- idUS
- Investigación
- Ciencias
- Microbiología
- Artículos (Microbiología)
- Listar Artículos (Microbiología) por autor
Listar Artículos (Microbiología) por autor "Hernández Allés, Santiago"
Mostrando ítems 1-8 de 8
-
Artículo
Activities of imipenem and cephalosporins against clonally related strains of Escherichia coli hyperproducing chromosomal β-lactamase and showing altered porin profiles
Martínez Martínez, Luis; Conejo Gonzalo, Mª Carmen; Pascual Hernández, Álvaro; Hernández Allés, Santiago; Ramírez de Arellano Ramos, E.; Benedí, Vicente J.; Perea Pérez, Evelio José (American Society for Microbiology, 2000-09-06)Forty clonally related clinical isolates of Escherichia coli from hospitalized patients were resistant to cefoxitin (MICs, ...
-
Artículo
Development of resistance during antimicrobial therapy caused by insertion sequence interruption of porin genes
Hernández Allés, Santiago; Benedí, Vicente J.; Martínez Martínez, Luis; Pascual Hernández, Álvaro; Aguilar, Alicia; Tomás, Juan M.; Albertí, Sebastián (American Society for Microbiology, 1999-01-01)We have demonstrated by using an in vitro approach that interruption of the OmpK36 porin gene by insertion sequences (ISs) ...
-
Artículo
Energy-dependent accumulation of fluoroquinolones in quinolone- resistant Klebsiella pneumoniae strains
Martínez Martínez, Luis; García Luque, Isabel; Ballesta Mudarra, Sofía; Benedí, Vicente J.; Hernández Allés, Santiago; Pascual Hernández, Álvaro (American Society for Microbiology, 1998-07-01)The intracellular accumulation of norfloxacin and perloxacin in Klebsiella pneumoniae was evaluated. The roles of ...
-
Artículo
Identification and characterization of a new porin gene of Klebsiella pneumoniae: Its role in β-lactam antibiotic resistance
Doménech Sánchez, Antonio; Hernández Allés, Santiago; Martínez Martínez, Luis; Benedí, Vicente J.; Albertí, Sebastián (American Society for Microbiology, 1999)Klebsiella pneumoniae porin genes were analyzed to detect mutations accounting for the porin deficiency observed in many ...
-
Artículo
In vivo selection of porin-deficient mutants of Klebsiella pneumoniae with increased resistance to cefoxitin and expanded-spectrum cephalosporins
Martínez Martínez, Luis; Hernández Allés, Santiago; Albertí, Sebastián; Tomás, Juan M.; Benedí, Vicente J.; Jacoby, George A. (American Society for Microbiology, 1996-02-01)Four Klebsiella pneumoniae isolates (LB1, LB2, LB3, and LB4) with increased antimicrobial resistance were obtained from ...
-
Artículo
Outer membrane profiles of clonally related Klebsiella pneumoniae isolates from clinical samples and activities of cephalosporins and carbapenems
Ardanuy, Carmen; Liñares, Josefina; Domínguez, María Ángeles; Hernández Allés, Santiago; Benedí, Vicente J.; Martínez Martínez, Luis (American Society for Microbiology, 1998-07-01)Fifteen isolates of Klebsiella pneumoniae producing extended-spectrum β-lactamases (ESBLs) isolated during a nosocomial ...
-
Artículo
Role of Klebsiella pneumoniae LamB porin in antimicrobial resistance
Doménech Sánchez, Antonio; Martínez Martínez, Luis; Hernández Allés, Santiago; Conejo Gonzalo, Mª Carmen; Pascual Hernández, Álvaro; Tomás, Juan M.; Albertí, Sebastián; Benedí, Vicente J. (American Society for Microbiology, 2003-10-01)To investigate the contribution of LamB in Klebsiella pneumoniae antimicrobial resistance, we determined the MICs of various ...
-
Artículo
Roles of β-Lactamases and Porins in Activities of Carbapenems and Cephalosporins against Klebsiella pneumoniae
Martínez Martínez, Luis; Pascual Hernández, Álvaro; Hernández Allés, Santiago; Álvarez Díaz, Dolores; Suárez, Ana Isabel; Tran, John; Benedí, Vicente J.; Jacoby, George A. (American Society for Microbiology, 1999-07-01)Two clinical isolates of extended-spectrum β-lactamase (ESBL)- producing Klebsiella pneumoniae were noted to be less ...