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8 p, 3.1 MB |
Mycobacterium detection method combining filtration, immunomagnetic separation, and electrochemical readout in a portable biosensing device
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Mesas Gómez, Melania (Universitat Autònoma de Barcelona. Institut de Biotecnologia i de Biomedicina "Vicent Villar Palasí") ;
Molina-Moya, Barbara (Institut Germans Trias i Pujol) ;
de Araújo, Bárbara Camila (Universidade Estadual Paulista. Instituto de Química) ;
Pallarès-Rusiñol, Arnau (BioEclosion S.L.) ;
Ferrer-Dalmau, Jofre (BioEclosion S.L.) ;
Boldrin Zanoni, Maria Valnice (Universidade Estadual Paulista. Instituto de Química) ;
Domínguez, José (Universitat Autònoma de Barcelona. Departament de Genètica i de Microbiologia) ;
Julián Gómez, Esther (Universitat Autònoma de Barcelona. Departament de Genètica i de Microbiologia) ;
Pividori, María Isabel (Universitat Autònoma de Barcelona. Departament de Química)
This study addresses a straightforward and highly sensitive approach for detecting Mycobacterium fortuitum. The method involves a combination of filtration and direct immunomagnetic separation to isolate the bacteria retained on filters for further electrochemical magneto immunosensing in a handheld device. [...]
2024 - 10.1016/j.snb.2023.135211
Sensors and actuators. B, Chemical, Vol. 403 (March 2024) , art. 135211
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2.
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13 p, 1.4 MB |
Improved biosensing of Legionella by integrating filtration and immunomagnetic separation of the bacteria retained in filters
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Mesas Gómez, Melania (Universitat Autònoma de Barcelona. Institut de Biotecnologia i de Biomedicina "Vicent Villar Palasí") ;
Molina-Moya, Barbara (Institut Germans Trias i Pujol) ;
de Araújo, Bárbara Camila (Universidade Estadual Paulista. Department of Analytical Chemistry) ;
Boldrin Zanoni, Maria Valnice (Universidade Estadual Paulista. Department of Analytical Chemistry) ;
Julián Gómez, Esther (Universitat Autònoma de Barcelona. Departament de Genètica i de Microbiologia) ;
Domínguez, José (Universitat Autònoma de Barcelona. Departament de Genètica i de Microbiologia) ;
Pividori, María Isabel (Universitat Autònoma de Barcelona. Departament de Química)
A novel approach is presented that combines filtration and the direct immunomagnetic separation of the retained bacteria Legionella in filters, for further electrochemical immunosensing. This strategy allows for the separation and preconcentration of the water-borne pathogen from high-volume samples, up to 1000 mL. [...]
2024 - 10.1007/s00604-023-06122-1
Mikrochimica acta, Vol. 191, Issue 2 (February 2024) , art. 82
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3.
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12 p, 4.4 MB |
A high-throughput microtiter plate screening assay to quantify and differentiate species in dual-species biofilms
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Campo Pérez, Víctor (Universitat Autònoma de Barcelona. Departament de Genètica i de Microbiologia) ;
Alcàcer-Almansa, Júlia (Universitat de Barcelona. Departament de Genètica, Microbiologia i Estadística) ;
Julián Gómez, Esther (Universitat Autònoma de Barcelona. Departament de Genètica i de Microbiologia) ;
Torrents, Eduard (Institut de Bioenginyeria de Catalunya)
Pathogenic bacteria form biofilms during infection, and polymicrobial biofilms are the most frequent manifestation. Biofilm attachment, maturation, and/or antibiotic sensitivity are mainly evaluated with microtiter plate assays, in which bacteria are stained to enable the quantification of the biomass by optical absorbance or fluorescence emission. [...]
2023 - 10.3390/microorganisms11092244
Microorganisms, Vol. 11, issue 9 (Sep. 2023) , art. 2244
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4.
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19 p, 9.2 MB |
Genomic analysis of Mycobacterium brumae sustains its nonpathogenic and immunogenic phenotype
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Renau-Mínguez, Chantal (University of Valencia-FISABIO Joint Unit) ;
Herrero Abadía, Paula (Universitat Autònoma de Barcelona. Departament de Genètica i de Microbiologia) ;
Ruiz-Rodriguez, Paula (University of Valencia-FISABIO Joint Unit) ;
Sentandreu, Vicente (University of Valencia) ;
Torrents, Eduard (Universitat de Barcelona) ;
Chiner-Oms, Álvaro (Instituto de Biomedicina de Valencia (IBV-CSIC)) ;
Torres-Puente, Manuela (Instituto de Biomedicina de Valencia (IBV-CSIC)) ;
Comas, I (Instituto de Biomedicina de Valencia (IBV-CSIC)) ;
Julián Gómez, Esther (Universitat Autònoma de Barcelona. Departament de Genètica i de Microbiologia) ;
Coscolla, Mireia (University of Valencia-FISABIO Joint Unit)
Mycobacterium brumae is a rapid-growing, non-pathogenic Mycobacterium species, originally isolated from environmental and human samples in Barcelona, Spain. Mycobacterium brumae is not pathogenic and it's in vitro phenotype and immunogenic properties have been well characterized. [...]
2023 - 10.3389/fmicb.2022.982679
Frontiers in microbiology, Vol. 13 (January 2023) , art. 982679
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5.
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6.
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2 p, 518.4 KB |
Emmagatzematge de reserves lipídiques dins dels micobacteris no tuberculosos
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Julián Gómez, Esther (Universitat Autònoma de Barcelona. Departament de Genètica i de Microbiologia) ;
Campo Pérez, Víctor (Universitat Autònoma de Barcelona. Departament de Genètica i de Microbiologia)
En un estudi del Departament de Genètica i de Microbiologia de la UAB en col·laboració amb el Servei de Microscòpia s'ha analitzat la composició de les inclusions lipídiques intracel·lulars (ILIs) de micobacteris no patògens en diferents medis de cultiu. [...] En un estudio del Departamento de Genética y Microbiología de la UAB en colaboración con el Servicio de Microscopía se ha analizado la composición de las inclusiones lipídicas intracelulares (ILIs) de micobacterias no patógenas en distintos medios de cultivo. [...]
2023
UAB divulga, Abril 2023, p. 1-2
2 documents
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7.
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16 p, 7.2 MB |
Remodeling the bladder tumor immune microenvironment by mycobacterial species with changes in their cell envelope composition
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Senserrich, Jordi (Institut Germans Trias i Pujol. Institut de Recerca de la Sida IrsiCaixa) ;
Guallar Garrido, Sandra (Universitat Autònoma de Barcelona. Departament de Genètica i de Microbiologia) ;
Gomez-Mora, Elisabet (Institut Germans Trias i Pujol. Institut de Recerca de la Sida IrsiCaixa) ;
Urrea, Víctor (Institut Germans Trias i Pujol. Institut de Recerca de la Sida IrsiCaixa) ;
Clotet Sala, Bonaventura (Centro de Investigación Biomédica en Red de Enfermedades Infecciosas) ;
Julián Gómez, Esther (Universitat Autònoma de Barcelona. Departament de Genètica i de Microbiologia) ;
Cabrera Navarro, Cecilia (Institut Germans Trias i Pujol. Institut de Recerca de la Sida IrsiCaixa)
Intravesical BCG instillation after bladder tumor resection is the standard treatment for non-muscle invasive bladder cancer; however, it is not always effective and frequently has undesirable side effects. [...]
2022 - 10.3389/fimmu.2022.993401
Frontiers in immunology, Vol. 13 (october 2022)
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8.
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14 p, 5.7 MB |
The high plasticity of nonpathogenic Mycobacterium brumae induces rapid changes in its lipid profile during pellicle maturation : The potential of this bacterium as a versatile cell factory for lipid compounds of therapeutic interest
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Campo Pérez, Víctor (Universitat Autònoma de Barcelona. Departament de Genètica i de Microbiologia) ;
Guallar Garrido, Sandra (Universitat Autònoma de Barcelona. Departament de Genètica i de Microbiologia) ;
Luquín Fernández, Marina (Universitat Autònoma de Barcelona. Departament de Genètica i de Microbiologia) ;
Sánchez Chardi, Alejandro (Universitat Autònoma de Barcelona. Servei de Microscòpia) ;
Julián Gómez, Esther (Universitat Autònoma de Barcelona. Departament de Genètica i de Microbiologia)
The immunomodulatory potential of mycobacteria to be used for therapeutic purposes varies by species and culture conditions and is closely related to mycobacterial lipid composition. Although the lipids present in the mycobacterial cell wall are relevant, lipids are mainly stored in intracellular lipid inclusions (ILIs), which have emerged as a crucial structure in understanding mycobacteria-host interaction. [...]
2022 (Special Issue "Microbial Lipids: Production, Characterization and Applications") - 10.3390/ijms232113609
International journal of molecular sciences, Vol. 23, Issue 21 (November 2022) , art. 13609
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9.
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0 p, 3.1 MB |
Mycobacterial surface characters remodeled by growth conditions drive different tumor-infiltrating cells and systemic IFN-γ/IL-17 release in bladder cancer treatment
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Guallar Garrido, Sandra (Universitat Autònoma de Barcelona. Departament de Genètica i de Microbiologia) ;
Campo Pérez, Víctor (Universitat Autònoma de Barcelona. Departament de Genètica i de Microbiologia) ;
Pérez-Trujillo, Míriam (Universitat Autònoma de Barcelona. Departament de Química) ;
Cabrera Navarro, Cecilia (Institut Germans Trias i Pujol. Institut de Recerca de la Sida IrsiCaixa) ;
Senserrich, Jordi (Institut Germans Trias i Pujol. Institut de Recerca de la Sida IrsiCaixa) ;
Sánchez Chardi, Alejandro (Universitat Autònoma de Barcelona. Servei de Microscòpia) ;
Rabanal Prados, Rosa Ma (Universitat Autònoma de Barcelona. Departament de Medicina i Cirurgia Animals) ;
Gomez, Elisabet (Institut Germans Trias i Pujol. Institut de Recerca de la Sida IrsiCaixa) ;
Noguera-Ortega, Estela (Universitat Autònoma de Barcelona. Departament de Genètica i de Microbiologia) ;
Luquín Fernández, Marina (Universitat Autònoma de Barcelona. Departament de Genètica i de Microbiologia) ;
Julián Gómez, Esther (Universitat Autònoma de Barcelona. Departament de Genètica i de Microbiologia)
The mechanism of action of intravesical Mycobacterium bovis BCG immunotherapy treatment for bladder cancer is not completely known, leading to misinterpretation of BCG-unresponsive patients, who have scarce further therapeutic options. [...]
2022 - 10.1080/2162402X.2022.2051845
Oncoimmunology, Vol. 11, Issue 1 (March 2022) , art. e2051845
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10.
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13 p, 2.6 MB |
Immunomagnetic separation improves the detection of mycobacteria by paper-based lateral and vertical flow immunochromatographic assays
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Ben Aissa Soler, Alejandra (Universitat Autònoma de Barcelona. Departament de Química) ;
Julián Gómez, Esther (Universitat Autònoma de Barcelona. Departament de Genètica i de Microbiologia) ;
Zanoni, Maria Valnice (São Paulo State University. Department of Analytical Chemistry) ;
Pividori, María Isabel (Universitat Autònoma de Barcelona. Institut de Biotecnologia i de Biomedicina "Vicent Villar Palasí")
This work addresses a method that combines immunomagnetic separation (IMS) and paperbased nucleic acid immunochromatographic assay for the sensitive detection of Mycolicibacterium fortuitum (basonym Mycobacterium fortuitum) In particular, the preconcentration of the bacteria was achieved by using magnetic particles modified with an antibody specific towards mycobacteria. [...]
2021 - 10.3390/s21185992
Sensors (Basel, Switzerland), Vol. 21, Issue 18 (September 2021) , art. 5992
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