Doctor en Ciencias, (Biología), Universidad de Chile, 1983.
Líneas de Investigación
Biología de los ácidos ribonucleicos.
Regulación de la traducción génica.
Microbiología molecular.
Publicaciones Recientes
1.- Farah, C, Levican, G, Ibba, M., Orellana, O. 2014. “Effect of Hydrogen Peroxide on the Biosynthesis of Heme and Proteins: Potential Implications for the Partitioning of Glu-tRNA(Glu) between These Pathways” INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES. ISSN: 1661-6596. IF: 2.862
2.- Bustamante, P;Tello, M; Orellana, O. 2014. “Toxin-Antitoxin Systems in the Mobile Genome of Acidithiobacillus ferrooxidans”. PLOS ONE. ISSN: 1932-6203. IF: 3.534
3.- Levican, G, Gomez, MJ, Chavez, R. 2012. “Comparative genomic analysis reveals Novel Facts about Leptospirillum spp. Cytochromes”. JOURNAL OF MOLECULAR MICROBIOLOGY AND BIOTECHNOLOGY. ISSN: 1464-1801. IF: 2.10
4.- Katz, A; Orellana, O. 2012. “Glutamyl-tRNA in Bacteria. Multiple Identities for Multiple Functions” CROATICA CHEMICA ACTA. ISSN: 0011-1643. IF:0.728
5.- Bustamante, P, Covarrubias, PC, Levican, G, Orellana, O. 2012. “ICEAfe1, an Actively Excising Genetic Element from the Biomining Bacterium Acidithiobacillus ferrooxidans”. JOURNAL OF MOLECULAR MICROBIOLOGY AND BIOTECHNOLOGY. ISSN: 1464-1801. IF: 2.10
6.- de Armas-Ricard, M , Levican, G , Katz, A, Orellana, O. 2012. “Cellular levels of heme affect the activity of dimeric glutamyl-tRNA reductase”. BIOCHEMICAL AND BIOPHYSICAL RESEARCH COMMUNICATIONS. ISSN: 0006-291X. IF: 2.297.
7.- Katz, A , Banerjee, R , de Armas, M, Ibba, M., Orellana, O. 2010. “Redox status affects the catalytic activity of glutamyl-tRNA synthetase” BIOCHEMICAL AND BIOPHYSICAL RESEARCH COMMUNICATIONS. ISSN: 0006-291X. IF: 2.297.
8.- Santos, MAS ; Orellana, O ; Ibba, M. 2010. “Transfer RNA’s latest port of call”. RNA BIOLOGY. ISSN: 1547-6286. IF: 4.974
9.- Levican G, Katz A, Valdes J, Holmes, D., Orellana, O.. 2009. “A 300 kpb genome segment, including a complete set of tRNA genes, is dispensable for Acidithiobacillus ferrooxidans”. Advanced Materials Research. ISSN: 1022-6680. IF:
10.- Levican, G , Katz, A , de Armas, M, Orellana, O. 2007. “Regulation of a glutamyl-tRNA synthetase by the heme status”. PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA. ISSN: 0027-8424. IF: 9.809