Universidad Científica del Sur

2003

Dispersión intercontinental de una cepa de Shigella flexneri resistente a trimetoprima

Translated title of the contribution: Intercontinental spread of a trimethoprim-resistant strain of Shigella flexneriNavia, M. M., Ruiz, J. & Vila, J., Oct 2003, In: Enfermedades Infecciosas y Microbiologia Clinica. 21, 8, p. 401-403 3 p.

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

7 Scopus citations

Distintos mecanismos de resistencia asociados a integrones en aislamientos clínicos de Salmonella typhimurium

Translated title of the contribution: Different antibiotic resistance mechanisms associated with integrons in clinical isolates of Salmonella typhimuriumGallardo, F., Ruiz, J., Soto, S. M., Jiménez De Anta, M. T. & Vila, J., Dec 2003, In: Revista Espanola de Quimioterapia. 16, 4, p. 398-402 5 p.

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

9 Scopus citations

Ecotoxicidad del mercurio, cadmio y plomo sobre renacuajos de la rana de Junín Batrachophrynus macrostomus Peters 1873 (Anura: Leptodactylidae)

Translated title of the contribution: Ecotoxicity of mercury, cadmium and lead on Lake Junin Giant Frog Batrachophrynus macrostomus Peters 1873 (Anura: Leptodactylidae) tadpolesIannacone, J. A. & Manyari, G., Jul 2003, In: Revista Brasileira de Toxicologia. 16, 1, p. 15-20 6 p.

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

1 Scopus citations

Integron-mediated antibiotic multiresistance in Acinetobacter baumannii clinical isolates from Spain

Ruiz, J., Navia, M. M., Casals, C., Sierra, J. M., De Anta Jiménez, M. T. & Vila, J., 1 Sep 2003, In: Clinical Microbiology and Infection. 9, 9, p. 907-911 5 p.

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

Open Access

29 Scopus citations

In vitro activity of gemifloxacin against clinical isolates of Neisseria gonorrhoeae with and without mutations in the gyrA gene

Ruiz, J., Marco, F., Sierra, J. M., Aguilar, L., Garcia-Mendez, E., Mensa, J., Jiménez De Anta, M. T. & Vila, J., 1 Jul 2003, In: International Journal of Antimicrobial Agents. 22, 1, p. 73-76 4 p.

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

10 Scopus citations

In vitro fluoroquinolone-resistant mutants of Salmonella enterica serotype Enteritidis: Analysis of mechanisms involved in resistance

Soto, S. M., Ruíz, J., Mendoza, M. C. & Vila, J., Nov 2003, In: International Journal of Antimicrobial Agents. 22, 5, p. 537-540 4 p.

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

26 Scopus citations

Partial characterization of a transposon containing the tet(A) determinant in a clinical isolate of Acinetobacter baumannii

Ribera, A., Roca, I., Ruiz, J., Gibert, I. & Vila, J., 1 Sep 2003, In: Journal of Antimicrobial Chemotherapy. 52, 3, p. 477-480 4 p.

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

Open Access

54 Scopus citations

Presence of the tet M determinant in a clinical isolate of Acinetobacter baumannii

Ribera, A., Ruiz, J. & Vila, J., 1 Jul 2003, In: Antimicrobial Agents and Chemotherapy. 47, 7, p. 2310-2312 3 p.

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

Open Access

45 Scopus citations

Status of the Humboldt Penguin in Peru, 1999-2000

Paredes, R., Zavalaga, C. B., Battistini, G., Majluf, P. & McGill, P., Jun 2003, In: Waterbirds. 26, 2, p. 129-138 10 p.

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

27 Scopus citations

Traditional ecological knowledge and use of vegetation in southeastern Mexico: A case study from Solferino, Quintana Roo

La Torre-Cuadros, M. D. L. A. & Islebe, G. A., Dec 2003, In: Biodiversity and Conservation. 12, 12, p. 2455-2476 22 p.

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

92 Scopus citations

2002

Activity of clinafloxacin, compared with six other quinolones, against Acinetobacter baumannii clinical isolates

Vila, J., Ribera, A., Marco, F., Ruiz, J., Mensa, J., Chaves, J., Hernandez, G. & Jimenez De Anta, M. T., 2002, In: Journal of Antimicrobial Chemotherapy. 49, 3, p. 471-477 7 p.

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

Open Access

41 Scopus citations

Are quinolone-resistant uropathogenic Escherichia coli less virulent?

Vila, J., Simon, K., Ruiz, J., Horcajada, J. P., Velasco, M., Barranco, M., Moreno, A. & Mensa, J., 1 Oct 2002, In: Journal of Infectious Diseases. 186, 7, p. 1039-1042 4 p.

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

Open Access

158 Scopus citations

Characterization of an integron carrying a new class D β-lactamase (OXA-37) in Acinetobacter baumannii

Navia, M. M., Ruiz, J. & Vila, J., 2002, In: Microbial Drug Resistance. 8, 4, p. 261-265 5 p.

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

47 Scopus citations

Correlation between the activity of different fluoroquinolones and the presence of mechanisms of quinolone resistance in epidemiologically related and unrelated strains of methicillin-susceptible and -resistant Staphylococcus aureus

Sierra, J. M., Marco, F., Ruiz, J., Jiménez de Anta, M. T. & Vila, J., 1 Dec 2002, In: Clinical Microbiology and Infection. 8, 12, p. 781-790 10 p.

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

Open Access

30 Scopus citations

Differences in virulence factors among clinical isolates of Escherichia coli causing cystitis and pyelonephritis in women and prostatitis in men

Ruiz, J., Simon, K., Horcajada, J. P., Velasco, M., Barranco, M., Roig, G., Moreno-Martínez, A., Martínez, J. A., Jiménez de Anta, T., Mensa, J. & Vila, J., 1 Dec 2002, In: Journal of Clinical Microbiology. 40, 12, p. 4445-4449 5 p.

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

Open Access

147 Scopus citations

Distribution of β-lactamases in Acinetobacter baumannii clinical isolates and the effect of Syn 2190 (AmpC inhibitor) on the MICs of different β-lactam antibiotics

Danes, C., Navia, M. M., Ruiz, J., Marco, F., Jurado, A., Jimenez de Anta, M. T. & Vila, J., Aug 2002, In: Journal of Antimicrobial Chemotherapy. 50, 2, p. 261-264 4 p.

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

Open Access

30 Scopus citations

High prevalence of nalidixic acid resistant, ciprofloxacin susceptible phenotype among clinical isolates of Escherichia coli and other Enterobacteriaceae

Ruiz, J., Gómez, J., Navia, M. M., Ribera, A., Sierra, J. M., Marco, F., Mensa, J. & Vila, J., 2002, In: Diagnostic Microbiology and Infectious Disease. 42, 4, p. 257-261 5 p.

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

45 Scopus citations

In vitro activity of clinafloxacin in comparison with other quinolones against Stenotrophomonas maltophilia clinical isolates in the presence and absence of reserpine

Ribera, A., Jurado, A., Ruiz, J., Marco, F., Del Valle, O., Mensa, J., Chaves, J., Hernández, G., Jiménez de Anta, M. T. & Vila, J., 2002, In: Diagnostic Microbiology and Infectious Disease. 42, 2, p. 123-128 6 p.

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

25 Scopus citations

Molecular epidemiology and evolution of resistance to quinolones in Escherichia coli after prolonged administration of ciprofloxacin in patients with prostatitis

Horcajada, J. P., Vila, J., Moreno-Martínez, A., Ruiz, J., Martínez, J. A., Sánchez, M., Soriano, E. & Mensa, J., 2002, In: Journal of Antimicrobial Chemotherapy. 49, 1, p. 55-59 5 p.

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

Open Access

39 Scopus citations

Mutations in gyrA and parC QRDRs are not relevant for quinolone resistance in epidemiological unrelated Stenotrophomonas maltophilia clinical isolates

Ribera, A., Doménech-Sánchez, A., Ruiz, J., Benedi, V. J., Jimenez De Anta, M. T. & Vila, J., 2002, In: Microbial Drug Resistance. 8, 4, p. 245-251 7 p.

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

37 Scopus citations

Occurrence of a sibling species complex within neotropical lymnaeids, snail intermediate hosts of fascioliasis

Durand, P., Pointier, J. P., Escoubeyrou, K., Arenas, J. A., Yong, M., Amarista, M., Bargues, M. D., Mas-Coma, S. & Renaud, F., Sep 2002, In: Acta Tropica. 83, 3, p. 233-240 8 p.

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

23 Scopus citations

Patterns of egg laying and breeding success in Humboldt Penguins (Spheniscus humboldti) at Punta San Juan, Peru

Paredes, R., Zavalaga, C. B. & Boness, D. J., 2002, In: Auk. 119, 1, p. 244-250 7 p.

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

Open Access

33 Scopus citations

Status of the Red-legged Cormorant in Peru: What factors affect distribution and numbers?

Zavalaga, C. B., Frere, E. & Gandini, P., 2002, In: Waterbirds. 25, 1, p. 8-15 8 p.

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

19 Scopus citations

2001

Characterization of sparfloxacin-resistant mutants of Staphylococcus aureus obtained in vitro

Ruiz, J., Sierra, J. M., De Anta, M. T. J. & Vila, J., 2001, In: International Journal of Antimicrobial Agents. 18, 2, p. 107-112 6 p.

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

19 Scopus citations

Decreased invasive capacity of quinolone-resistant Escherichia coli in patients with urinary tract infections

Velasco, M., Horcajada, J. P., Mensa, J., Moreno-Martinez, A., Vila, J., Martinez, J. A., Ruiz, J., Barranco, M., Roig, G. & Soriano, E., Nov 2001, In: Clinical Infectious Diseases. 33, 10, p. 1682-1686 5 p.

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

Open Access

70 Scopus citations

Frequency of selection of fluoroquinolone-resistant mutants of Neisseria gonorrhoeae exposed to gemifloxacin and four other quinolones

Ruiz, J., Jurado, A., Garcia-Méndez, E., Marco, F., Aguilar, L., Jiménez De Anta, M. T. & Vila, J., 2001, In: Journal of Antimicrobial Chemotherapy. 48, 4, p. 545-548 4 p.

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

Open Access

12 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

33 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

18 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

14 Scopus citations

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

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

Open Access

55 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

67 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

18 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

6 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

61 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

Open Access

51 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

92 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

23 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

Open Access

70 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

Open Access

115 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

33 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

Open Access

96 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

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

Open Access

8 Scopus citations

Universidad Científica del Sur

Research output

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