Romero Ormazabal Jaime

Profesor Asociado
Unidad Académica: 
(56) 229781524
Grado Académico: 
Doctor en Microbiología Facultad de Ciencias, Universidad de Chile
Áreas de Interés: 
Nuestro quehacer en investigación enfatiza la colaboración científica y tecnológica con otras entidades académicas y con entes privados. Aspiramos a estar alineados con las necesidades del país tanto en la formación de capital humano como en nuestros focos de investigación. Nos esforzamos en que el conocimiento generado en nuestras investigaciones y desarrollos sean  útiles para el país y tanto, para mejorar el bienestar social como para aportar capacidades en cuanto a su desempeño productivo.
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2017 Opazo R, Fuenzalida K, Plaza F, Romero J. Performance of Debaryomyces hansenii as a diet for rotifers for feeding zebrafish larvae. Zebrafish 2017; 14(2):187-194
2017 Gainza O, Romero J. Manano oligosacáridos como prebióticos en acuicultura de crustáceos. Latin Am J Aquat Res 2017; 45(2):246-260
2017 Ramírez C, Romero J. Fine flounder (Paralichthys adspersus) microbiome showed important differences between wild and reared specimens. Front Microbiol 2107; 8:271
2017 Salas-Leiva J, Opazo R, Remond C, Uribe E, Vélez A, Romero J. Characterization of the intestinal microbiota of wild-caught and farmed fine flounder (Paralichthys adspersus) Lat Am J Aquat Res. 2017; 45(2):370-378
2017 Opazo R, Valladares L, Romero J. Comparison of gene expression patterns of key growth genes between different rate growths in zebrafish (Danio rerio) siblings. Lat Am J Aquat Res. 2017 (In Press)
2017 Gainza O, Ramírez C, Salinas A, Romero J. Intestinal microbiota of white shrimp Penaeus vannamei under intensive cultivation conditions in Ecuador. Microb Ecol 2017 (In Press)
2016 Vargas-Bello E, Cancino-Padilla N, Romero J. Technical note: Use of internal transcribed spacer for ruminal yeast identification in dairy cows. Animal 2016 May 2:1-6
2016 Vargas-Bello E, Cancino-Padilla N, Romero J, Garnsworthy PC. Quantitative analysis of ruminal bacterial populations involved in lipid metabolism in dairy cows fed different vegetable oils. Animal 2016; 10(11):1821-1828
2016 Jara C, Laurie VF, Mas A, Romero J. Microbial terroir in Chilean valleys: Diversity of non-conventional yeast. Front Microbiol 2016 May 17; 7:663
2016 Ringo E, Zhou RZ, Vecino JLG, Wadsworth S, Romero J, Krogdahl A, Olsen RE, Dimitroglou A, Foey A, Davies SM, Owen M, Lauzon HL, Martinsen LL, De Schryver P, Bossier P, Sperstad S, Merrifield DL. Effect of dietary components on the gut microbiota of aquatic animals. A never-ending story? Aquacult Nutr 2016; 22(2):219-282
2016 Opazo R, Gajardo F, Ruiz M, Romero J. Genome sequence of Lactococcus lactis strain isolated from Salmonid intestinal microbiota. Genome Announc. 2016; 4(4):e00881-16
2016 Rojas R, Miranda C, Santander J, Romero J. First report of Vibrio tubiashii associated with a massive larval mortality event in a commercial hatchery of Scallop Argopecten purpuratus in Chile. Front Microbiol 2016; 7:1473
2015 Rojas R, Miranda C, Opazo R, Romero J. Characterization and pathogenicity of Vibrio splendidus strains associated with massive mortalities of commercial hatchery-reared larvae of scallop Argopecten purpuratus (Lamarck, 1819). J Invertebrate Pathol 2015; 124:61-69
2015 Papić L, García K, Romero J. Avances y limitaciones en el uso de los dsRNA como estrategias de control y prevención de enfermedades virales en sistemas acuícolas ( Progress and limitations of dsRNA strategies in the control of viral diseases in aquaculture). Latin Am J Aquat Res 2015; 43(3):388-401
2015 García K, Ramírez-Araya S, Díaz A, Reyes-Cerpa S, Espejo RT, Higuera G, Romero J. Inactivated E. coli transformed with plasmids that produce dsRNA against infectious salmon anemia virus hemagglutinin show antiviral activity when added to infected ASK cells. Front Microbiol 2015; April 16; 6:300
2015 Jara C, Romero J. Genome sequences of three Oenococcus oeni strains isolated from Maipo Valley, Chile Genome Announc 2015 Jul-Aug; 3(4): e00866-15
2015 Rojas R, Miranda C, Romero J, Asenjo F, Valderrama K, Segovia K, Ugalde JA, Santander J. Genome Sequence of Vibrio VPAP30, Isolated from an Episode of Massive Mortality of Reared Larvae of the Scallop Argopecten purpuratus. Genome Announc 2015; 3(4):00745-15
2015 Yáñez R, Bastías R, Higuera G, Salgado O, Katharios P, Romero J, Espejo R, García K. Amplification of tlh gene in other Vibrionaceae specie by specie-specific multiplex PCR of Vibrio parahaemolyticus. Electron J Biotechnol 2015; 18:459-463
2015 Higuera G, González-Escalona N, Véliz C, Vera F, Romero J. Draft Genome Sequences of Four Xanthomonas arboricola pv. juglandis Strains Associated with Walnut Blight in Chile. Genome Announc. 2015 Oct 8; 3(5): e01160-15
2015 Miranda C, Rojas R, Geisse J, Romero J, González-Rocha G. Scallop larvae hatcheries as source of bacteria carrying genes encoding for non-enzymatic phenicol resistance. Mar Pollut Bull 2015; 95:173-182
2015 Jara C, Rojas A, Romero J. A simple molecular method for monitoring co-inoculated yeast during wine fermentation. Ann Microbiol 2015; 65(2):1149-1152
2014 Fuentes-Appelgren P, Opazo R, Barros L, Feijoó CG, Urzúa V, Romero J. Effect of the dietary inclusion of soybean components on the innate immune system in Zebrafish. Zebrafish 2014; 11(1):41-49
2014 Trabal F N, Mazón-Suástegui JM, Vázquez-Juárez R, Ascencio-Valle F, Romero J. Changes in the composition and diversity of the bacterial microbiota associated with oysters (Crassostrea corteziensis, Crassostrea gigas and Crassostrea sikamea) during commercial production. FEMS Microbiol Ecol 2014;88(1):69-83
2014 Ilabaca C, Jara C, Romero J. The rapid identification of lactic acid bacteria present in Chilean winemaking processes using culture-independent analysis. Ann Microbiol 2014; 64(4):1857-1859
2014 Ringo E, Olsen RE, Jensen I, Romero J, Lauzon HL. Application of vaccines and dietary supplements in aquaculture: possibilities and challenges. Rev Fish Biol Fisheries 2014; 24:1005-1032
2014 Díaz A, García K, Navarrete A, Higuera G, Romero J. Virtual screening of gene expression regulatory sites in non-coding regions of the infectious salmon anemia virus. BMC Res Notes 2014; 7:477
2014 Romero J, Higuera G, Gajardo F, Castillo D, Middleboe M, García K, Ramírez C, Espejo RT. Complete genome sequence of Vibrio anguillarumphage CHOED successfully used for phage therapy in aquaculture. Genome Announc 2014; 2(4):e00091-14
2013 Hidalgo C, Garcia D, Romero J, Mas A, Torija MJ, Mateo E. Acetobacter strains isolated during the acetification of blueberry (Vaccinium corymbosum L.) wine. Lett Appl Microbiol. 57:227-232
2013 Abid A, Davies SJ, Waines P, Emery M, Castex M, Gioacchini G, Carnevali O, Bickerdike R, Romero J, Merrifield DL. Dietary synbiotic application modulates Atlantic salmon (Salmo salar) intestinal microbial communities and intestinal immunity. Fish Shellfish Immunol 2013; 35(6):1948-1956
2013 Aguilera E, Yany G, Romero J. Cultivable intestinal microbiota of yellowtail juveniles (Seriola lalandi) in an aquaculture system. Lat Am J Aquat Res 2013; 41:395-403
2013 Higuera G, Bastías R, Tsertsvadzeb G, Romero J, Espejo R. Recently discovered Vibrio anguillarum phages can protect against experimentally induced vibriosis in Atlantic salmon, Salmo salar. Aquaculture 2013; 392-395:128-133
2013 Navarrete P, Fuentes P, de la Fuente L, Barros L, Magne F, Opazo R, Ibacache C, Espejo RT, Romero J. Short-term effects of dietary soybean meal and lactic acid bacteria on the intestinal morphology and microbiota of Atlantic salmon (Salmo salar). Aquacult Nutr 2013; 19:827-836
2013 Hedrera MI, Galdames JA, Jimenez-Reyes F, Reyes AE, Avendaño-Herrera R, Romero J, Feijóo CG. Soybean meal induces intestinal inflammation in zebrafish larvae. PLoS One 2013; 8(7):e69983
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; 64(2):555-569
2012 Barros-Becker F, Romero J, Pulgar A, Feijóo CG. Persistent oxytetracycline exposure induces an inflammatory process that improves regenerative capacity in zebrafish larvae. PloS One 2012;7(5):e36827
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 Opazo R, Ortúzar F,Navarrete P, Espejo R, Romero J. Reduction of oybean meal non-starch polysaccharides and α-galactosides by solid-state fermentation using cellulolytic bacteria obtained from different environments. Plos One 2012; 7(9):e44783
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, 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 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 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
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
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
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
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
2014 Romero J, Ringo E, Merrified DL. The gut microbiota of fish. In: Merrified DL, Ringo E., editors. Aquaculture nutrition: Gut health, probiotics and prebiotics. Hoboken, NJ: Wiley-Blackwell; 2014, p.75
2014 Zhou Z, Yao B, Romero J, Waines P, Ringo E, Emery M, Merrified DL. Methodological approaches used to assess fish gastrointestinal communities. In:Merrified DL, Ringo E., editors. Aquaculture nutrition: Gut health, probiotics and prebiotics. Hoboken, NJ: Wiley-Blackwell; 2014, p.101
2013 Romero J,Nelson K. Marine Vertebrate Animal Metagenomics Encyclopedia of Metagenomics: SpringerReference ( Springer-Verlag Berlin Heidelberg, 2013. DOI: 10.1007/SpringerReference_303261
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
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