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Listar Artículos (Genética) por autor "Sánchez Romero, María Antonia"
Mostrando ítems 1-19 de 19
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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 ...
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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 ...
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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 ...
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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, ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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, ...
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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 ...
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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 ...
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Transcription-driven DNA supercoiling counteracts H-NS-mediated gene silencing in bacterial chromatin.
Figueroa Bossi, Nara; Fernández Fernández, Rocío; Kerboriou, Patricia; Bouloc, Philippe; Casadesús Pursals, Josep; Sánchez Romero, María Antonia; Bossi, Lionello (Nature Research, 2024-03-30)In all living cells, genomic DNA is compacted through interactions with dedicated proteins and/or the formation of plectonemic ...
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Artículo
Waddington's Landscapes in the Bacterial World
Sánchez Romero, María Antonia; Casadesús Pursals, Josep (Frontiers Media, 2021)Conrad Waddington's epigenetic landscape, a visual metaphor for the development of multicellular organisms, is appropriate ...