Renato Chávez Rosales

Académico de Jornada Completa
Departamento de Biología
Facultad de Química y Biología
Universidad de Santiago de Chile

Teléfono: (56) 2718 - 1091
eMail: renato.chavez@usach.cl

Formación Profesional 

  • Doctor (Ph. D.) en Ciencias Biológicas, Pontificia Universidad Católica de Chile
  • Bioquímico, Universidad de Santiago de Chile

Líneas de Investigación o Áreas de Especialización 

  • Microbiología de hongos filamentosos, microbiología antártica

Publicaciones Efectuadas Ultimos 5 Años 

Henríquez, M., Vergara, K., Norambuena, J., Beiza, A., Maza, F., Ubilla, P., Araya, I., Chávez, R., San Martín, A., Darias, J., Darias, M.J., y Vaca I. 2013. Diversity of cultivable fungi associated with Antarctic marine sponges and screening for their antimicrobial, antitumoral and antioxidant potential. World Journal of Microbiology and Biotechnology, aceptado.

Vaca, I., Faúndez, C., Maza, F., Paillavil, B.,ández, C.,F., Martínez, C., Levicán, G. y Chávez, R. 2013. Cultivable psychrotolerant yeasts associated with Antarctic marine sponges. World Journal of Microbiology and Biotechnology, 29183-189.

Laich, F., Vaca, I. y Chávez, R. 2013. Rhodotorula portillonensis sp. nov., a basidiomycetous yeast isolated from shallow-water marine sediment from Fildes Bay, King George Island, Antarctica. International Journal of Systematic and Evolutionary Microbiology, aceptado.

Ravanal, M.C., Espinosa, Y., Rosa, L., Vaca, I., Polanco, R., Eyzaguirre, J., Levicán, G. y Chávez, R. 2012. Glucose-induced production of a Penicillium purpurogenum xylanase by Aspergillus nidulans. Mycoscience 53:152-155.

Levicán, G., Gómez, M.J., Chávez, R., Orellana, O., Moreno-Paz, M. y Parro, V. 2012 . Comparative genomic analysis reveals novel facts about Leptospirillum spp. cytochromes. Journal of Molecular Microbiology and Biotechnology 22:94-104.

Norambuena, J., Flores, R., Cárdenas, J.P., Quatrini, R., Chávez, R. y Levicán, G. 2012. Thiol/Disulfide system plays a crucial role in redox protection in the acidophilic iron-oxidizing bacterium Leptospirillum ferriphilum. PLOS One, 7:e44576.

Vaca, I., Casqueiro, J., Ullán, R.V., Rumbero, A., Chávez, R. y Martín, J.F. 2011. A preparative method for the purification of isopenicillin N from genetically blocked Acremonium chrysogenum strain TD189: studies on the degradation kinetics and storage conditions. Journal of Antibiotics, :447-451.

Espinosa, Y., Trebotich, J., Sepúlveda, F., Cadena, J., Vargas-Straube, M.J., Vaca, I., Bull, P., Levicán, G., Chávez, R. 2011. Production of a heterologous recombinant protein using fragments of the glyceraldehyde-3-phosphate dehydrogenase promoter from Penicillium camemberti. World Journal of Microbiology and Biotechnology 27:3019-3023.

Chávez, R., Fierro, F. García-Rico, R.O. y Laich, F. 2011. Mold-fermented foods: Penicillium spp. as ripening agents in the elaboration of cheese and meat products. In Mycofactories Ana Lúcia Leitão, Ed., Chapter 5, Bentham Science Publishers Ltd., pp. 73-98. eISBN: 978-1-60805-223-3.

Cortés, A., Flores, R., Norambuena, J., Cárdenas, J.P., Quatrini, R., Chávez, R., Orellana, O. y Levicán, G. 2011. Comparative study of redox stress response in the acidophilic bacteria Leptospirillum ferriphilum and Acidithiobacillus ferrooxidans. In Biohydrometallurgy: Biotech key to unlock mineral resources value. Vol 1. Guanzhou Qiu, Tiao Jang, Wenqing Qin, Xueduan Lui, Yu Yang, Haidong Wang, Eds., Central South University Press, China, pp. 354-357. ISBN: 978-7-5487-0356-3.

Chávez, R., Roa, A., Navarrete, K., Trebotich, J., Espinosa, Y. y Vaca, I. 2010. Evaluation of properties of several cheese-ripening fungi for potential biotechnological applications. Mycoscience, 51: 84-87.

Navarrete, K., Roa, A., Vaca, I., Espinosa, Y., Navarro, C. y Chávez, R. 2009. Molecular characterization of the niaD and pyrG genes from Penicillium camemberti, and their use as transformation markers. Cellular and Molecular Biology Letters 14: 692-702.

García-Rico, R.O., Chávez, R., Fierro, F. y Martín, J.F. 2009. Effect of a heterotrimeric G protein asubunit on conidia germination, stress response, and roquefortine C production in Penicillium roqueforti. International Microbiology12: 123-129.

Felmer, R., Sagredo, B., Chávez, R., Iraira, S., Folch, C., Parra, L., Catrileo, A., y Ortiz, M. 2008. Implementation of a molecular system for traceability of beef based on microsatellite markers. Chilean Journal of Agricultural Research 68: 342-351.

Díaz, J., Chávez, R., Larrondo, L.F., Eyzaguirre, J. y Bull, P. 2008

Functional analysis of the endoxylanase B xynB promoter from Penicillium purpurogenum. Current Genetics 54: 133-141.