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Mostrando ítems 131-140 de 336
Artículo
Efficacy of Fosfomycin and Its Combination With Aminoglycosides in an Experimental Sepsis Model by Carbapenemase-Producing Klebsiella pneumoniae Clinical Strains
(Frontiers Media, 2021)
Carbapenemase-producing Klebsiella pneumoniae infections are an increasing global threat with scarce and uncertain treatment options. In this context, combination therapies are often used for these infections. The bactericidal ...
Artículo
In vitro effect photodynamic therapy with differents photosensitizers on cariogenic microorganisms
(BioMed Central, 2015)
Background Antimicrobial photodynamic therapy has been proposed as an alternative to suppress subgingival species. This results from the balance among Streptococcus sanguis, Streptococcus mutans and Candida albicans in ...
Artículo
Étude ultrastructurale de la morphogenese corticale. De régénération chez le cilié hypotriche histriculus similis
(Éditions du Centre national de la recherche scientifique, 1984)
La régénération chez Histriculus similis a été étudiée en microscopie électronique. Les premiers signes du procesus de régénération s'observenl une heure apres le traitement par l'urée. Pendant la morphogenese corticale ...
Artículo
Plant Growth-Promoting Rhizobacteria Modulate the Concentration of Bioactive Compounds in Tomato Fruits
(Multidisciplinary Digital Publishing Institute (MDPI), 2021)
Background: The application of microorganisms as bioestimulants in order to increase the yield and/or quality of agricultural products is becoming a widely used practice in many countries. In this work, five plant ...
Artículo
In vitro effect of qnrA1, qnrB1, and qnrS1 genes on fluoroquinolone activity against isogenic Escherichia coli isolates with mutations in gyrA and parC
(American Society for Microbiology, 2011-03-01)
This article provides an analysis of the in vitro effect of qnrA1, qnrB1, and qnrS1 genes, combined with quinolone-resistant Ser83Leu substitutions in GyrA and/or Ser80Arg in ParC, on fluoroquinolone (FQ) resistance in ...
Artículo
Standardization of inducer-activated broad host range expression modules: debugging and refactoring an alkane-responsive AlkS/PalkB device
(Oxford University Press, 2021-09-17)
Although inducible heterologous expression systems have been available since the birth of recombinant DNA technology, the diversity of genetic devices and their coming together in the corresponding vectors often result ...
Artículo
Microbial Populations in Ferrous Iron Oxidation Bioreactors
(Universidad Pablo de Olavide de Sevilla, 2016)
Motivación: ferrous iron oxidation can take place in partly controlled biological reactors inoculated with mixed cultures of acidophilic microorganisms. In these bioreactors, liquor pH can affect ...
Artículo
NrcR, a new transcriptional regulator of rhizobium tropici ciat 899 involved in the legume root-nodule symbiosis
(Public Library of Science, 2016)
The establishment of nitrogen-fixing rhizobium-legume symbioses requires a highly complex cascade of events. In this molecular dialogue the bacterial NodD transcriptional regulators in conjunction with plant inducers, ...
Artículo
Ultraviolet disinfection robots to improve hospital cleaning: Real promise or just a gimmick?
(Frontiers Media, 2021)
The global COVID-19 pandemic due to the novel coronavirus SARS-CoV-2 has challenged the availability of traditional surface disinfectants. It has also stimulated the production of ultraviolet-disinfection robots by companies ...
Artículo
Wnt/β-Catenin Signaling Contributes to Paclitaxel Resistance in Bladder Cancer Cells with Cancer Stem Cell-Like Properties
(MDPI, 2021-12-31)
The Wnt/β-catenin pathway plays an important role in tumor progression and chemother apy resistance and seems to be essential for the maintenance of cancer stem cells (CSC) in several tumor types. However, the interplay ...