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Sergio Álvarez Armijo

Profesor Asistente

UNIVERSIDAD DE CHILE. FACULTAD DE CIENCIAS QUÍMICAS Y FARMACÉUTICAS

Santiago, Chile

Genetics and biochemistry of lipopolysaccharide; Molecular mechanisms of pathogenicity of Enterobacteria

Doctorado en Bioquímica, UNIVERSIDAD DE CHILE. Chile, 2004
Bioquímico, UNIVERSIDAD DE CHILE. Chile, 1991

Profesor Asistente Full Time

UNIVERSIDAD DE CHILE

Ciencias Químicas y Farmacéuticas

Santiago, Chile

1991 - A la fecha

Académico Full Time

Universidad de Chile. Facultad de Ciencias Químicas y Farmacéuticas

Santiago, Chile

1991 - A la fecha


Fluorescence enzymatic assay for bacterial polyphosphate kinase 1 (PPK1) as a platform for screening antivirulence molecules Campos, Francisca; Alvarez, Javiera A.; Ortiz-Severin, Javiera; Varas, Macarena A.; Lagos, Carlos F; Cabrera, Ricardo; Alvarez, Sergio A.; Chavez, Francisco P. Article ISI INFECTION AND DRUG RESISTANCE (2019)
Contribution of the twin-arginine translocation system to the intracellular survival of salmonella typhimurium in dictyostelium discoideum Urrutia Í.M.; Sabag A.; Valenzuela C.; Labra B.; Álvarez S.A.; Santiviago, C. A. Article ISI SCOPUS FRONTIERS IN MICROBIOLOGY (2018)
Fnr and ArcA Regulate Lipid A Hydroxylation in Salmonella Enteritidis by Controlling lpxO Expression in Response to Oxygen Availability Fernandez, PA; Velasquez, F; Garcias-Papayani, H; Amaya, FA; ortega, j; Gomez, S; Santiviago, CA; Alvarez, SA Article ISI SCOPUS FRONTIERS IN MICROBIOLOGY (2018)
Phosphate Favors the Biosynthesis of CdS Quantum Dots in Acidithiobacillus thiooxidans ATCC 19703 by Improving Metal Uptake and Tolerance Ulloa, Giovanni; Quezada, Carolina P.; Araneda, Mabel; Escobar, Blanca; Fuentes, Edwar; Álvarez, Sergio A.; Castro, Matías; Bruna, Nicolás; Espinoza-González, Rodrigo; Bravo, Denisse; Pérez-Donoso, José M. Article ISI SCOPUS FRONTIERS IN MICROBIOLOGY (2018)
Possible Role of Envelope Components in the Extreme Copper Resistance of the Biomining Acidithiobacillus ferrooxidans Oetiker, N; Norambuena R.; Martinez-Bussenius, C; Navarro, CA; Amaya, F; Alvarez, SA; Paradela, A; JEREZ, CA Article ISI SCOPUS GENES (2018)
"Use of acidophilic bacteria of the genus Acidithiobacillus to biosynthesize CdS fluorescent nanoparticles (quantum dots) with high tolerance to acidic pH". Ulloa, G; Collao, B; Araneda, M; Escobar, B; Álvarez, S; Bravo, D; Pérez-Donoso, J M Article Enzyme and microbial technology (2016)
O-antigen chain-length distribution in Salmonella enterica serovar Enteritidis is regulated by oxygen availability Silva-Valenzuela, Cecilia A; Velásquez, Felipe; Peñailillo, Johany; Garcias-Papayani, Héctor; Fernández, Paulina; Tobar, Pía; Contreras, Inés; Santiviago, Carlos A; Álvarez, Sergio A Article BIOCHEMICAL AND BIOPHYSICAL RESEARCH COMMUNICATIONS (2016)
Relevant genes linked to virulence are required for Salmonella Typhimurium to survive intracellularly in the social amoeba Dictyostelium discoideum Riquelme, Sebastián; Varas, Macarena; Valenzuela, Camila; Velozo, Paula; Chahin, Nicolás; Aguilera, Paulina; Sabag, Andrea; Labra, Bayron; Álvarez, Sergio A; Chávez, Francisco P; Santiviago, Carlos A Article Frontiers in Microbiology (2016)
Draft Genome Sequence of Salmonella enterica Serovar Typhi Strain STH2370 Valenzuela, C.; Ugalde, J. A.; Mora, G. C.; Alvarez, S.; Contreras, I.; Santiviago, C. A. Article Genome Announcements (2014)
The type VI secretion system encoded in SPI-19 is required for Salmonella Gallinarum survival within infected macrophages Blondel, Carlos J; Jiménez, Juan C; Leiva, Lorenzo E; Álvarez, Sergio A; Pinto, Bernardo I; Contreras, Francisca; Pezoa, David; Santiviago, Carlos A; Contreras, Inés Article INFECTION AND IMMUNITY (2013)
The normal chain length distribution of the O antigen is required for the interaction of Shigella flexneri 2a with polarized Caco-2 cells Hoare, A; Bravo D.; Martinic, M.; Valvano M.A.; Contreras, I; Alvarez S.A. Article ISI SCIELO SCOPUS Biological Research (2012)
Contribution of the lipopolysaccharide to resistance of Shigella flexneri 2a to extreme acidity Martinic, Mara; Hoare, Anilei; Contreras, Inés; Álvarez, Sergio A Article PLoS One (2011)
Different sugar residues of the lipopolysaccharide outer core are required for early interactions of Salmonella enterica serovars Typhi and Typhimurium with epithelial cells Bravo D.; Hoare, A; Valenzuela C.; Salinas, C; Alvarez S.A.; Contreras, I; Silipo A.; Molinaro A.; Valvano M.A. Article ISI SCOPUS Microbial Pathogenesis (2011)
The cellular level of O-antigen polymerase Wzy determines chain length regulation by WzzB and WzzpHS-2 in Shigella flexneri 2a Carter, Javier A; Jiménez, Juan C; Zaldívar, Mercedes; Álvarez, Sergio A; Marolda, Cristina L; Valvano, Miguel A; Contreras, Inés Article MICROBIOLOGY-SGM (2009)
Growth-phase regulation of lipopolysaccharide o-antigen chain length influences serum resistance in serovars of Salmonella Bravo, Denisse; Silva, Cecilia; Carter, Javier A; Hoare, Anilei; Álvarez, Sergio A; Blondel, Carlos J; Zaldívar, Mercedes; Valvano, Miguel A; Contreras, Inés Article JOURNAL OF MEDICAL MICROBIOLOGY (2008)
O-antigen modal chain length in Shigella flexneri 2a is growth-regulated through RfaH-mediated transcriptional control of the wzy gene Carter, Javier A; Blondel, Carlos J; Zaldívar, Mercedes; Álvarez, Sergio A; Marolda, Cristina L; Valvano, Miguel A; Contreras, Inés Article MICROBIOLOGY-SGM (2007)
The outer core lipopolysaccharide of Salmonella enterica Serovar typhi is required for bacterial entry into epithelial cells Hoare, A; Bittner M.; CARTER J.; Álvarez, S.; Zaldivar, M; Bravo D.; Valvano, MA; Contreras, I Article ISI SCOPUS INFECTION AND IMMUNITY (2006)
Copper ions stimulate polyphosphate degradation and phosphate efflux in Acidithiobacillus ferrooxidans Álvarez, S.; JEREZ, CA Article ISI SCOPUS APPLIED AND ENVIRONMENTAL MICROBIOLOGY (2004)


Subverting the host to survive - Role of type III secretion systems and effector proteins in the interaction of Salmonella Typhimurium with the social amoeba Dictyostelium discoideum FONDECYT (1171844) Proyecto 2017-2021 Coinvestigador(a)
GLOBAL IDENTIFICATION OF A COMMON SET OF GENES REQUIRED FOR THE INTRACELLULAR SURVIVAL OF SALMONELLA ENTERICA SEROVAR TYPHIMURIUM IN MACROPHAGES AND PROTOZOA FONDECYT (1140754) Proyecto 2014-2017 Coinvestigador(a)
Red de Microbiología Humana (ReMHa) Universidad de Chile (URED-2014-001) Proyecto 2014-2016 Investigador(a)
OXYGEN-DEPENDENT MODULATION OF THE SALMONELLA ENTERITIDIS LIPOPOLYSACCHARIDE=> REGULATORY MECHANIMS AND IMPACT IN VIRULENCE FONDECYT (1130225) Proyecto 2013-2016 Inv. Responsable
GENOME-WIDE IDENTIFICATION OF GENES REQUIRED FOR SYSTEMIC COLONIZATION OF BROAD AND NARROW HOST-RANGE SALMONELLA ENTERICA SEROTYPES IN A MURINE MODEL OF SALMONELLOSIS FONDECYT (1110172) Proyecto 2011-2014 Coinvestigador(a)
TYPE SIX SECRETION SYSTEMS IN SALMONELLA ENTERICA=> ROLE IN PATHOGENICITY AND HOST SPECIFICITY OF SEROTYPES TYPHIMURIUM, DUBLIN, GALLINARUM AND ENTERITIDIS. FONDECYT (1100092) Proyecto 2010-2013 Coinvestigador(a)
“Caracterización de islas genómicas en bacterias patógenas intracelulares=> epidemiología molecular e identificación de posibles inmunógenos protectores para el desarrollo de vacunas PIA (ADI-08/200) Proyecto 2007-2011 Investigador(a)
Modulación ambiental de la expresión del Antígeno O en Salmonella enterica serovar Typhi=> estudio de los mecanismos regulatorios y de la importancia de esta modulación en la capacidad infectiva de la bacteria FONDECYT (1040562) Proyecto 2004-2007 Investigador(a)
Metabolismo de los polifosfatos en microorganismos extremófilos=> implicaciones fisiológicas, evolutivas y biotecnológicas FONDECYT (1000679) Proyecto 2000-2002 Tesista
ESTUDIO DE LA CAPACIDAD DE ADHERENCIA Y BIOSORCION DE IONES METALICOS DE UNA CEPA DE BACILLUS SP FONDECYT (1950442) Proyecto 1995-1998 Coinvestigador(a)
Development of a simple microbial technology to remove heavy metals from mine drainage International Foundation for Science (E1155-2) Proyecto 1991-1997 Investigador(a)
Mecanismos sensoriales y adaptativos de las bacterias=> aspectos de la quimiotaxis y respuesta al stress ambiental FONDECYT (1880074) Proyecto 1989-1991 Tesista

10

Sergio Álvarez

Profesor Asistente

Bioquímica y Biología Molecular

UNIVERSIDAD DE CHILE. FACULTAD DE CIENCIAS QUÍMICAS Y FARMACÉUTICAS

Santiago, Chile

3

Anilei Hoare

Profesora Asistente

Medicina y Patología Oral

Universidad de Chile

SANTIAGO, Chile

3

Denisse Bravo

Associate Professor

Pathology and Oral Medicine

UNIVERSIDAD DE CHILE

Santiago, Chile

1

Ricardo Cabrera

Assitant Pofessor

Biology

UNIVERSIDAD DE CHILE

Santiago, Chile

1

Matías Castro

Investigador

Ingeniería y Tecnología

Universidad San Sebastián

Concepción, Chile

1

Carolina Quezada

Postdoctoral researcher

CIBQA

Universidad Bernardo O'Higgins

Santiago, Chile

1

Francisco Chávez

Profesor Asistente

Departamento de Biología

Universidad de Chile

Santiago, Chile

1

felipe velasquez

Estudiante de doctorado

Virologia

Universidad de Chile

Santiago, Chile

1

Carlos Lagos

Profesor Asociado

FACULTAD DE MEDICINA Y CIENCIA

UNIVERSIDAD SAN SEBASTIÁN

SANTIAGO, Chile

1

Rodrigo Espinoza

Associate Professor

Department of Chemical Engineering Biotechnology and Materials

UNIVERSIDAD DE CHILE

Santiago, Chile

1

José Pérez

Associate Professor

Biologia

Universidad Andres Bello

Santiago, Chile

1

Edwar Fuentes

Académico jornada completa

Química Inorgánica y Analítica

UNIVERSIDAD DE CHILE, FACULTAD DE CIENCIAS QUÍMICAS Y FARMACÉUTICAS

Santiago, Chile

1

Nia Oetiker

PhD

UNAB

santiago, Chile

1

Ítalo Urrutia

Profesor Asistente

Universidad Autónoma de Chile

Santiago, Chile

1

Cristobal Martinez

Ingeniero de Proyecto

Ingenieria

DICTUC S.A

Santiago , Chile