Browsing by Author "c99f7509-4b23-4cbb-b0d6-e40e2b092908"
Now showing items 1-10 of 10
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Martínez Moya, Pilar; Campusano, Sebastián; Córdova Vargas, Pamela; Paradela, Alberto; Sepúlveda Lillo, Dionisia; Alcaíno Gorman, Jennifer; Baeza Cancino, Marcelo; Cifuentes Guzmán, Víctor (American Society for Microbiology, 2020)Xanthophyllomyces dendrorhous is a carotenogenic yeast with a singular metabolic capacity to produce astaxanthin, a valuable antioxidant pigment. This yeast can assimilate several carbon sources and sustain fermentation ...
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Soto, Daniela F.; Recalde, Alejandra; Orell, Alvaro; Albers, Sonja Verena; Paradela, Alberto; Navarro, Claudio A.; Jerez Guevara, Carlos (Elsevier, 2019)Inorganic polyphosphates (polyP) are present in all living cells and several important functions have been de-scribed for them. They are involved in the response to stress conditions, such as nutrient depletion, oxidativestress ...
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Martínez Bussenius, Cristóbal; Navarro, Claudio A.; Orellana, Luis; Paradela, Alberto; Jerez Guevara, Carlos (2016)Acidithio bacillus ferrooxidans is used in industrial bioleaching of minerals to extract valuable metals. A. ferrooxidans strain ATCC 53993 is much more resistant to copper than other strains of this microorganism and it ...
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Beard, Simón; Paradela, Alberto; Albar, Juan P.; Jerez, Carlos A. (Frontiers Research Foundation, 2011)Production of sulfur globules during sulfide or thiosulfate oxidation is a characteristic feature of some sulfur bacteria. Although their generation has been reported in Acidithiobacillus ferrooxidans, its mechanism of ...
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Valenzuela, Manuel; Albar, Juan P.; Paradela, Alberto; Toledo, Héctor (2011)Background: Helicobacter pylori colonizes the acid environment of the gastric mucosa. Like other enteric bacterial pathogens, including Salmonella enterica, which must survive a brief exposure to that environment, H. pylori ...
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Vargas Straube, María José; Beard Bórquez, Simón; Norambuena, Rodrigo; Paradela, Alberto; Vera, Mario; Jerez, Carlos A. (Elsevier, 2020)Acidithiobacillus ferrooxidans is an acidophilic bacterium able to grow in environments with high concentrations of metals. It is a chemolithoautotroph able to form biofilms on the surface of solid minerals to obtain its ...
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Almárcegui, Rodrigo J.; Navarro, Claudio A.; Paradela, Alberto; Albar, Juan Pablo; Von Bernath Preece, Diego; Jerez Guevara, Carlos (American Chemical Society, 2014)Acidithiobacillus ferrooxidans is an extremophilic bacterium used in biomining processes to recover metals. The presence in A. ferrooxidans ATCC 23270 of canonical copper resistance determinants does not entirely explain ...
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Oetiker, Nia; Norambuena, Rodrigo; Martínez-Bussenius, Cristóbal; Navarro, Claudio A.; Amaya, Fernando; Álvarez, Sergio A.; Paradela, Alberto; Jerez, Carlos A. (MDPI AG, 2018)© 2018 by the authors. Licensee MDPI, Basel, Switzerland. Acidithiobacillus ferrooxidans resists extremely high concentrations of copper. Strain ATCC 53993 is much more resistant to the metal compared with strain ATCC ...
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Ramos-Zúñiga, Javiera; Gallardo, Sebastián; Martínez-Bussenius, Cristóbal; Norambuena, Rodrigo; Navarro, Claudio A.; Paradela, Alberto; Jerez, Carlos A. (Elsevier B.V., 2019)© 2018 Elsevier B.V. Cadmium is a heavy metal present in contaminated soils. It has no biological role but when entering cells generates DNA damage, overexpression of stress response proteins and misfolded proteins, amongst ...
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Almárcegui, Rodrigo J.; Navarro, Claudio A.; Paradela, Alberto; Albar, Juan Pablo; von Bernath, Diego; Jerez, Carlos A. (Elsevier Masson SAS, 2014)© 2014 Institut Pasteur.The response of Acidithiobacillus ferrooxidans ATCC 23270 to copper was analyzed in sulfur-grown cells by using quantitative proteomics. Fortyseven proteins showed altered levels in cells grown in ...