterization of MAGs. 3° Congreso Latinoamericano de Ecología Microbiana. 2023
- Environmental controls on sedimentary deposits in saline lake environments. European Geosciences Union (EGU) 2023. 2023
- Copper bioleaching process scenarios for the Chilean copper industry. International Biohydrometallurgy Symposium. 2022
- Field and laboratory experiments to constrain biologically impacted precipitation of minerals in evaporiticenvironments, Salar de Llamará. Goldschmidt 2022. 2022
- Has Rnf Complex A Pivotal Role In Anaerobic Growth Of Other Microorganisms?. World Microbe Forum. 2021
- Biological production of copper sulfide concentrate from flotation tailings and low grade ore. Solid State Phenomena. 2017
- Transcription dynamics of CBB-pathway genes in acidithiobacillus thiooxidans growing under different CO₂ levels. Solid State Phenomena. 2017
- Global genomic expression of active bacteria populations that transform arsenic in sediments of Salar de Ascotán, Chile. One Century of the Discovery of Arsenicosis in Latin America (1914-2014): As 2014 - Proceedings of the 5th International Congress on Arsenic in the Environment. 2014
- Microbial succession during a heap bioleaching cycle of low grade copper sulfides: Does this knowledge mean a real input for industrial process design and control?. Hydrometallurgy. 2010
- 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?. International Biohydrometallurgy Symposium. 2009
- Investigating microbial diversity and UV radiation impact at the high-altitude Lake Aguas Calientes, Chile. Proceedings of SPIE - The International Society for Optical Engineering. 2007
libro

Palabras clave

Bioming
Geomicrobiology in hyperarid and saline environments

correo electrónico principal

cdemerga@ucn.cl

Identificador ORCID

http://orcid.org/0000-0003-4563-3066 (pending confirmation)

Scopus ID

35228899200

Publicaciones en VIVO

Mapa de la ciencia

Información de Contacto

cdemerga@ucn.cl