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Items: 33


Osmotic Imbalance, Cytoplasm Acidification and Oxidative Stress Induction Support the High Toxicity of Chloride in Acidophilic Bacteria.

Rivera-Araya J, Pollender A, Huynh D, Schlömann M, Chávez R, Levicán G.

Front Microbiol. 2019 Oct 29;10:2455. doi: 10.3389/fmicb.2019.02455. eCollection 2019.


Cold-active pectinolytic activity produced by filamentous fungi associated with Antarctic marine sponges.

Poveda G, Gil-Durán C, Vaca I, Levicán G, Chávez R.

Biol Res. 2018 Aug 27;51(1):28. doi: 10.1186/s40659-018-0177-4.


Draft genome sequence of Rhodococcus erythropolis B7g, a biosurfactant producing actinobacterium.

Retamal-Morales G, Heine T, Tischler JS, Erler B, Gröning JAD, Kaschabek SR, Schlömann M, Levicán G, Tischler D.

J Biotechnol. 2018 Aug 20;280:38-41. doi: 10.1016/j.jbiotec.2018.06.001. Epub 2018 Jun 4.


Iron targeted transcriptome study draws attention to novel redox protein candidates involved in ferrous iron oxidation in "Ferrovum" sp. JA12.

Ullrich SR, Poehlein A, Levicán G, Mühling M, Schlömann M.

Res Microbiol. 2018 Dec;169(10):618-627. doi: 10.1016/j.resmic.2018.05.009. Epub 2018 Jun 2.


The developmental regulator Pcz1 affects the production of secondary metabolites in the filamentous fungus Penicillium roqueforti.

Rojas-Aedo JF, Gil-Durán C, Goity A, Vaca I, Levicán G, Larrondo LF, Chávez R.

Microbiol Res. 2018 Jul - Aug;212-213:67-74. doi: 10.1016/j.micres.2018.05.005. Epub 2018 May 4.


Detection of arsenic-binding siderophores in arsenic-tolerating Actinobacteria by a modified CAS assay.

Retamal-Morales G, Mehnert M, Schwabe R, Tischler D, Zapata C, Chávez R, Schlömann M, Levicán G.

Ecotoxicol Environ Saf. 2018 Aug 15;157:176-181. doi: 10.1016/j.ecoenv.2018.03.087. Epub 2018 Apr 2.


Role of sfk1 Gene in the Filamentous Fungus Penicillium roqueforti.

Torrent C, Gil-Durán C, Rojas-Aedo JF, Medina E, Vaca I, Castro P, García-Rico RO, Cotoras M, Mendoza L, Levicán G, Chávez R.

Front Microbiol. 2017 Dec 6;8:2424. doi: 10.3389/fmicb.2017.02424. eCollection 2017.


Heterotrimeric G protein alpha subunit controls growth, stress response, extracellular protease activity, and cyclopiazonic acid production in Penicillium camemberti.

García-Rico RO, Gil-Durán C, Rojas-Aedo JF, Vaca I, Figueroa L, Levicán G, Chávez R.

Fungal Biol. 2017 Sep;121(9):754-762. doi: 10.1016/j.funbio.2017.05.007. Epub 2017 Jun 3.


Functionality of tRNAs encoded in a mobile genetic element from an acidophilic bacterium.

Alamos P, Tello M, Bustamante P, Gutiérrez F, Shmaryahu A, Maldonado J, Levicán G, Orellana O.

RNA Biol. 2018;15(4-5):518-527. doi: 10.1080/15476286.2017.1349049. Epub 2017 Aug 29.


The Biosynthetic Gene Cluster for Andrastin A in Penicillium roqueforti.

Rojas-Aedo JF, Gil-Durán C, Del-Cid A, Valdés N, Álamos P, Vaca I, García-Rico RO, Levicán G, Tello M, Chávez R.

Front Microbiol. 2017 May 5;8:813. doi: 10.3389/fmicb.2017.00813. eCollection 2017.


Cytochrome c peroxidase (CcP) is a molecular determinant of the oxidative stress response in the extreme acidophilic Leptospirillum sp. CF-1.

Zapata C, Paillavil B, Chávez R, Álamos P, Levicán G.

FEMS Microbiol Ecol. 2017 Mar 1;93(3). doi: 10.1093/femsec/fix001.


Cobalamin Protection against Oxidative Stress in the Acidophilic Iron-oxidizing Bacterium Leptospirillum Group II CF-1.

Ferrer A, Rivera J, Zapata C, Norambuena J, Sandoval Á, Chávez R, Orellana O, Levicán G.

Front Microbiol. 2016 May 23;7:748. doi: 10.3389/fmicb.2016.00748. eCollection 2016.


Complete genome sequence of the bioleaching bacterium Leptospirillum sp. group II strain CF-1.

Ferrer A, Bunk B, Spröer C, Biedendieck R, Valdés N, Jahn M, Jahn D, Orellana O, Levicán G.

J Biotechnol. 2016 Mar 20;222:21-2. doi: 10.1016/j.jbiotec.2016.02.008. Epub 2016 Feb 4.


Identification and Functional Analysis of the Mycophenolic Acid Gene Cluster of Penicillium roqueforti.

Del-Cid A, Gil-Durán C, Vaca I, Rojas-Aedo JF, García-Rico RO, Levicán G, Chávez R.

PLoS One. 2016 Jan 11;11(1):e0147047. doi: 10.1371/journal.pone.0147047. eCollection 2016.


The pcz1 gene, which encodes a Zn(II)2Cys6 protein, is involved in the control of growth, conidiation, and conidial germination in the filamentous fungus Penicillium roqueforti.

Gil-Durán C, Rojas-Aedo JF, Medina E, Vaca I, García-Rico RO, Villagrán S, Levicán G, Chávez R.

PLoS One. 2015 Mar 26;10(3):e0120740. doi: 10.1371/journal.pone.0120740. eCollection 2015.


Effect of hydrogen peroxide on the biosynthesis of heme and proteins: potential implications for the partitioning of Glu-tRNA(Glu) between these pathways.

Farah C, Levicán G, Ibba M, Orellana O.

Int J Mol Sci. 2014 Dec 11;15(12):23011-23. doi: 10.3390/ijms151223011.


Draft Genome Sequence of Nitrincola sp. Strain A-D6, an Arsenic-Resistant Gammaproteobacterium Isolated from a Salt Flat.

Valdés N, Rivera-Araya J, Bijman J, Escudero L, Demergasso C, Fernández S, Ferrer A, Chávez R, Levicán G.

Genome Announc. 2014 Nov 20;2(6). pii: e01144-14. doi: 10.1128/genomeA.01144-14.


Cold-active xylanase produced by fungi associated with Antarctic marine sponges.

Del-Cid A, Ubilla P, Ravanal MC, Medina E, Vaca I, Levicán G, Eyzaguirre J, Chávez R.

Appl Biochem Biotechnol. 2014 Jan;172(1):524-32. doi: 10.1007/s12010-013-0551-1. Epub 2013 Oct 6.


ICE Afe 1, an actively excising genetic element from the biomining bacterium Acidithiobacillus ferrooxidans.

Bustamante P, Covarrubias PC, Levicán G, Katz A, Tapia P, Holmes D, Quatrini R, Orellana O.

J Mol Microbiol Biotechnol. 2012;22(6):399-407. doi: 10.1159/000346669. Epub 2013 Mar 7.


Thiol/Disulfide system plays a crucial role in redox protection in the acidophilic iron-oxidizing bacterium Leptospirillum ferriphilum.

Norambuena J, Flores R, Cárdenas JP, Quatrini R, Chávez R, Levicán G.

PLoS One. 2012;7(9):e44576. doi: 10.1371/journal.pone.0044576. Epub 2012 Sep 6.


Cultivable psychrotolerant yeasts associated with Antarctic marine sponges.

Vaca I, Faúndez C, Maza F, Paillavil B, Hernández V, Acosta F, Levicán G, Martínez C, Chávez R.

World J Microbiol Biotechnol. 2013 Jan;29(1):183-9. doi: 10.1007/s11274-012-1159-2. Epub 2012 Aug 28.


Comparative genomic analysis reveals novel facts about Leptospirillum spp. cytochromes.

Levicán G, Gómez MJ, Chávez R, Orellana O, Moreno-Paz M, Parro V.

J Mol Microbiol Biotechnol. 2012;22(2):94-104. doi: 10.1159/000338105. Epub 2012 May 22.


Cellular levels of heme affect the activity of dimeric glutamyl-tRNA reductase.

de Armas-Ricard M, Levicán G, Katz A, Moser J, Jahn D, Orellana O.

Biochem Biophys Res Commun. 2011 Feb 4;405(1):134-9. doi: 10.1016/j.bbrc.2011.01.013. Epub 2011 Jan 8.


Acidithiobacillus thiooxidans secretome containing a newly described lipoprotein Licanantase enhances chalcopyrite bioleaching rate.

Bobadilla Fazzini RA, Levican G, Parada P.

Appl Microbiol Biotechnol. 2011 Feb;89(3):771-80. doi: 10.1007/s00253-010-3063-8. Epub 2010 Dec 30.


Comparative genomic analysis of carbon and nitrogen assimilation mechanisms in three indigenous bioleaching bacteria: predictions and validations.

Levicán G, Ugalde JA, Ehrenfeld N, Maass A, Parada P.

BMC Genomics. 2008 Dec 3;9:581. doi: 10.1186/1471-2164-9-581.


Regulation of a glutamyl-tRNA synthetase by the heme status.

Levicán G, Katz A, de Armas M, Núñez H, Orellana O.

Proc Natl Acad Sci U S A. 2007 Feb 27;104(9):3135-40. Epub 2007 Feb 20.


A tRNA(Glu) that uncouples protein and tetrapyrrole biosynthesis.

Levicán G, Katz A, Valenzuela P, Söll D, Orellana O.

FEBS Lett. 2005 Nov 21;579(28):6383-7. Epub 2005 Oct 25.


Apparent redundancy of electron transfer pathways via bc(1) complexes and terminal oxidases in the extremophilic chemolithoautotrophic Acidithiobacillus ferrooxidans.

Brasseur G, Levican G, Bonnefoy V, Holmes D, Jedlicki E, Lemesle-Meunier D.

Biochim Biophys Acta. 2004 Jun 7;1656(2-3):114-26.


Characterization of the petI and res operons of Acidithiobacillus ferrooxidans.

Levicán G, Bruscella P, Guacunano M, Inostroza C, Bonnefoy V, Holmes DS, Jedlicki E.

J Bacteriol. 2002 Mar;184(5):1498-501.


ISAfe1, an ISL3 family insertion sequence from Acidithiobacillus ferrooxidans ATCC 19859.

Holmes DS, Zhao HL, Levican G, Ratouchniak J, Bonnefoy V, Varela P, Jedlicki E.

J Bacteriol. 2001 Jul;183(14):4323-9.


IST1 insertional inactivation of the resB gene: implications for phenotypic switching in Thiobacillus ferrooxidans.

Cabrejos ME, Zhao HL, Guacucano M, Bueno S, Levican G, Garcia E, Jedlicki E, Holmes DS.

FEMS Microbiol Lett. 1999 Jun 15;175(2):223-9.


An immunological strategy To monitor In situ the phosphate starvation state in thiobacillus ferrooxidans

Varela P, Levican G, Rivera F, Jerez CA.

Appl Environ Microbiol. 1998 Dec;64(12):4990-3.

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