- idUS
- Listar por autor
Listar por autor "Sánchez Romero, María Antonia"
Mostrando ítems 1-20 de 22
-
Artículo
A portable epigenetic switch for bistable gene expression in bacteria
Rodríguez Olivenza, David; Sánchez Romero, María Antonia; Cota García, Ignacio; Casadesús Pursals, Josep; Nicoloff, Hervé; Andersson, Dan I. (Nature Research, 2019)We describe a portable epigenetic switch based on opvAB, a Salmonella enterica operon that undergoes bistable expression ...
-
Artículo
Analysis of Salmonella lineage-specific traits upon cell sorting
Fernández Fernández, Rocío; López Igual, Rocío; Casadesús Pursals, Josep; Sánchez Romero, María Antonia (Frontiers Media SA, 2023-03-29)Microbial cell individuality is receiving increasing interest in the scientific community. Individual cells within clonal ...
-
Capítulo de Libro
Aprender cómo responde nuestro cuerpo frente a las infecciones: un nuevo enfoque para enseñar inmunología
Sánchez Romero, María Antonia (Universidad de Sevilla, 2022)Este trabajo presenta una experiencia docente en el aula impartida en la asignatura de Biología de primer curso del Grado ...
-
Trabajo Fin de Grado
Caracterización de la diversidad fenotípica bacteriana y su contribución a la resistencia a antibióticos
Cruz Guzmán, Gloria Salud (2021-07)Los antibióticos son los medicamentos que más vidas salvan en la actualidad, no sólo para tratar enfermedades infecciones ...
-
Artículo
Contribution of DNA adenine methylation to gene expression heterogeneity in Salmonella enterica
Sánchez Romero, María Antonia; Rodríguez Olivenza, David; Gutiérrez Pozo, Gabriel; Casadesús Pursals, Josep (Oxford University Press, 2020)Expression of Salmonella enterica loci harboring undermethylated GATC sites at promoters or regulatory regions was monitored ...
-
Artículo
Contribution of phenotypic heterogeneity to adaptive antibiotic resistance
Casadesús Pursals, Josep; Sánchez Romero, María Antonia (2014)Antibiotic-resistant isolates of Salmonella enterica were selected on plates containing lethal concentrations of rifampicin, ...
-
Artículo
Contribution of SPI-1 bistability to Salmonella enterica cooperative virulence: insights from single cell analysis
Sánchez Romero, María Antonia; Casadesús Pursals, Josep (Natural Research, 2018)Salmonella enterica pathogenicity island 1 (SPI-1) is a gene cluster that encodes a type III secretion system and effectors ...
-
Artículo
Copy Number Heterogeneity in the Virulence Plasmid of Salmonella enterica
Sánchez Romero, María Antonia; Mérida Floriano, Ángela; Casadesús Pursals, Josep (Frontiers Media, 2020)Quantitative PCR analysis shows that the virulence plasmid of Salmonella enterica serovar Typhimurium (pSLT) is a ...
-
Artículo
CRP-cAMP mediates silencing of Salmonella virulence at the post-transcriptional level
El Mouali, Youssef; Gaviria-Cantin, Tania; Sánchez Romero, María Antonia; Gilbert, Marta; Westermann, Alexander J.; Vogel, Jörg; Balsalobre, Carlos (Public Library of Science, 2018-06-07)Invasion of epithelial cells by Salmonella enterica requires expression of genes located in the pathogenicity island I ...
-
Artículo
Development of a new fluorescent reporter:operator system: location of AraC regulated genes in Escherichia coli K-12
Sellars, Laura E.; Bryant, Jack A.; Sánchez Romero, María Antonia; Sánchez Morán, Eugenio; Busby, Stephen J. W.; Lee, David J. (BioMed Central, 2017)In bacteria, many transcription activator and repressor proteins regulate multiple transcription units that are often ...
-
Artículo
Epigenetic Control of Salmonella enterica O-Antigen Chain Length: A Tradeoff between Virulence and Bacteriophage Resistance
Cota García, Ignacio; Sánchez Romero, María Antonia; Hernández Piñero, Sara Belén; Pucciarelli, María Graciela; García del Portillo, Francisco; Casadesús Pursals, Josep (Public Library of Science, 2015)The Salmonella enterica opvAB operon is a horizontally-acquired locus that undergoes phase variation under Dam methylation ...
-
Artículo
Evidence for Involvement of the Salmonella enterica Z-Ring Assembly Factors ZapA and ZapB in Resistance to Bile
Fernández Fernández, Rocío; Hernández Piñero, Sara Belén; Puerta Fernández, Elena; Sánchez Romero, María Antonia; Urdaneta Páez, Verónica Carolina; Casadesús Pursals, Josep (Frontiers Media, 2021)Genes annotated as ygfE and yiiU in the genome of Salmonella enterica serovar Typhimurium encode proteins homologous to ...
-
Artículo
Formation of phenotypic lineages in Salmonella enterica by a pleiotropic fimbrial switch
García Pastor, Lucía; Sánchez Romero, María Antonia; Puerta Fernández, Elena; Casadesús Pursals, Josep; Gutiérrez Pozo, Gabriel (Public Library of Science, 2018)The std locus of Salmonella enterica, an operon acquired by horizontal transfer, encodes fimbriae that permit adhesion to ...
-
Artículo
Pervasive transcription enhances the accessibility of H-NS–silenced promoters and generates bistability in Salmonella virulence gene expression
Figueroa Bossi, Nara; Sánchez Romero, María Antonia; Kerboriou, Patricia; Naquin, Delphine; Mendes, Clara; Bouloc, Philippe; Casadesus Pursals, Josep; Bossi, Lionello (National Academy of Sciences, 2022)In Escherichia coli and Salmonella, many genes silenced by the nucleoid structuring protein H-NS are activated upon ...
-
Tesis Doctoral
Phenotypic heterogeneity in Salmonella enterica: biological implications of a phase-variable system
Fernández Fernández, Rocío (2023-02-03)Esta tesis está basada en investigaciones previas de nuestro grupo de investigación sobre el operón opvAB de Salmonella ...
-
Artículo
Pseudomonas syringae Differentiates into Phenotypically Distinct Subpopulations During Colonization of a Plant Host
Rufián, José S.; Sánchez Romero, María Antonia; López Márquez, Diego; Macho, Alberto P.; Mansfield, John W.; Arnold, Dawn L.; Ruiz Albert, Javier; Casadesús Pursals, Josep; Beuzón, Carmen R. (Wiley-Blackwell, 2016)Bacterial microcolonies with heterogeneous sizes are formed during colonization of Phaseolus vulgaris by Pseudomonas ...
-
Artículo
Regulation of bistability in the std fimbrial operon of Salmonella enterica by DNA adenine methylation and transcription factors HdfR, StdE and StdF
García Pastor, Lucía; Sánchez Romero, María Antonia; Jakomin, Marcello; Puerta Fernández, Elena; Casadesús Pursals, Josep (Oxford Academic, 2019-09-05)Bistable expression of the Salmonella enterica std operon is controlled by an AND logic gate involving three transcriptional ...
-
Artículo
Salmonella Heterogeneously Expresses Flagellin During Colonization of Plants
Zarkani, Azhar A.; López Pagán, Nieves; Grimm, Maja; Sánchez Romero, María Antonia; Ruiz Albert, Javier; Beuzón López, Carmen del Rosario; Schikora, Adam (MDPI, 2020)Minimally processed or fresh fruits and vegetables are unfortunately linked to an increasing number of food-borne diseases, ...
-
Artículo
Salmonella Type III Secretion Effector SrfJ: A Glucosylceramidase Affecting the Lipidome and the Transcriptome of Mammalian Host Cells
Aguilera Herce, Julia; Panadero Medianero, Concepción; Sánchez Romero, María Antonia; Balbontín Soria, Roberto; Bernal Bayard, Joaquín; Ramos Morales, Francisco (MDPI, 2023)Type III secretion systems are found in many Gram-negative pathogens and symbionts of animals and plants. Salmonella ...
-
Artículo
Single cell analysis of bistable expression of pathogenicity island 1 and the flagellar regulon in Salmonella enterica
Sánchez Romero, María Antonia; Casadesús Pursals, Josep (MDPI, 2021-01)Bistable expression of the Salmonella enterica pathogenicity island 1 (SPI-1) and the flagellar network (Flag) has been ...