Search Results - "Xavier, Karina B."

The Multiple Signaling Systems Regulating Virulence in Pseudomonas aeruginosa by NADAL JIMENEZ, Pol, KOCH, Gudrun, THOMPSON, Jessica A, XAVIER, Karina B, COOL, Robbert H, QUAX, Wim J

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The first steps of adaptation of Escherichia coli to the gut are dominated by soft sweeps by Barroso-Batista, João, Sousa, Ana, Lourenço, Marta, Bergman, Marie-Louise, Sobral, Daniel, Demengeot, Jocelyne, Xavier, Karina B, Gordo, Isabel

“…The accumulation of adaptive mutations is essential for survival in novel environments. However, in clonal populations with a high mutational supply, the power…”
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Effect of diet on the evolution of gut commensal bacteria by Dapa, Tanja, Xavier, Karina B

“…The gut microbiota, comprising trillions of diverse microorganisms inhabiting the intestines of animals, forms a complex and indispensable ecosystem with…”
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Specific Eco-evolutionary Contexts in the Mouse Gut Reveal Escherichia coli Metabolic Versatility by Barroso-Batista, João, Pedro, Miguel F., Sales-Dias, Joana, Pinto, Catarina J.G., Thompson, Jessica A., Pereira, Helena, Demengeot, Jocelyne, Gordo, Isabel, Xavier, Karina B.

“…Members of the gut microbiota are thought to experience strong competition for nutrients. However, how such competition shapes their evolutionary dynamics and…”
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Lactobacillus supports Clostridiales to restrict gut colonization by multidrug-resistant Enterobacteriaceae by Djukovic, Ana, Garzón, María José, Canlet, Cécile, Cabral, Vitor, Lalaoui, Rym, García-Garcerá, Marc, Rechenberger, Julia, Tremblay-Franco, Marie, Peñaranda, Iván, Puchades-Carrasco, Leonor, Pineda-Lucena, Antonio, González-Barberá, Eva María, Salavert, Miguel, López-Hontangas, José Luis, Sanz, Miguel Á., Sanz, Jaime, Kuster, Bernhard, Rolain, Jean-Marc, Debrauwer, Laurent, Xavier, Karina B., Xavier, Joao B., Ubeda, Carles

“…Infections by multidrug-resistant Enterobacteriaceae (MRE) are life-threatening to patients. The intestinal microbiome protects against MRE colonization, but…”
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Regulation of Uptake and Processing of the Quorum-Sensing Autoinducer AI-2 in Escherichia coli by XAVIER, Karina B, BASSLER, Bonnie L

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A Mutational Hotspot and Strong Selection Contribute to the Order of Mutations Selected for during Escherichia coli Adaptation to the Gut by Lourenço, Marta, Ramiro, Ricardo S, Güleresi, Daniela, Barroso-Batista, João, Xavier, Karina B, Gordo, Isabel, Sousa, Ana

“…The relative role of drift versus selection underlying the evolution of bacterial species within the gut microbiota remains poorly understood. The large sizes…”
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An Efficient Synthesis of Optically Active [4- 13 C] Labelled Quorum Sensing Signal Autoinducer-2 by Ascenso, Osvaldo S, Carrau, Gonzalo, Xavier, Karina B, Ventura, M Rita, Maycock, Christopher D

“…A new synthetic route for the quorum sensing signal Autoinducer-2 (AI-2) is described and used for the preparation of [4- C]-AI-2 starting from [1-…”
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LsrF, a coenzyme A-dependent thiolase, catalyzes the terminal step in processing the quorum sensing signal autoinducer-2 by Marques, João C., Oh, Il Kyu, Ly, Daniel C., Lamosa, Pedro, Ventura, M. Rita, Miller, Stephen T., Xavier, Karina B.

“…The quorum sensing signal autoinducer-2 (AI-2) regulates important bacterial behaviors, including biofilm formation and the production of virulence factors…”
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Phosphoenolpyruvate phosphotransferase system regulates detection and processing of the quorum sensing signal autoinducer-2 by Pereira, Catarina S., Santos, António J. M., Bejerano-Sagie, Michal, Correia, Paulo B., Marques, Joao C., Xavier, Karina B.

“…Summary Autoinducer‐2 (AI‐2) a signal produced by a range of phylogenetically distant microorganisms, enables inter‐species cell–cell communication and…”
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Erwinia carotovora Quorum Sensing System Regulates Host-Specific Virulence Factors and Development Delay in Drosophila melanogaster by Vieira, Filipe J D, Nadal-Jimenez, Pol, Teixeira, Luis, Xavier, Karina B

“…Multihost bacteria have to rapidly adapt to drastic environmental changes, relying on a fine integration of multiple stimuli for an optimal genetic response…”
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Detection of plasmid-mediated colistin resistance, mcr-1 gene, in Escherichia coli isolated from high-risk patients with acute leukemia in Spain by Lalaoui, Rym, Djukovic, Ana, Bakour, Sofiane, Sanz, Jaime, Gonzalez-Barbera, Eva M., Salavert, Miguel, López-Hontangas, Jose Luis, Sanz, Miguel A., Xavier, Karina B., Kuster, Bernhard, Debrauwer, Laurent, Ubeda, Carles, Rolain, Jean-Marc

“…Bacterial infections in immunocompromised patients are associated with a high mortality and morbidity rate. In this high-risk group, the presence of…”
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Challenges in Clinical Metaproteomics Highlighted by the Analysis of Acute Leukemia Patients with Gut Colonization by Multidrug-Resistant Enterobacteriaceae by Rechenberger, Julia, Samaras, Patroklos, Jarzab, Anna, Behr, Juergen, Frejno, Martin, Djukovic, Ana, Sanz, Jaime, González-Barberá, Eva M, Salavert, Miguel, López-Hontangas, Jose Luis, Xavier, Karina B, Debrauwer, Laurent, Rolain, Jean-Marc, Sanz, Miguel, Garcia-Garcera, Marc, Wilhelm, Mathias, Ubeda, Carles, Kuster, Bernhard

“…The microbiome has a strong impact on human health and disease and is, therefore, increasingly studied in a clinical context. Metaproteomics is also attracting…”
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Identification of Functional LsrB-Like Autoinducer-2 Receptors by PEREIRA, Catarina S, DE REGT, Anna K, BRITO, Patricia H, MILLER, Stephen T, XAVIER, Karina B

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AI-2-mediated signalling in bacteria by Pereira, Catarina S., Thompson, Jessica A., Xavier, Karina B.

“…Abstract Success in nature depends upon an ability to perceive and adapt to the surrounding environment. Bacteria are not an exception; they recognize and…”
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Synthesis and biological activity of a potent optically pure autoinducer-2 quorum sensing agonist by Ascenso, Osvaldo S., Torcato, Inês M., Miguel, Ana Sofia, Marques, João C., Xavier, Karina B., Ventura, M. Rita, Maycock, Christopher D.

“…Both enantiomers of Propoxy-DPD have been synthesised and tested. The (4S) enantiomer was the mostactive AI-2 agonist described so far. [Display omitted]…”
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Cheating on Cheaters Stabilizes Cooperation in Pseudomonas aeruginosa by Özkaya, Özhan, Balbontín, Roberto, Gordo, Isabel, Xavier, Karina B.

“…Bacterial cooperation can be disrupted by non-producers that can profit from public goods without paying their production cost. A cheater can increase in…”
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Maintenance of Microbial Cooperation Mediated by Public Goods in Single- and Multiple-Trait Scenarios by Özkaya, Özhan, Xavier, Karina B, Dionisio, Francisco, Balbontín, Roberto

“…Microbes often form densely populated communities, which favor competitive and cooperative interactions. Cooperation among bacteria often occurs through the…”
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Deciphering the quorum-sensing lexicon of the gut microbiota by Oliveira, Rita A., Cabral, Vitor, Torcato, Inês, Xavier, Karina B.

“…The enduring coexistence between the gut microbiota and the host has led to a symbiotic relationship that benefits both parties. In this complex, multispecies…”
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The crystal structure of the Escherichia coli autoinducer-2 processing protein LsrF by Diaz, Zamia, Xavier, Karina B, Miller, Stephen T

“…Many bacteria produce and respond to the quorum sensing signal autoinducer-2 (AI-2). Escherichia coli and Salmonella typhimurium are among the species with the…”
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