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Claudio Christian Vasquez Guzman

Full Professor

UNIVERSIDAD DE SANTIAGO DE CHILE

Santago, Chile

Bacterial Resistance to Heavy Metals. Molecular Biology of Thermophiles. Restriction-Modification DNA Systems.

BIOCHEMIST, UNIVERSIDAD DE CHILE. Chile, 1977
Biological Sciences, PONTIFICIA UNIVERSIDAD CATOLICA DE CHILE. Chile, 1983

Instructor Full Time

UNIVERSIDAD DE SANTIAGO DE CHILE

Faculty of Chemistry and Biology

Santiago, Chile

1983 - 1985
Asistant Professor Full Time

UNIVERSIDAD DE CHILE

faculty of Chemical and Pharmaceutical Sciences

Santiago, Chile

1985 - 1988
Coordinator of Vegetal Biology Full Time

UNIVERSIDAD DE TALCA

Faculty of Natural Resources

Talca, Chile

1988 - 1995
Full Professor Full Time

UNIVERSIDAD DE CHILE

Faculty of Chemistry and Biology

Santiago, Chile

1995 - At present

Biochemistry Council member Part Time

Universidad de Chile

Santiago, Chile

1985 - 1986
Biochemistry and Molecular Biology Post-grade Comission Part Time

Universidad de Chile

Santiago, Chile

1986 - 1987
faculty of natural resources council member Part Time

Universidad de Talca

Talca, Chile

1989 - 1995
Member of Superior Academic Council Part Time

Universidad de Talca

Talca, Chile

1991 - 1995
Coordinator of Vegetal Biology Program Part Time

Universidad de Talca

Talca, Chile

1991 - 1995
Member of Sub-Comittee of Microbiology PhD program Part Time

Universidad de Chile

Santiago, Chile

1998 - 2002
Vice-Dean of Chemistry and Biology Faculty Part Time

Universidad de Santiago de Chile

Santiago, Chile

1996 - 1997
Council Member of Dept. Biological Sciences Part Time

Universidad de Santiago de Chile

Santiago, Chile

2004 - 2008
Vice-Dean Part Time

Universidad de Santiago de Chile

Santiago, Chile

2006 - 2008
Member of the Editorial Committee Part Time

Asia-Pacific Journal of Molecular Biology and Biotechnology

Chile

1994 - 1998
Member of the Editorial Committee Part Time

Biological Research

Chile

2001 - At present
Member Part Time

Biological Sciences Group, National Acreditation Commission

Chile

2008 - At present
Member Part Time

Biología 3 Group, Becas Chile, Capital Humano Avanzado, CONICYT

Santiago, Chile

2008 - At present
President Part Time

Chilean Society for Biochemistry and Molecular Biology.

Santiago, Chile

2005 - 2006
Past President Part Time

Chilean Society for Biochemistry and Molecular Biology.

Santiago, Chile

2007 - 2008

Undergraduate.

• Waldo Díaz Vásquez. 2009. Licenciate in Education (Chemistry and Biology). Universidad de Santiago de Chile.
• Nataly Contreras Santibáñez. 2010. Biochemist. Universidad Andrés Bello.
• Carolina Leal Muñoz. 2010. Biochemist. Universidad Andrés Bello.
• Braulio Paillavil Navarro. 2010. Biochemist. Universidad de Santiago de Chile.
• Claudia Muñoz Villagrán. 2011. Biochemist. Universidad de Santiago de Chile.
• Mauricio Sabotier Sepúlveda. Biochemist. Universidad Andrés Bello.
• Mauricio Valdivia González. 2011. Biochemist. Universidad Andrés Bello.
• Juan Pablo Monrás (co-tutor). 2011. Biochemist. Universidad Andrés Bello.
• David Loyola Collado. 2011. Engineer in Bioinformatics. Universidad de Talca.
• María José Abarca Lagunas. 2012. Biochemist. Universidad Andrés Bello.
• Nicole Henríquez Solís. 2013. Biochemist. Universidad de Santiago de Chile. In course.
• Wladimir Morales. 2013. Engineer in Bioinformatics. Universidad de Talca.
• Jaime García. 2013. Licenciate in Education (Chemistry and Biology). Universidad de Santiago de Chile.
• Camilo Pinto. 2014. Biochemist. Universidad de Santiago de Chile.
• María Francisca Pozo. 2014. Biochemist. Universidad de Santiago de Chile.
• Fabián Cornejo. 2014. Biochemist. Universidad de Santiago de Chile.
• Pablo Muñoz. 2014. Biochemist. Universidad de Santiago de Chile. In course.
• Joaquín Vargas. 2014. Biochemist. Universidad de Santiago de Chile. In course.

Graduate Master.

• Roberto Molina Quiroz. 2008. Master in Biochemistry. Universidad Andrés Bello.
• Nataly Contreras Santibáñez. 2010. Master in Biochemistry. Universidad Andrés Bello.
• Carolina Leal Muñoz. 2010. Master in Biochemistry. Universidad Andrés Bello.
• Mauricio Sabotier Sepúlveda. 2011. Master in Biochemistry. Universidad Andrés Bello.
• Mauricio Valdivia González. 2011. Master in Biochemistry. Universidad Andrés Bello.
• Juan Pablo Monrás (co-tutor). 2011. Master in Biochemistry. Universidad Andrés Bello.
• María José Abarca Lagunas. 2012. Master in Biochemistry. Universidad Andrés Bello.

Graduate PhD.

• Felipe Arenas Salinas. 2010. PhD in Microbiology. Universidad de Santiago de Chile.
• Juan Marcelo Sandoval. 2011. PhD in Microbiology. Universidad de Santiago de Chile.
• Gonzalo Pradenas Martínez. 2012. PhD in Microbiology. Universidad de Santiago de Chile.
• Roberto Molina Quiroz. 2012. PhD in Microbiology. Universidad de Santiago de Chile.
• Claudia Reinoso Guzmán. 2012. PhD in Microbiology. Universidad de Santiago de Chile.
• Alex Elías Bustos. 2012. PhD in Microbiology. Universidad de Santiago de Chile.
• Waldo Díaz Vásquez. 2013. PhD in Microbiology. Universidad de Santiago de Chile.
• Benoit Pugin. 2014. PhD in Biotechnology. Universidad de Santiago de Chile. In course.
• Juan Pablo Monrás (co-tutor). 2014. PhD in Microbiology. Universidad de Santiago de Chile. In course.
• Mauricio Valdivia González. 2014. PhD in Microbiology. Universidad de Santiago de Chile. In course.
• Fernanda Rodríguez. 2014. PhD in Microbiology. Universidad de Santiago de Chile. In course.
• Claudia Muñoz Villagrán. 2014. PhD in Microbiology. Universidad de Santiago de Chile. In course.
• María Isabel Amaya. 2014. PhD in Microbiology. Universidad de Santiago de Chile. In course.

Postdoctorate guidance.

• José Manuel Pérez, PhD in Microbiology (USACH financing, 2008-2009).
• José Manuel Pérez, PhD in Microbiology ( Conicyt financing, 2009-2011).
• Felipe Arenas Salinas, PhD in Microbiology (USACH financing, 2010-2011).
• Felipe Arenas Salinas, PhD in Microbiology (CONICYT financing, 2011-2014).
• Waldo Díaz Vásquez. PhD in Microbiology (USACH financing, 2014-2015).


Glutathione reductase-mediated synthesis of tellurium-containing nanostructures exhibiting antibacterial properties. Pugin, Benoit; Cornejo, Fabián A.; Munoz-Diaz, P; Munoz-Villagran, CM; Vargas-Perez, JI; Arenas, Felipe, A.; Vásquez, Claudio C. Article doi: 10.1128/AEM.02207-14 Applied Environmental Microbiology (2014)
Isolation, identification and characterization of highly tellurite-resistant, tellurite-reducing bacteria from Antarctica Arenas, Felipe, A.; Pugin, Benoit; Henríquez, Nicole A.; Arenas-Salinas, Mauricio A.; Díaz-Vásquez, Waldo A.; Pozo, María F.; Muñoz, Claudia M.; Chasteen, Thomas G.; Perez-Donoso, Jose M.; Vásquez, Claudio C. Article ISI SCOPUS POLAR SCIENCE (2014)
On the mechanism underlying tellurite reduction by Aeromonas caviae ST dihydrolipoamide dehydrogenase Arenas FA; Leal, CA; Pinto, CA; Arenas-Salinas, MA; Morales, WA; Cornejo, FA; Diaz-Vasquez, WA; Vásquez CC Article ISI SCOPUS BIOCHIMIE (2014)
Tellurite reduction by Escherichia coli NDH-II dehydrogenase results in superoxide production in membranes of toxicant-exposed cells Diaz-Vasquez W.A.; Abarca-Lagunas M.J.; Arenas F.A.; Pinto C.A.; Cornejo F.A.; Wansapura P.T.; Appuhamillage G.A.; Chasteen, T. G.; Vasquez, C. C. Article ISI SCOPUS BIOMETALS (2014)
Thiol-Mediated Reduction of Staphylococcus aureus Tellurite Resistance Pugin, Benoit; Cornejo, Fabián A.; García, Jaime A.; Díaz-Vásquez, Waldo A.; Arenas, Felipe, A.; Vásquez, Claudio C. Article DOI:10.4236/aim.2014.44024 Advances in Microbiology (2014)
DNA, Cell Wall and General Oxidative Damage Underlie the Tellurite/Cefotaxime Synergistic Effect in Escherichia coli Molina-Quiroz, RC; Loyola DE; Munoz-Villagran, CM; Quatrini, R; Vásquez CC; Perez-Donoso, JM Article ISI SCOPUS PLOS ONE (2013)
Monounsaturated Fatty Acids Are Substrates for Aldehyde Generation in Tellurite-Exposed Escherichia coli Pradenas, Gonzalo A.; Díaz-Vásquez, Waldo A.; Perez-Donoso, Jose M.; Vásquez, Claudio C. Article ISI SCOPUS BIOMED RESEARCH INTERNATIONAL (2013)
α-Ketoglutarate Accumulation Is Not Dependent on Isocitrate Dehydrogenase Activity during Tellurite Detoxification in Escherichia coli Reinoso, Claudia A.; Appanna, Vasu D.; Vásquez, Claudio C. Article BIOMED RESEARCH INTERNATIONAL (2013)
A comparative study of tellurite toxicity in normal and cancer cells Sandoval, J. M.; Verrax J.; Vasquez, C. C.; Calderon P.B. Article ISI SCOPUS Molecular and Cellular Toxicology (2012)
Biomimetic, Mild Chemical Synthesis of CdTe-GSH Quantum Dots with Improved Biocompatibility Perez-Donoso J.M.; Monrás, J.P; Bravo D.; Aguirre A.; Quest A.F.; Osorio-Roman I.O.; Aroca R.F.; Chasteen, T. G.; Vasquez, C. C. Article ISI SCOPUS PLOS ONE (2012)
Effect of tellurite-mediated oxidative stress on the Escherichia coli glycolytic pathway Valdivia-Gonzalez, M; Perez-Donoso J.M.; Vasquez, C. C. Article ISI SCOPUS BioMetals (2012)
Enhanced Glutathione Content Allows the In Vivo Synthesis of Fluorescent CdTe Nanoparticles by Escherichia coli Monrás, J.P; Díaz V.; Bravo D.; Montes, R. A.; Chasteen, T. G.; Osorio-Roman I.O.; Vasquez, C. C.; Perez-Donoso J.M. Article ISI SCOPUS PLOS ONE (2012)
Enhancing the Antibiotic Antibacterial Effect by Sub Lethal Tellurite Concentrations: Tellurite and Cefotaxime Act Synergistically in Escherichia coli Molina-Quiroz R.C.; Munoz-Villagran C.M.; de la Torre E.; Tantalean J.C.; Vasquez, C. C.; Perez-Donoso J.M. Article ISI SCOPUS PLOS ONE (2012)
NEW EVIDENCE ON THE ROLE OF CATALASE IN ESCHERICHIA COLI-MEDIATED BIOCORROSION. Baeza, S; Vejar, Nelson; Gulppi, Miguel; Azocar, Manuel; Melo, Francisco; Monsalve, Alberto; Perez-Donoso, Jose M.; Vásquez, Claudio C.; Pavez, Jorge.; Zagal, Jose H.; ZHOU, XIAN.; THOMPSON, GEORGE E.; Páez, Maritza A Article CORROSION SCIENCE (2012)
Reduction of the monounsaturated fatty acid content of Escherichia coli results in increased resistance to oxidative damage Pradenas, G. A.; Paillavil B.A.; Reyes-Cerpa, S; Perez-Donoso J.M.; Vasquez, C. C. Article ISI SCOPUS MICROBIOLOGY (2012)
Spectroscopic Properties and Biocompatibility Studies of CdTe Quantum Dots Capped with Biological Thiols Díaz V.; Ramirez-Maureira, M; Monrás, J.P; Vargas, J; Bravo D.; Osorio-Roman I.O.; Vasquez, C. C.; Perez-Donoso J.M. Article ISI SCOPUS Science of Advanced Materials (2012)
Tellurite enters Escherichia coli mainly through the PitA phosphate transporter Elías, Alex; Abarca, Maria J.; Montes, Rebeca A.; Chasteen, Thomas; Perez-Donoso, Jose M.; Vásquez, Claudio C. Article ISI SCOPUS MICROBIOLOGYOPEN (2012)
The acute bacterial toxicity of the selenocyanate anion and the bioprocessing of selenium by bacterial cells Montes, R. A.; Pradenas, G. A.; Perez-Donoso J.M.; Vasquez, C. C.; Chasteen, T. G. Article AGRICOLA, BazTech http://baztech.icm.edu.pl, CrossRef, Google Scholar http://scholar.google.com/ Environmental Biotechnology (2012)
Glucose-6-Phosphate Dehydrogenase Protects Escherichia coli from Tellurite-Mediated Oxidative Stress Sandoval, JM; Arenas FA; Vásquez CC Article ISI SCOPUS PLOS ONE (2011)
The Escherichia coli BtuE Protein Functions as a Resistance Determinant against Reactive Oxygen Species Arenas FA; Covarrubias PC; Sandoval, JM; Perez-Donoso, JM; Imlay, JA; Vásquez CC Article ISI SCOPUS PLOS ONE (2011)
Characterization of bacteria using its O-antigen with surface-enhanced Raman scattering Osorio-Roman, IO; Aroca, RF; Astudillo, J; Matsuhiro, B.; Vásquez C.; Perez, JM Article ISI SCOPUS Analyst (2010)
Production of dimethyl triselenide and dimethyl diselenenyl sulfide in the headspace of metalloid-resistant Bacillus species grown in the presence of selenium oxyanions Burra, R; Pradenas, GA; Montes, RA; Vásquez CC; Chasteen, TG Article ISI SCOPUS Analytical Biochemistry (2010)
Simple, Fast, and Sensitive Method for Quantification of Tellurite in Culture Media Molina, RC; Burra, R; Perez-Donoso, JM; Elias, AO; Munoz, C; Montes, RA; Chasteen, TG; Vásquez CC Article ISI SCOPUS Applied and Environmental Microbiology (2010)
Tellurite-induced carbonylation of the Escherichia coli pyruvate dehydrogenase multienzyme complex Contreras, ND; Vásquez CC Article ISI SCOPUS Archives of Microbiology (2010)
Tellurite-induced oxidative stress leads to cell death of murine hepatocarcinoma cells Sandoval, JM; Leveque, P; Gallez, B; Vásquez CC; CALDERON, PB Article ISI SCOPUS BioMetals (2010)
The Escherichia coli btuE gene, encodes a glutathione peroxidase that is induced under oxidative stress conditions Arenas FA; Diaz, WA; Leal, CA; Perez-Donoso, JM; Imlay, JA; Vásquez CC Article ISI SCOPUS Biochemical and Biophysical Research Communications (2010)
Biological interactions of selenocyanate: Bioprocessing, detection and toxicity Burra, R; Fox, JD; Pradenas, GA; Vásquez CC; Chasteen, TG Article ISI SCOPUS ENVIRONMENTAL TECHNOLOGY (2009)
Cloning, purification and characterization of Geobacillus stearothermophilus V uroporphyrinogen-III C-methyltransferase: evaluation of its role in resistance to potassium tellurite in Escherichia coli Araya, MA; Tantatean, JC; Perez, JM; Fuentes DE; Calderon, LL; Saavedra, CP; Burra, R; Chasteen, TG; Vásquez CC Article ISI SCOPUS RESEARCH IN MICROBIOLOGY (2009)
Expression of Aeromonas caviae ST pyruvate dehydrogenase complex components mediate tellurite resistance in Escherichia coli Castro ME; Molina, RC; Diaz, WA; Pradenas, GA; Vásquez CC Article ISI SCOPUS BIOCHEMICAL AND BIOPHYSICAL RESEARCH COMMUNICATIONS (2009)
Expression of the yggE gene protects Escherichia coli from potassium tellurite-generated oxidative stress Acuña LG; Calderon, IL; Elias, AO; Castro ME; Vásquez CC Article ISI SCOPUS ARCHIVES OF MICROBIOLOGY (2009)
Tellurite-mediated disabling of [4Fe-4S] clusters of Escherichia coli dehydratases Calderon, IL; Elias, AO; Fuentes, EL; Pradenas, GA; Castro ME; Arenas FA; Perez, JM; Vásquez CC Article ISI SCOPUS MICROBIOLOGY-SGM (2009)
Tellurite: History, oxidative stress, and molecular mechanisms of resistance: Review article Vasquez, C. C.; Chasteen, T. G.; Fuentes D.E.; Tantalean J.C. Article FEMS MICROBIOLOGY REVIEWS (2009)
Escherichia coli YqhD exhibits aldehyde reductase activity and protects from the harmful effect of lipid peroxidation-derived aldehydes Perez, JM; Arenas FA; Pradenas, GA; Sandoval, JM; Vásquez CC Article ISI SCOPUS JOURNAL OF BIOLOGICAL CHEMISTRY (2008)
The dihydrolipoamide dehydrogenase of Aeromonas caviae ST exhibits NADH-dependent tellurite reductase activity Castro ME; Molina, R.; Diaz, W; Pichuantes, SE; Vásquez CC Article ISI SCOPUS BIOCHEMICAL AND BIOPHYSICAL RESEARCH COMMUNICATIONS (2008)
Tellurite-mediated damage to the Escherichia coli electron transport chain components. Arch. Biochem. Biophys. 2a Revisión. Díaz-Vásquez, Waldo A.; Abarca, Maria J.; Chasteen, Thomas G.; Pinto, CA; Arenas, Felipe, A.; Vásquez, Claudio C. Article in revision process Archives of Biochemistry and Biophysics
The acetate ActP transporter mediates early tellurite uptake in Escherichia coli. Elías, Alex; Díaz-Vásquez, Waldo A.; Abarca, Maria J.; Chasteen, Thomas; Vásquez, Claudio C. Article In preparation LETTERS IN APPLIED MICROBIOLOGY


Antioxidant Role of Escherichia Coli Glucose-6-Phosphate Dehydrogenase in Metalloid-Mediated Oxidative Stress Sandoval, Juan M.; Arenas, Felipe, A.; Vásquez, Claudio C.; iConcept Press BookSection (2014)
Catalases as NAD(P)H-Dependent Tellurite Reductases Calderón, Iván L.; Vásquez, Claudio C.; Kretsinger, Robert H.; Uversky, Vladimir N.; Permyakov, Eugene A. BookSection (2013)
Site-directed mutagenesis as a tool for unveiling mechanisms of bacterial tellurite resistance. Perez-Donoso, Jose M.; Casquez, Claudio C; Figurski, David . BookSection (2013)
Tellurium and Oxidative Stress Elías, Alex; Vásquez, Claudio C.; Kretsinger, Robert H.; Uversky, Vladimir N.; Permyakov, Eugene A. BookSection (2013)
Bioremediating heavy metals through the synthesis of metal nanoparticles by microorganisms. Monrás, Juan P.; Bravo, Denisse; Díaz, Victor; Muñoz Claudia; Osorio-Román, Igor.; Soto, MA; Vásquez, Claudio C.; Perez-Donoso, Jose M.; Sánchez, Mario BookSection (2011)
Síntesis microbiológica de nanopartículas de cadmio, selenio y teluro. Monrás, Juan P.; Vásquez, Claudio C.; Perez-Donoso, Jose M. BookSection (2011)
Catalases as NAD(P)H-dependent tellurite reductases. Calderón, Iván L.; Vásquez, Claudio C.; Kretsinger, Robert H.; Uversky, Vladimir N.; Permyakov, Eugene A. BookSection


Synthesis of highly fluorescent CdTe-GSH nanoparticles (quantum dots). Perez-Donoso, Jose M.; Monrás, Juan P.; Osorio-Roman, Igor O.; Vásquez, Claudio C. Patent Patent solicited at the Chilean National Institute of Industrial Property (INAPI) (2011)