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Mostrando ítems 21-30 de 506
Artículo
N-acetylcysteine selectively antagonizes the activity of imipenem in Pseudomonas aeruginosa by an OprD-mediated mechanism
(American Society for Microbiology, 2015-01-01)
The modulating effect of N-acetylcysteine (NAC) on the activity of different antibiotics has been studied in Pseudomonas aeruginosa. Our results demonstrate that, in contrast to previous reports, only the activity of ...
Artículo
Opening the "black box" of nodD3, nodD4 and nodD5 genes of Rhizobium tropici strain CIAT 899
(BioMed Central, 2015)
Background: Transcription of nodulation genes in rhizobial species is orchestrated by the regulatory nodD gene. Rhizobium tropici strain CIAT 899 is an intriguing species in possessing features such as broad host range, ...
Artículo
Impact of the MIC of Piperacillin-Tazobactam on the Outcome of Patients with Bacteremia Due to Extended-Spectrum-B-Lactamase- Producing Escherichia coli
(American Society for Microbiology, 2013-07)
We investigated the impact of the piperacillin-tazobactam MIC in the outcome of 39 bloodstream infections due to extended- spectrum-B-lactamase-producing Escherichia coli. All 11 patients with urinary tract infections ...
Tesis Doctoral
Estudios sobre mutantes auxotróficos y simbióticos producidos por transposición con Tn5 en Rhizobium trifolii
(1984-09-26)
Desde el punto de vista práctico, la fijación simbiótica del nitrógeno es con mucho la más importante de las modalidades de fijación de este elemento y hacia ella se dirigen hoy día la mayoría de las investigaciones con ...
Tesis Doctoral
Reducción enzimática de nitrato a nitrito en azotobacter chrococcum dependiente de ferredoxina
(1975-12-22)
Las reacciones y estructuras de las moléculas que contienen nitrógeno juegan un papel esencial en Bioquímica. Realmente la importancia de los ácidos nucleicos, proteínas, muchos coenzimas y otros compuestos nitrogenadas ...
Tesis Doctoral
Escherichia coli infection: mechanisms and rapid detection of resistance to the association of ß-lactams with ß-lactamase inhibitors, and impact of the Sars-Cov-2 pandemic on the morbidity and mortality of intra-abdominal infection
(2023-11-03)
Infections by Escherichia coli in human beings produce a significant disease burden, with important morbidity and mortality, and the increasing resistance to antimicrobials is a challenge for choosing the more effective ...
Artículo
Transcriptional organization and regulation of the Pseudomonas putida K1 type VI secretion system gene cluster
(Microbiology Society, 2023)
The type VI secretion system (T6SS) is an antimicrobial molecular weapon that is widespread in Proteobacteria and offers competitive advantages to T6SS-positive micro-organisms. Three T6SSs have recently been described in ...
Artículo
The Rhizobial Type 3 Secretion System: The Dr. Jekyll and Mr. Hyde in the Rhizobium–Legume Symbiosis
(Multidisciplinary Digital Publishing Institute (MDPI), 2022)
Rhizobia are soil bacteria that can establish a symbiotic association with legumes. As a result, plant nodules are formed on the roots of the host plants where rhizobia differentiate to bacteroids capable of fixing atmospheric ...
Tesis Doctoral
Utilidad del 1-3-beta-d-glucano(BDG) y los anticuerpos antimicelio (CAGTA), en el diagnóstico de la candidiasis invasiva en pacientes críticos no neutropénicos.
(2017-12-14)
La alta morbilidad y mortalidad de las candidiasis invasivas implica la necesidad de un diagnóstico rápido para instaurar un tratamiento antifúngico dirigido eficaz con rapidez. El método diagnóstico de referencia es el ...
Artículo
Securin Is a Target of the UV Response Pathway in Mammalian Cells
(2004)
All eukaryotic cells possess elaborate mechanisms to protect genome integrity and ensure survival after DNA damage, ceasing proliferation and granting time for DNA repair. Securin is an inhibitory protein that is bound to ...