NameSánchez Romero, María Antonia
DepartmentMicrobiología y Parasitología
Knowledge areaMicrobiología
Professional categoryPlan Propio-Acceso
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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)
Microbial cell individuality is receiving increasing interest in the scientific community. Individual cells within clonal ...
PhD Thesis
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Phenotypic heterogeneity in Salmonella enterica: biological implications of a phase-variable system

Fernández Fernández, Rocío; Sánchez Romero, María Antonia; Beuzón López, Carmen del Rosario (2023)
Esta tesis está basada en investigaciones previas de nuestro grupo de investigación sobre el operón opvAB de Salmonella ...
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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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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 ...
Chapter of Book
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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 ...
Final Degree Project
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Caracterización de la diversidad fenotípica bacteriana y su contribución a la resistencia a antibióticos

Cruz Guzmán, Gloria Salud; Sánchez Romero, María Antonia (2021)
Los antibióticos son los medicamentos que más vidas salvan en la actualidad, no sólo para tratar enfermedades infecciones ...
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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 ...
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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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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)
Bistable expression of the Salmonella enterica pathogenicity island 1 (SPI-1) and the flagellar network (Flag) has been ...
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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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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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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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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)
Bistable expression of the Salmonella enterica std operon is controlled by an AND logic gate involving three transcriptional ...
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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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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)
Invasion of epithelial cells by Salmonella enterica requires expression of genes located in the pathogenicity island I ...
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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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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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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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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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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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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, ...