Mi 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 nuestras líneas de investigación como en la formación de capital humano avanzado. Nos esforzamos en que el conocimiento generado en nuestras investigaciones constituyan desarrollos útiles para el país, permitiendo así aportar capacidades para un mejor desempeño productivo.
Grado Académico
- Doctor en Microbiología, Facultad de Ciencias, Universidad de Chile, 2002.
- Bioquímico, P. Universidad Católica de Valparaíso, 1994
Unidad Académica
Alimentos
Laboratorio
Áreas de interés
| 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 (www.springerreference.com). 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 |
| 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; 45(4):766-775 |
| 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) |
| 2017 | Ramírez C, Romero J. The microbiome of Seriola lalandi of wild and aquaculture Origin reveals differences in composition and potential function. Front Microbiol 2017; 8:1844 |
| 2017 | Villasante A, Ramirez C, Catalán N, Romero J. First report of swim bladder-associated microbiota in rainbow trout (Oncorhynchus mykiss). Microbes Environ. 2017 Oct 14 (In Press) |
| 2017 | Jiménez-Reyes MF, Yany G, Romero J. Protocolo para obtención de alevines axénicos de trucha arcoíris (Oncorhynchus mykiss) (Protocol for obtaining rainbow trout (Oncorhynchus mykiss) axenic fingerlings). Lat Am J Aquat Res. 2017: 45:1064-1069 |
| 2017 | Catalán N, Villasante A, Wacyk J, Ramírez C, Romero J. Fermented soybean meal increases lactic acid bacteria in gut microbiota of Atlantic salmon (Salmo salar) Probiotics and Antimicrobial Proteins 2017 (In Press) |
| 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 |
| 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 | 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |