Search Results - "Pradenas, Gonzalo A."

Escherichia coli YqhD Exhibits Aldehyde Reductase Activity and Protects from the Harmful Effect of Lipid Peroxidation-derived Aldehydes by Pérez, José Manuel, Arenas, Felipe A., Pradenas, Gonzalo A., Sandoval, Juan M., Vásquez, Claudio C.

“…Evidence that Escherichia coli YqhD is involved in bacterial response to compounds that generate membrane lipid peroxidation is presented. Overexpression of…”
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Bacterial toxicity of potassium tellurite: unveiling an ancient enigma by Pérez, José M, Calderón, Iván L, Arenas, Felipe A, Fuentes, Derie E, Pradenas, Gonzalo A, Fuentes, Eugenia L, Sandoval, Juan M, Castro, Miguel E, Elías, Alex O, Vásquez, Claudio C

“…Biochemical, genetic, enzymatic and molecular approaches were used to demonstrate, for the first time, that tellurite (TeO(3) (2-)) toxicity in E. coli…”
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Comparing in vitro and in vivo virulence phenotypes of Burkholderia pseudomallei type G strains by Lewis, Eric R G, Kilgore, Paul B, Mott, Tiffany M, Pradenas, Gonzalo A, Torres, Alfredo G

“…Burkholderia pseudomallei (Bpm) is a saprophytic rod-shaped gram-negative bacterium and the causative agent of melioidosis. This disease has previously been…”
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Reduction of the monounsaturated fatty acid content of Escherichia coli results in increased resistance to oxidative damage by PRADENAS, Gonzalo A, PAILLAVIL, Braulio A, REYES-CERPA, Sebastian, PEREZ-DONOSO, Jose M, VASQUEZ, Claudio C

“…Reactive oxygen species (ROSs) affect several macromolecules and cellular components in eukaryotic and prokaryotic cells. In this work, the effect of various…”
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Characterization of the Burkholderia cenocepacia TonB Mutant as a Potential Live Attenuated Vaccine by Pradenas, Gonzalo A, Myers, Julia N, Torres, Alfredo G

“…is an opportunistic pathogen prevalent in cystic fibrosis patients, which is particularly difficult to treat, causing chronic and eventually fatal infections…”
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Tellurite-mediated disabling of [4Fe-4S] clusters of Escherichia coli dehydratases by Calderon, Ivan L, Elias, Alex O, Fuentes, Eugenia L, Pradenas, Gonzalo A, Castro, Miguel E, Arenas, Felipe A, Perez, Jose M, Vasquez, Claudio C

“…Laboratorio de Microbiología Molecular, Departamento de Biología, Facultad de Química y Biología, Universidad de Santiago de Chile, Santiago, Chile The…”
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Burkholderia cepacia Complex Vaccines: Where Do We Go from here? by Pradenas, Gonzalo A, Ross, Brittany N, Torres, Alfredo G

“…Burkholderia comprises a wide variety of environmental Gram-negative bacteria. Burkholderia cepacia complex (Bcc) includes several Burkholderia species that…”
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Capillary electrophoretic determination of selenocyanate and selenium and tellurium oxyanions in bacterial cultures by Pathem, Bala Krishna, Pradenas, Gonzalo A., Castro, Miguel E., Vásquez, Claudio C., Chasteen, Thomas G.

“…A simple capillary zone electrophoretic method for the determination of biospherically important oxyanions of selenium (Se) and tellurium and another…”
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Microarray analysis of the Escherichia coli response to CdTe-GSH Quantum Dots: understanding the bacterial toxicity of semiconductor nanoparticles by Monrás, Juan P, Collao, Bernardo, Molina-Quiroz, Roberto C, Pradenas, Gonzalo A, Saona, Luis A, Durán-Toro, Vicente, Ordenes-Aenishanslins, Nicolás, Venegas, Felipe A, Loyola, David E, Bravo, Denisse, Calderón, Paulina F, Calderón, Iván L, Vásquez, Claudio C, Chasteen, Thomas G, Lopez, Desiré A, Pérez-Donoso, José M

“…Most semiconductor nanoparticles used in biomedical applications are made of heavy metals and involve synthetic methods that require organic solvents and high…”
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Production of dimethyl triselenide and dimethyl diselenenyl sulfide in the headspace of metalloid-resistant Bacillus species grown in the presence of selenium oxyanions by Burra, Radhika, Pradenas, Gonzalo A., Montes, Rebecca A., Vásquez, Claudio C., Chasteen, Thomas G.

“…A Bacillus species harvested from the environment is metalloid resistant and, when grown anaerobically in complex growth medium and amended with the selenium…”
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Monounsaturated Fatty Acids Are Substrates for Aldehyde Generation in Tellurite-Exposed Escherichia coli by Vásquez, Claudio C., Pérez-Donoso, José M., Pradenas, Gonzalo A., Díaz-Vásquez, Waldo A.

“…Reactive oxygen species (ROS) damage macromolecules and cellular components in nearly all kinds of cells and often generate toxic intracellular byproducts. In…”
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Expression of Aeromonas caviae ST pyruvate dehydrogenase complex components mediate tellurite resistance in Escherichia coli by Castro, Miguel E., Molina, Roberto C., Díaz, Waldo A., Pradenas, Gonzalo A., Vásquez, Claudio C.

“…Potassium tellurite (K 2TeO 3) is harmful to most organisms and specific mechanisms explaining its toxicity are not well known to date. We previously reported…”
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Biological interactions of selenocyanate: Bioprocessing, detection and toxicity by Burra, Radhika, Fox, James D., Pradenas, Gonzalo A., Vásquez, Claudio C., Chasteen, Thomas G.

“…The selenocyanate anion, SeCN − , has been reported in wastewater from refineries whose petroleum comes from Se-rich marine shales. A metalloid-resistant…”
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Geobacillus stearothermophilus LV cadA gene mediates resistance to cadmium, lead and zinc in zntA mutants of Salmonella entérica serovar Typhimurium by Pérez, José M, Pradeñas, Gonzalo A, Navarro, Claudio A, Henríquez, Daniel R, Pichuantes, Sergio E, Vásquez, Claudio C

“…Salmonella entérica serovar Typhimurium cells expressing the cadA gene of Geobacillus stearothermophilus LV exhibit a hypersensitive phenotype to cadmium…”
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