Bioquímico Doctor en Microbiología Facultad de Ciencias, Universidad de Chile
Prof. Asociado
Ecología de bacterias marinas patógenas importantes en alimentos Microflora bacteriana de salmones
2012
Navarrete P, Magne F, Araneda C, Fuentes P, Barros L, Opazo R, Espejo R, Romero J. PCR-TTGE analysis of 16S rRNA from rainbow trout (Oncorhynchus mykiss) gut microbiota reveals host-specific communities of active bacteria. PLoS One 2012;7(2):e31335
2012
Trabal N, Mazón-Suástegui JM, Vázquez-Juárez R, Asencio-Valle F, Morales-Bojórquez E, Romero J.
Molecular analysis of bacterial microbiota associated with Oysters (Crassostrea gigas and Crassostrea corteziensis) in different growth phases at two cultivation sites.
Microb Ecol 2012 Mar 27 (In Press)
2010
Navarrete P, Magne F, Mardones P, Riveros M, Opazo R, Suau A, Pochart P, Romero J.
Molecular analysis of intestinal microbiota of rainbow trout (Oncorhynchus mykiss).
FEMS Microbiol Ecol 2010; 71(1):148-156
2010
Brignardello J, Morales P, Diaz E, Romero J, Brunser O, Gotteland M. Pilot study: Alterations of intestinal microbiota in obese are not associated with colonic inflammation or disturbances of barrier function. Aliment Pharmacol Ther 2010; 32: 1307-1314
2010
Navarrete P, Toledo I, Mardones P, Opazo R, Espejo RT, Romero J. Effect of Thymus vulgaris essential oil on intestinal bacterial microbiota of rainbow trout, Oncorhynchus mykiss (Walbaum) and bacterial isolates. Aquacult Res 2010; 41:e667-e678
2009
Navarrete P, Espejo RT, Romero J.
Molecular analysis of microbiota along the digestive tract of juvenile Atlantic Salmon (Salmo salar L.).
Microb Ecol 2009; 57(3):550-561
2009
Harth E, Matsuda L, Hernández C, Rioseco ML, Romero J, González-Escalona N, Martínez-Urtaza J, Espejo RT.
Epidemiology of Vibrio parahaemolyticus outbreaks, southern Chile.
Emerg Infect Dis 2009; 15(2):163-168
2009
García K, Torres R, Uribe P, Hernández C, Rioseco ML, Romero J, Espejo RT.
Dynamic of clinical and environmental Vibrio parahaemolyticus during seafood-related summer diarrhea outbreaks in southern Chile.
Appl Environ Microbiol 2009; 75(23):7482-7487
2008
Ilabaca C, Navarrete P, Mardones P, Romero J, Mas A.
Application of culture culture-independent molecular biology based methods to evaluate acetic acid bacteria diversity during vinegar processing.
Int J Food Microbiol 2008; 126 (1-2):245-249
2008
Navarrete P, Mardones P, Opazo R, Espejo R, Romero J.
Oxytetracycline treatment reduces bacterial diversity of intestinal microbiota of Atlantic salmon.
J Aquat Anim Health 2008; 20(3):177-183
2008
González-Escalona N, Martínez-Urtaza J, Romero J, Espejo RT, Jaykus LA, DePaola A.
Determination of molecular phylogenetics of Vibrio parahaemolyticus strains by multilocus sequence typing.
J Bacteriol 2008; 190(8):2831-2840
2007
Harth E, Romero J, Torres R, Espejo RT.
Intragenomic heterogeneity and intergenomic recombination among Vibrio parahaemolyticus 16S rRNA genes.
Microbiology 2007; 153(Pt 8):2640-2647
2007
Prieto C, Jara C, Mas A, Romero J.
Application of molecular methods for analysing the distribution and diversity of acetic acid bacteria in Chilean vineyards.
Int J Food Microbiol 2007; 115(3):348-355
2006
González-Escalaona N, Romero J, Guzmán CA, Espejo RT.
Variation in the 16S-23S rRNA intergenic spacer regions in Vibrio parahaemolyticus strains are due to indels nearby their tRNAGlu.
FEMS Microbiol Lett 2006; 256:38-43
2006
Fuenzalida L, Hernández C, Toro J, Romero J, Espejo RT.
Vibrio parahaemolyticus in shellfish and clinical samples during two large epidemics of diarrhea in Southern Chile.
Environ Microbiol 2006; 8:675-683
2006
Romero J, Navarrete P.
16S rDNA-Based Analysis of Dominant Bacterial Populations Associated with Early Life Stages of Coho Salmon (Oncorhynchus kisutch).
Microb Ecol 2006; 51:422-430
2005
Cabello A, Espejo RT, Romero J.
Tracing Vibrio parahaemolyticus in oysters (Tiostrea chilensis) using a Green Fluorescent Protein tag.
J Exp Marine Biol Ecol 2005; 327:157-166
2005
Gonzalez-Escalona N, Romero J, Espejo RT.
Polymorphism and gene conversion of the 16S rRNA genes in the multiple rRNA operons of Vibrio parahaemolyticus.
FEMS Microbiol Lett 2005; 246(2):213-219
2005
Gonzalez-Escalona N, Cachicas V, Acevedo C, Rioseco ML, Vergara JA, Cabello F, Romero J, Espejo RT.
Vibrio parahaemolyticus diarrhea, Chile, 1998 and 2004.
Emerg Infect Dis 2005; 11(1):129-131
2003
Romero J, Yanez C, Vasquez M, Moore RB, Espejo R.
Characterization and identification of an iron-oxidizing Leptospirullum-like bacterium, present in the high sulfate leaching solution of a commercial bioleaching plant.
Res Microbiol 2003; 143:353-359
2003
Gonzalez N, Romero J, Espejo RT.
Comprehensive detection of bacterial populations by PCR amplification of the 16S-23S rRNA spacer region.
J Microbiol Methods 2003; 55(1):91-97
2002
Romero J, Gonzalez N, Espejo RT.
A marine pseudoalteromonas sp. composes most of the bacterial population developed in oysters (Tiostrea chilensis) spoiled during storage.
J Food Sci 2002; 67(6):2300-2303
2002
Moreno C, Romero J, Espejo RT.
Polymorphism in repeated 16S rRNA genes is a common property of type strains and environmental isolates of the genus Vibrio.
Microbiology 2002; 148:1233-1239
2002
Romero J, Garcia-Varela M, Laclette JP, Espejo RT.
Bacterial 16S rRNA gene analysis revealed that bacterial related to Arcobacter spp. constitute an abundant and common component of the oyster microflora (Tiostrea chilensis).
Microb Ecol 2002; 44:365-371
2001
Romero J, Espejo RT.
The prevalence of non- cultivable bacteria in oysters (Tiostrea chilensis, philippi 1845).
J Shellfish Res 2001; 20:1235-1240
1998
Espejo RT, Feijoo CG, Romero J, Vasquez M.
PAGE analysis of the heteroduplexes formed between PCR amplified 16S Ribosomal RNA genes: estimation of sequence similarity and rDNA complexity.
Microbiology 1998; 144:1611-1617
1997
Espejo RT, Romero J.
Bacterial community in copper sulfide ores inoculated and leached with solution from a commercial-scale copper leaching plant.
Appl Environ Microbiol 1997; 63:1344-1348
1997
Blanco LP, Toro CS, Romero J, Santiviago CA, Mora GC.
Salmonella typhi Ty2 Omp C porin induces bactericidal activity on U937 macrophages.
Microbiol Inmunol 1997; 41(12):999-1003
1996
Pizarro J, Jedlicki E, Orellana O, Romero J, Espejo RT.
Bacterial population in samples of bioleached copper ore as revealed by analysis of DNA obtained before and after cultivation.
Appl Environ Microbiol 1996; 62:1323-1328
2004
Acevedo C, Romero J, Espejo R.
Actividad de distintas presentaciones comerciales de Saccharomyces boulardii (Camparative activity of different commercial products containing Saccharomyces boulardii).
Rev Chil Nutr 2004; 31(1):33-38
2012
Romero J, Navarrete P, Feijoo C. Antibiotics in aquaculture: Use, abuse and alternatives. In: Carvalho ED, Silva G, Silva RJ., editors. Health and environment in aquaculture.
Rijeka, Croacia: InTech Publishing Group; 2012
2010
González-Escalona N, Moreno CX, Romero J, Espejo RT. Vibrio parahaemolyticus strain ATCC 17802 contains two transcriptionally active 16S rRNA genes and neither degrades preferentially in starvation. In: Méndez-Vilas A., editor. Current Research, Technology and Education Topics in Applied Microbiology and Microbial Biotechnology. Badajoz, España:Formatex Research Center; 2010 (Microbiology Series;2, Vol. 1:754-757
1995
Espejo RT, Pizarro J, Jedliki E, Orellana O, Romero J.
Bacterial populations in the bioleaching of copper as revealed by analysis of DNA obtained from leached ores and leaching solutions.
In: Jerez CA, Vargas T, Toledo H, Wiertz JV., editors. Biohyhrometallurgical Processing. Santiago:University of Chile Press; 1995. v.II, p.1-8