Now showing items 1-12 of 12

    • Antibacterial Effect of Copper on Microorganisms Isolated from Bovine Mastitis 

      Reyes Jara, Angélica; Cordero, Ninoska; Aguirre, Juan; Troncoso, Miriam; Figueroa Gronemeyer, Guillermo (Frontiers Media, 2016)
      The antimicrobial properties of copper have been recognized for several years; applying these properties to the prevention of diseases such as bovine mastitis is a new area of research. The aim of the present study was to ...
    • Approaches to empower the implementation of new tools to detect and prevent foodborne pathogens in food processing 

      Rivera, Dácil; Toledo, Viviana; Reyes-Jara, Angélica; Navarrete, Paola; Tamplin, Mark; Kimura, Bon; Wiedmann, Martin; Silva, Primal; Moreno Switt, Andrea I. (Academic Press, 2018)
      © 2017 Elsevier Ltd Foodborne pathogens cause an important public health burden, which is estimated in 600 million cases and more than 400,000 deaths, globally every year. The most susceptible populations, such as children ...
    • CutC is induced late during copper exposure and can modify intracellular copper content in Enterococcus faecalis 

      Latorre, Mauricio; Olivares, Felipe; Reyes Jara, Angélica; López, Guadalupe; González Canales, Mauricio (Elsevier, 2011)
      Copper is a micronutrient that is required for proper metabolic functioning of most prokaryotic and eukaryotic organisms. To sustain an adequate supply of copper, a cell requires molecular mechanisms that control the ...
    • Different Transcriptional Responses from Slow and Fast Growth Rate Strains of Listeria monocytogenes Adapted to Low Temperature 

      Cordero Mattos, Ninoska; Maza, Felipe; Navea Pérez, Helen; Aravena, Andrés; Márquez Fontt, Bárbara; Navarrete Wallace, Paola; Figueroa Gronemeyer, Guillermo; González Canales, Mauricio; Latorre Mora, Mauricio; Reyes Jara, Angélica (Frontiers Media, 2016)
      Listeria monocytogenes has become one of the principal foodborne pathogens worldwide. The capacity of this bacterium to grow at low temperatures has opened an interesting field of study in terms of the identification and ...
    • Evaluating the capacity of human gut microorganisms to colonize the zebrafish larvae (Danio rerio) 

      Valenzuela, María José; Caruffo, Mario; Herrera, Yoani; Medina, Daniel A.; Coronado, Maximo; Feijoo, Carmen G.; Muñoz, Salomé; Garrido, Daniel; Troncoso, Miriam; Figueroa, Guillermo; Toro Ibaceta, Magaly Alejandra; Reyes Jara, Angélica; Magne, Fabien; Navarrete, Paola (Frontiers Media, 2018-05-29)
      In this study we evaluated if zebrafish larvae can be colonized by human gut microorganisms. We tested two strategies: (1) through transplantation of a human fecal microbiota and (2) by successively transplanting aerotolerant ...
    • Expression of copper-related genes in response to copper load 

      González Canales, Mauricio; Reyes Jara, Angélica; Suazo Romo, Miriam; Jo, William J.; Vulpe, Chris (AMER SOC CLINICAL NUTRITION, 2008-09-01)
      Copper is an essential micronutrient for all biological systems. Multiple proteins require one or more atoms of copper for proper structure and function, but excess of copper is toxic. To prevent the consequences of copper ...
    • Genome wide identification of Acidithiobacillus ferrooxidans (ATCC 23270) transcription factors and comparative analysis of ArsR and MerR metal regulators 

      Hödar Quiroga, Christian; Moreno, Pablo; Genova, Alex di; Latorre, Mauricio; Reyes Jara, Angélica; Maass Sepúlveda, Alejandro; González Canales, Mauricio; Cambiazo Ayala, Liliana (Springer, 2012)
      Acidithiobacillus ferrooxidans is a chemolithoautotrophic acidophilic bacterium that obtains its energy from the oxidation of ferrous iron, elemental sulfur, or reduced sulfur minerals. This capability makes it of great ...
    • Interplay between copper and zinc homeostasis through the transcriptional regulator Zur in Enterococcus faecalis 

      Latorre, Mauricio; Low, Marcela; Gárate, Esteban; Reyes Jara, Angélica; Murray, Bárbara E.; Cambiazo Ayala, Verónica; González, Mauricio (Royal Soc Chemistry, 2015)
      By integrating the microarray expression data and a global E. faecalis transcriptional network we identified a sub-network activated by zinc and copper. Our analyses indicated that the transcriptional response of the ...
    • Isolation and characterization of non-O157 Shiga toxin-producing Escherichia coli (STEC) isolated from retail ground beef in Santiago, Chile 

      Toro, Magaly; Rivera, Daniel; Jiménez, María Fernanda; Díaz, Leonela; Navarrete, Paola; Reyes-Jara, Angélica (Academic Press, 2018)
      © 2017 Elsevier Ltd Shiga toxin-producing Escherichia coli (STEC) is one of the main cause of foodborne disease worldwide, but isolation rates or characteristics of this bacteria from ground beef in Chile are unknown. The ...
    • Protective yeasts control V. anguillarum pathogenicity and modulate the innate immune response of challenged zebrafish (Danio rerio) larvae 

      Caruffo, Mario; Navarrete, Natalie C.; Salgado, Oscar A.; Faúndez, Nelly B.; Gajardo, Miguel C.; Feijóo, Carmen G.; Reyes-Jara, Angélica; García, Katherine; Navarrete, Paola (Frontiers Media S.A., 2016)
      © 2016 Caruffo, Navarrete, Salgado, Faúndez, Gajardo, Feijóo, Reyes-Jara, García and Navarrete. We investigated mechanisms involved in the protection of zebrafish (Danio rerio) larvae by two probiotic candidate yeasts, ...
    • Synergistic effect of copper and low temperature over Listeria monocytogenes 

      Latorre Mora, Mauricio; Quesille Villalobos, Ana María; Maza, Felipe; Parra, Angel; Reyes Jara, Angélica (Springer, 2015)
      The capacity to grow at low temperatures has allowed Listeria monocytogenes to become one of the primary food pathogens to date, representing a major public health problem worldwide. Several works have described the ...
    • The bioleaching potential of a bacterial consortium 

      Latorre Mora, Mauricio; Cortés Burgos, María Paz; Travisany, Dante; Di Genova, Alex; Budinich Abarca, Marko; Reyes Jara, Angélica; Hödar Quiroga, Christian; González Canales, Mauricio; Parada, Pilar; Bobadilla Fazzini, Roberto; Cambiazo Ayala, Liliana; Maass Sepúlveda, Alejandro (Elsevier, 2016)
      This work presents the molecular foundation of a consortium of five efficient bacteria strains isolated from copper mines currently used in state of the art industrial-scale biotechnology. The strains Acidithiobacillus ...