Información del autor
Documentos disponibles escritos por este autor (9)
Añadir el resultado a su cesta Hacer una sugerencia Refinar búsqueda
texto impreso
Horna, Gertrudis ; Velasquez, Jorge ; Fernandez, Nathaly ; Tamariz, Jesus ; Ruiz, Joaquim | Elsevier | 2019-01-25T16:59:36ZOBJECTIVES: The aim of this study was to characterise a KPC-carrying Klebsiella pneumoniae isolate from a Peruvian hospital setting. METHODS: The identity of the isolate was confirmed by amplification and sequencing of the 16S rRNA gene, and the[...]texto impreso
Horna, Gertrudis ; Astocondor, L. ; Jacobs, J. ; García, C. | Sociedad Española de Quimioterapia | 2019-02-22T14:54:32ZIntroducción. Cefoxitina es un potente inductor del gen mecA. Actualmente es recomendado como método de detección presuntiva para la identificación de aislamientos de Staphylococcus aureus resistente a meticilina (SARM). El objetivo del estudio [...]texto impreso
Loyola, Steev ; Gutierrez, Luz-R. ; Horna, Gertrudis ; Petersen, Kyle ; Agapito, Juan ; Osada, Jorge ; Rios, Paul ; Lescano, Andres-G. ; Tamariz, Jesus | Elsevier | 2019-02-06T14:45:37ZBACKGROUND: Health care workers (HCWs) use their mobile phones during working hours or medical care. There is evidence that the instruments are colonized with pathogenic microorganisms. Here, we describe levels of Enterobacteriaceae contaminati[...]texto impreso
Horna, Gertrudis ; Amaro, Catherine ; Palacios, Aida ; Guerra, Humberto ; Ruiz, Joaquim | Nature Research | 2019-08-08T15:23:48ZThe type III secretion system of Pseudomonas aeruginosa is an important virulence factor contributing to the cytotoxicity and the invasion process of this microorganism. The current study aimed to determine the presence of the exoU+/exoS+ genoty[...]texto impreso
García, Coralith ; Lejon, Veerle ; Horna, Gertrudis ; Astocondor, Lizeth ; Vanhoof, Raymond ; Bertrand, Sophie ; Jacobs, Jan | American Society for Microbiology | 2020-06-10T18:11:36ZThirty-three Salmonella enterica serovar Typhi blood isolates from Lima, Peru (2008 to 2012), were fully susceptible to trimethoprim-sulfamethoxazole, chloramphenicol, ceftriaxone, and tetracycline; 8/33 (24.2%) showed intermediate susceptibili[...]texto impreso
Horna, Gertrudis ; López, María ; Guerra, Humberto ; Saenz, Yolanda ; Ruiz, Joaquim | Nature Research | 2018-11-30T17:17:14ZMexAB-OprM and MexEF-OprN are Pseudomonas aeruginosa efflux pumps involved in the development of antibiotic resistance. Several studies developed with laboratory strains or using a few clinical isolates have reported that the regulation system o[...]texto impreso
Gomes, Cláudia ; Martinez-Puchol, Sandra ; Palma, Noemi ; Horna, Gertrudis ; Ruiz-Roldan, Lidia ; Pons, Maria J. ; Ruiz, Joaquim | Taylor & Francis | 2019-01-25T17:00:26ZFrom its introduction in 1952 onwards, the clinical use of macrolides has been steadily increasing, both in human and veterinary medicine. Although initially designed to the treatment of Gram-positive microorganisms, this antimicrobial family ha[...]texto impreso
Horna, Gertrudis ; Molero, Maria L. ; Benites, Liliana ; Roman, Sigri ; Carbajal, Luz ; Mercado, Erik ; Castillo, Maria E. ; Zerpa, Rito ; Chaparro, Eduardo ; Hernandez, Roger ; Silva, Wilda ; Campos, Francisco ; Saenz, Andy ; Reyes, Isabel ; Villalobos, Alex ; Ochoa, Theresa J. | World Health Organization | 2019-02-22T14:54:32ZObjective. To 1) describe the correlation between the zones of inhibition in 1-mu g oxacillin disk diffusion (ODD) tests and penicillin and ceftriaxone minimum inhibitory concentrations (MICs) of meningeal and non-meningeal strains of Streptococ[...]texto impreso
Horna, Gertrudis ; Quezada, Karina ; Ramos, Susan ; Mosqueda, Noraida ; Rubio, Mercedes ; Guerra, Humberto ; Ruiz, Joaquim | Hemeroteca Científica Catalana | 2019-07-04T17:01:20ZThe relationships between specific type IV pili (TFP) groups and antibiotic resistance, biofilm formation, and bacterial motility were determined in 190 Pseudomonas aeruginosa clinical isolates. While motility and biofilm formation were determin[...]
