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• 2001

  In vitro activity of rifaximin against bacterial enteropathogens causing diarrhoea in children under 5 years of age in Ifakara, Tanzania [9]

  Sierra, J. M., Navia, M. M., Vargas, M., Urassa, H., Schellemberg, D., Gascón, J., Vila, J. & Ruiz, J., 2001, In: Journal of Antimicrobial Chemotherapy. 47, 6, p. 904-905 2 p.

  Research output: Contribution to journal › Letter › peer-review

  20 Scopus citations

• In vitro activity of rifaximin against enteropathogens producing traveler's diarrhea [2]

  Sierra, J. M., Ruiz, J., Navia, M. M., Vargas, M., Gascon, J. & Vila, J., 2001, In: Antimicrobial Agents and Chemotherapy. 45, 2, p. 643-644 2 p.

  Research output: Contribution to journal › Letter › peer-review
  41 Scopus citations

• Nesting sites and nest types as important factors for the conservation of Humboldt penguins (Sphensicus humboldti)

  Paredes, R. & Zavalaga, C. B., 2001, In: Biological Conservation. 100, 2, p. 199-205 7 p.

  Research output: Contribution to journal › Article › peer-review
  24 Scopus citations

• Susceptibility patterns of enteroaggregative Escherichia coli associated with traveller's diarrhoea: Emergence of quinolone resistance

  Vila, J., Vargas, M., Ruiz, J., Espasa, M., Pujol, M., Corachán, M., Jiménez De Anta, M. T. & Gascón, J., 2001, In: Journal of Medical Microbiology. 50, 11, p. 996-1000 5 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access
  37 Scopus citations
• 2000

  Cultivo experimental de Octopus mimus, Gould 1852 en el Per

  Translated title of the contribution: Experimental culture 01 Octopus mimus, Gould 1852 in PeruBaltazar, P., Rodríguez, P., Rivera, W. & Valdivieso, V., 2000, In: Revista Peruana de Biologia. 7, 2, p. 151-160 10 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access
  17 Scopus citations

• Decreased permeability and enhanced proton-dependent active efflux in the development of resistance to quinolones in Morganella morganii

  Del Mar Tavío, M., Vila, J., Ruiz, J., Manuel Martín Sánchez, A. & Teresa Jiménez De Anta, M., Mar 2000, In: International Journal of Antimicrobial Agents. 14, 2, p. 157-160 4 p.

  Research output: Contribution to journal › Article › peer-review
  13 Scopus citations

• Erratum: Analysis of the mechanisms of quinolone resistance in clinical isolates of Citrobacter freundii (Journal of Antimicrobial Chemotherapy (1999) 44 (743-748))

  Navia, M. M., Ruiz, J., Ribera, A., Jimenez de Anta, M. T. & Vila, J., 2000, In: Journal of Antimicrobial Chemotherapy. 45, 4, p. 556 1 p.

  Research output: Contribution to journal › Comment/debate

  Open Access

• In vitro selected fluoroquinolone-resistant mutants of Citrobacter freundii: Analysis of the quinolone resistance acquisition

  Del Mar Tavío, M., Vila, J., Ruiz, J., Amicosante, G., Franceschini, N., Martín-Sánchez, A. M. & Jiménez De Anta, M. T., 2000, In: Journal of Antimicrobial Chemotherapy. 45, 4, p. 521-524 4 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access
  12 Scopus citations

• Prevalence of two different genes encoding NorA in 23 clinical strains of Staphylococcus aureus [1]

  Sierra, J. M., Ruiz, J., Jimenez De Anta, M. T. & Vila, J., 2000, In: Journal of Antimicrobial Chemotherapy. 46, 1, p. 145-146 2 p.

  Research output: Contribution to journal › Letter › peer-review

  14 Scopus citations

• Quinolone resistance in enterotoxigenic Escherichia coli causing diarrhea in travelers to India in comparison with other geographical areas

  Vila, J., Vargas, M., Ruiz, J., Corachan, M., De Anta, M. T. J. & Gascon, J., 2000, In: Antimicrobial Agents and Chemotherapy. 44, 6, p. 1731-1733 3 p.

  Research output: Contribution to journal › Article › peer-review
  51 Scopus citations

• Resolution of high-molecular-weight components in lipopolysaccharides of Escherichia coli, Morganella morganii, Citrobacter freundii and Citrobacter diversus strains with sodium dodecyl sulfate polyacrylamide gels

  Del Mar Tavío, M., Vila, J., Ruiz, J., Ruiz, J., Martín-Sánchez, A. M. & Jiménez De Anta, M. T., Jan 2000, In: Journal of Microbiological Methods. 39, 2, p. 145-148 4 p.

  Research output: Contribution to journal › Article › peer-review
  2 Scopus citations
• 1999

  Analysis of the mechanisms of quinolone resistance in clinical isolates of Citrobacter freundii

  Navia, M. M., Ruiz, J., Ribera, A., Jiménez De Anta, M. T. & Vila, J., 1999, In: Journal of Antimicrobial Chemotherapy. 44, 6, p. 743-748 6 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access
  28 Scopus citations

• Cultivo de la ostra crassostrea gigas (thunberg, 1795) en un vivero artesanal, la arena, casma

  Translated title of the contribution: The oyster crassostrea gigas (thunberg, 1795) culture in an artisanal breeding pond, la arena, casmaBaltazar, P., Bermúdez, P. & Rivera, W., 1999, In: Revista Peruana de Biologia. 6, 2, p. 123-130 8 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access
  2 Scopus citations

• Decreased production of AmpC-type β-lactamases associated with the development of resistance to quinolones in Citrobacter freundii strains

  Pérez, M. M. T., Amicosante, G., Franceschini, N., Vila, J., Ruiz, J., Oratore, A., Martín-Sánchez, A. M. & De Anta, M. T. J., 1999, In: Microbial Drug Resistance. 5, 4, p. 235-240 6 p.

  Research output: Contribution to journal › Article › peer-review
  4 Scopus citations

• Establishment and growth of seedlings of Eucalyptus obliqua: Interactive effects of litter, water, and pathogens

  Facelli, J. M., Williams, R., Fricker, S. & Ladd, B., Oct 1999, In: Austral Ecology. 24, 5, p. 484-494 11 p.

  Research output: Contribution to journal › Article › peer-review
  63 Scopus citations

• Foraging behaviour and diet of the guanay cormorant

  Zavalaga, C. B. & Paredes, R., 1999, In: South African Journal of Marine Science. 21, p. 251-258 8 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access
  15 Scopus citations

• Impacto de "el niño 1997-98" sobre el asentamiento larval de algunos invertebrados marinos bentónicos de bahía independencia, pisco -Perú

  Translated title of the contribution: Impact of "el niño 1997-98" on larval settlement of some benthic marine invertebrates of independencia bay, pisco-PeruRamos, E., Indacochea, A. & Tarazona, J., 1999, In: Revista Peruana de Biologia. 6, 3, p. 60-68 9 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access
  2 Scopus citations

• Impacto de "el niño 1997-98" sobre el ecosistema marino somero de la costa central del Perú

  Translated title of the contribution: Impact of "el niño 1997-98" on shallow marine ecosystem of the peruvian central coastTarazona, J., Indacochea, A., Valle, S., Córdova, C., Ochoa, N., Serrano, W. & Peña, T., 1999, In: Revista Peruana de Biologia. 6, 3, p. 18-31 14 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access
  5 Scopus citations

• Increase in incidence of resistance to ampicillin. Chloramphenicol and trimethoprim in clinical isolates of Salmonella serotype Typhimurium with investigation of molecular epidemiology and mechanisms of resistance

  Gallardo, F., Ruiz, J., Marco, F., Towner, K. J. & Vila, J., 1999, In: Journal of Medical Microbiology. 48, 4, p. 367-374 8 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access
  60 Scopus citations

• Increase in quinolone resistance in a Haemophilus influenzae strain isolated from a patient with recurrent respiratory infections treated with ofloxacin

  Vila, J., Ruiz, J., Sanchez, F., Navarro, F., Mirelis, B., Jimenez De Anta, M. T. & Prats, G., 1999, In: Antimicrobial Agents and Chemotherapy. 43, 1, p. 161-162 2 p.

  Research output: Contribution to journal › Article › peer-review
  50 Scopus citations

• Mechanisms involved in the development of resistance to fluoroquinolones in Escherichia coli isolates

  Del Mar Tavío, M., Vila, J., Ruiz, J., Ruiz, J., Martín-Sánchez, A. M. & Jiménez De Anta, M. T., 1999, In: Journal of Antimicrobial Chemotherapy. 44, 6, p. 735-742 8 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access
  88 Scopus citations

• Mechanisms of resistance to ampicillin, chloramphenicol and quinolones in multiresistant Salmonella typhimurium strains isolated from fish

  Ruiz, J., Capitano, L., Nuñez, L., Castro, D., Sierra, J. M., Hatha, M., Borrego, J. J. & Vila, J., 1999, In: Journal of Antimicrobial Chemotherapy. 43, 5, p. 699-702 4 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access
  22 Scopus citations

• Spread of amikacin resistance in Acinetobacter baumannii strains isolated in Spain due to an epidemic strain

  Vila, J., Ruiz, J., Navia, M., Becerril, B., Garcia, I., Perea, S., Lopez-Hernandez, I., Alamo, I., Ballester, F., Planes, A. M., Martinez-Beltran, J. & De Anta, T. J., 1999, In: Journal of Clinical Microbiology. 37, 3, p. 758-761 4 p.

  Research output: Contribution to journal › Article › peer-review
  65 Scopus citations

• Typing and characterization of mechanisms of resistance of Shigella spp. isolated from feces of children under 5 years of age from Ifakara, Tanzania

  Navia, M. M., Capitano, L., Ruiz, J., Vargas, M., Urassa, H., Schellemberg, D., Gascon, J. & Vila, J., 1999, In: Journal of Clinical Microbiology. 37, 10, p. 3113-3117 5 p.

  Research output: Contribution to journal › Article › peer-review
  111 Scopus citations
• 1998

  Campylobacter jejuni as a cause of traveler's diarrhea: Clinical features and antimicrobial susceptibility

  Gallardo, F., Gascón, J., Ruiz, J., Corachan, M., Jimenez De Anta, M. T. & Vila, J., Mar 1998, In: Journal of Travel Medicine. 5, 1, p. 23-26 4 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access
  30 Scopus citations

• Increased resistance to quinolones in Campylobacter jejuni: A genetic analysis of gyrA gene mutations in quinolone-resistant clinical isolates

  Ruiz, J., Goñi, P., Marco, F., Gallardo, F., Mirelis, B., Jimenez De Anta, T. & Vila, J., 1998, In: Microbiology and Immunology. 42, 3, p. 223-226 4 p.

  Research output: Contribution to journal › Article › peer-review
  94 Scopus citations
• 1997

  Analysis of the mechanism of quinolone resistance in nalidixic acid- resistant clinical isolates of Salmonella serotype Typhimurium

  Ruiz, J., Castro, D., Goñi, P., Santamaria, J. A., Borrego, J. J. & Vila, J., 1997, In: Journal of Medical Microbiology. 46, 7, p. 623-628 6 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access
  57 Scopus citations

• Cloning and nucleotide sequence analysis of a gene encoding an OXA- derived β-lactamase in Acinetobacter baumannii

  Vila, J., Navia, M., Ruiz, J. & Casals, C., Dec 1997, In: Antimicrobial Agents and Chemotherapy. 41, 12, p. 2757-2759 3 p.

  Research output: Contribution to journal › Comment/debate
  59 Scopus citations

• Determinación del sexo en adultos de Spheniscus Humboldti utilizando características morfométricas

  Translated title of the contribution: Sex determination of adult Humboldt Penguins using morphometric charactersZavalaga, C. B. & Paredes, R., 1997, In: Journal of Field Ornithology. 68, 1, p. 102-112 11 p.

  Research output: Contribution to journal › Article › peer-review

  50 Scopus citations

• Isolation of verotoxin-producing Escherichia coli O-rough:K1:H7 from two patients with traveler's diarrhea

  Vila, J., Vargas, M., Ruiz, J., Gallardo, F., De Anta, M. T. J. & Gascón, J., Sep 1997, In: Journal of Clinical Microbiology. 35, 9, p. 2279-2282 4 p.

  Research output: Contribution to journal › Article › peer-review
  8 Scopus citations

• Maximum dive depths of the Peruvian Diving-petrel

  Zavalaga, C. B. & Jahncke, J., 1997, In: Condor. 99, 4, p. 1002-1004 3 p.

  Research output: Contribution to journal › Article › peer-review
  22 Scopus citations

• Mecanismo de resistencia a quinolonas en cepas de Salmonella typhimurium

  Translated title of the contribution: Quinolone resistance mechanism in Salmonella typhimurium strainsCastro, D., Ruiz, J., Santamaría, J. A., Vila, J. & Borrego, J. J., 1997, In: Ars Pharmaceutica. 38, 1, p. 63-69 7 p.

  Research output: Contribution to journal › Article › peer-review

  1 Scopus citations

• Mortality of dolphins and porpoises in coastal fisheries off Peru and southern Ecuador in 1994

  Van Waerebeek, K., Van Bressem, M. F., Félix, F., Alfaro-Shigueto, J., García-Godos, A., Chávez-Lisambart, L., Ontón, K., Montes, D. & Bello, R., Jul 1997, In: Biological Conservation. 81, 1-2, p. 43-49 7 p.

  Research output: Contribution to journal › Article › peer-review
  50 Scopus citations

• Quinolone-resistance mutations in the topoisomerase IV parC gene of Acinetobacter baumannii

  Vila, J., Ruiz, J., Goñi, P. & De Anta, T. J., 1997, In: Journal of Antimicrobial Chemotherapy. 39, 6, p. 757-762 6 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access
  150 Scopus citations

• The region of the parE gene, homologous to the quinolone-resistant determining region of the gyrB gene, is not linked with the acquisition of quinolone resistance in Escherichia coli clinical isolates [3]

  Ruiz, J., Casellas, S., Jimenez de Anta, M. T. & Vila, J., 1997, In: Journal of Antimicrobial Chemotherapy. 39, 6, p. 839-840 2 p.

  Research output: Contribution to journal › Letter › peer-review

  Open Access
  29 Scopus citations
• 1996

  Deteccion de la resistencia a las quinolonas producida por mutaciones en la Ser-83 de la DNA-girasa mediante PCR y RFLP con HinfI en Escherichia coli

  Translated title of the contribution: Detection of quinolone resistance due to mutations in the Ser-83 of the DNA-gyrase by PCR and RFLP with HinfI in clinical isolates of Escherichia coliRuiz, J., Goni, P., Marco, F., Jimenez De Anta, T. & Vila, J., 1996, In: Revista Espanola de Quimioterapia. 9, 3, p. 206-210 5 p.

  Research output: Contribution to journal › Article › peer-review

  1 Scopus citations

• Detection of mutations in parC in quinolone-resistant clinical isolates of Escherichia coli

  Vila, J., Ruiz, J., Goñi, P. & Jimenez De Anta, M. T., Feb 1996, In: Antimicrobial Agents and Chemotherapy. 40, 2, p. 491-493 3 p.

  Research output: Contribution to journal › Article › peer-review
  190 Scopus citations

• Germination requirements and responses to leaf litter of four species of eucalypt

  Facelli, J. M. & Ladd, B., Sep 1996, In: Oecologia. 107, 4, p. 441-445 5 p.

  Research output: Contribution to journal › Article › peer-review
  37 Scopus citations
• 1995

  High frequency of mutations at codon 83 of the gyra gene of quinolone-resistant clinical isolates of escherichia coti

  Ruiz, J., Marco, F., Goñi, P., Gallardo, F., Mensa, J., Trilla, A., Jimenez De Anta, T. & Vila, J., Oct 1995, In: Journal of Antimicrobial Chemotherapy. 36, 4, p. 737-738 2 p.

  Research output: Contribution to journal › Letter › peer-review
  15 Scopus citations

• Mutation in the gyrA gene of quinolone-resistant clinical isolates of Acinetobacter baumannii

  Vila, J., Ruiz, J., Goni, P., Marcos, A. & De Anta, T. J., 1995, In: Antimicrobial Agents and Chemotherapy. 39, 5, p. 1201-1203 3 p.

  Research output: Contribution to journal › Article › peer-review
  155 Scopus citations
• 1994

  Association between double mutation in gyrA gene of ciprofloxacin- resistant clinical isolates of Escherichia coli and MICs

  Vila, J., Ruiz, J., Marco, F., Barcelo, A., Goni, P., Giralt, E. & De Anta, T. J., 1994, In: Antimicrobial Agents and Chemotherapy. 38, 10, p. 2477-2479 3 p.

  Research output: Contribution to journal › Comment/debate
  185 Scopus citations
• 1990

  The metazoan parasites of Stellifer minor (Tschudi, 1844): an ecological approach.

  Oliva, M. E., Luque, J. L. & Iannacone, J. A., 1990, In: Memórias do Instituto Oswaldo Cruz. 85, 3, p. 271-274 4 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access
  14 Scopus citations
• 1989

  Pseudohaliotrema paralonchuri sp. n. (Monogenoidea: Dactylogyridae), parasitic on Paralonchurus peruanus (Steindachner) (Teleostei: Sciaenidae) from the Peruvian coast.

  Luque, J. L. & Iannacone, J., 1989, In: Memórias do Instituto Oswaldo Cruz. 84, 4, p. 545-547 3 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access
  4 Scopus citations