Effect of Serum Albumin, a Component of Human Pleural Fluid, on Transcriptional and Phenotypic Changes on Acinetobacter baumannii A118
- Autores
- Le, Casin; Pimentel, Camila; Tuttobene, Marisel Romina; Subils, Tomás; Papp Wallace, Krisztina M.; Bonomo, Robert A.; Actis, Luis A.; Tolmasky, Marcelo E.; Ramirez, Maria Soledad
- Año de publicación
- 2021
- Idioma
- inglés
- Tipo de recurso
- artículo
- Estado
- versión publicada
- Descripción
- Acinetobacter baumannii is a multidrug-resistant pathogen that causes numerous infections associated with high mortality rates. Exposure to human body fluids, such as human pleural fluid (HPF) and human serum, modulates gene expression in A. baumannii, leading to changes in its pathogenic behavior. Diverse degrees of effects at the transcriptional level were observed in susceptible and carbapenem-resistant strains. The transcriptional analysis of AB5075, a hyper-virulent and extensively drug-resistant strain showed changes in genes associated with quorum sensing, quorum quenching, fatty acids metabolism, and high-efficient iron uptake systems. In addition, the distinctive role of human serum albumin (HSA) as a critical component of HPF was evidenced. In the present work, we used model strain to analyze more deeply into the contribution of HSA in triggering A. baumannii’s response. By qRT-PCR analysis, changes in the expression level of genes associated with quorum sensing, biofilm formation, and phenylacetic acid pathway were observed. Phenotypic approaches confirmed the transcriptional response. HSA, a predominant component of HPF, can modulate the expression and behavior of genes not only in a hyper-virulent and extensively drug-resistant A. baumannii model, but also in other strains with a different degree of susceptibility and pathogenicity.
Fil: Le, Casin. California State University; Estados Unidos
Fil: Pimentel, Camila. California State University; Estados Unidos
Fil: Tuttobene, Marisel Romina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Rosario. Instituto de Biología Molecular y Celular de Rosario. Universidad Nacional de Rosario. Facultad de Ciencias Bioquímicas y Farmacéuticas. Instituto de Biología Molecular y Celular de Rosario; Argentina
Fil: Subils, Tomás. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Rosario. Instituto de Procesos Biotecnológicos y Químicos Rosario. Universidad Nacional de Rosario. Facultad de Ciencias Bioquímicas y Farmacéuticas. Instituto de Procesos Biotecnológicos y Químicos Rosario; Argentina
Fil: Papp Wallace, Krisztina M.. Case Western Reserve University School of Medicine; Estados Unidos
Fil: Bonomo, Robert A.. Case Western Reserve University School of Medicine; Estados Unidos
Fil: Actis, Luis A.. Miami University; Estados Unidos
Fil: Tolmasky, Marcelo E.. California State University; Estados Unidos
Fil: Ramirez, Maria Soledad. California State University; Estados Unidos - Materia
-
ACINETOBACTER BAUMANNII
HUMAN FLUIDS
HUMAN PLEURAL FLUID
HUMAN SERUM ALBUMIN - Nivel de accesibilidad
- acceso abierto
- Condiciones de uso
- https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
- Repositorio
- Institución
- Consejo Nacional de Investigaciones Científicas y Técnicas
- OAI Identificador
- oai:ri.conicet.gov.ar:11336/183844
Ver los metadatos del registro completo
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CONICET Digital (CONICET) |
spelling |
Effect of Serum Albumin, a Component of Human Pleural Fluid, on Transcriptional and Phenotypic Changes on Acinetobacter baumannii A118Le, CasinPimentel, CamilaTuttobene, Marisel RominaSubils, TomásPapp Wallace, Krisztina M.Bonomo, Robert A.Actis, Luis A.Tolmasky, Marcelo E.Ramirez, Maria SoledadACINETOBACTER BAUMANNIIHUMAN FLUIDSHUMAN PLEURAL FLUIDHUMAN SERUM ALBUMINhttps://purl.org/becyt/ford/1.6https://purl.org/becyt/ford/1Acinetobacter baumannii is a multidrug-resistant pathogen that causes numerous infections associated with high mortality rates. Exposure to human body fluids, such as human pleural fluid (HPF) and human serum, modulates gene expression in A. baumannii, leading to changes in its pathogenic behavior. Diverse degrees of effects at the transcriptional level were observed in susceptible and carbapenem-resistant strains. The transcriptional analysis of AB5075, a hyper-virulent and extensively drug-resistant strain showed changes in genes associated with quorum sensing, quorum quenching, fatty acids metabolism, and high-efficient iron uptake systems. In addition, the distinctive role of human serum albumin (HSA) as a critical component of HPF was evidenced. In the present work, we used model strain to analyze more deeply into the contribution of HSA in triggering A. baumannii’s response. By qRT-PCR analysis, changes in the expression level of genes associated with quorum sensing, biofilm formation, and phenylacetic acid pathway were observed. Phenotypic approaches confirmed the transcriptional response. HSA, a predominant component of HPF, can modulate the expression and behavior of genes not only in a hyper-virulent and extensively drug-resistant A. baumannii model, but also in other strains with a different degree of susceptibility and pathogenicity.Fil: Le, Casin. California State University; Estados UnidosFil: Pimentel, Camila. California State University; Estados UnidosFil: Tuttobene, Marisel Romina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Rosario. Instituto de Biología Molecular y Celular de Rosario. Universidad Nacional de Rosario. Facultad de Ciencias Bioquímicas y Farmacéuticas. Instituto de Biología Molecular y Celular de Rosario; ArgentinaFil: Subils, Tomás. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Rosario. Instituto de Procesos Biotecnológicos y Químicos Rosario. Universidad Nacional de Rosario. Facultad de Ciencias Bioquímicas y Farmacéuticas. Instituto de Procesos Biotecnológicos y Químicos Rosario; ArgentinaFil: Papp Wallace, Krisztina M.. Case Western Reserve University School of Medicine; Estados UnidosFil: Bonomo, Robert A.. Case Western Reserve University School of Medicine; Estados UnidosFil: Actis, Luis A.. Miami University; Estados UnidosFil: Tolmasky, Marcelo E.. California State University; Estados UnidosFil: Ramirez, Maria Soledad. California State University; Estados UnidosSpringer2021-11info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/183844Le, Casin; Pimentel, Camila; Tuttobene, Marisel Romina; Subils, Tomás; Papp Wallace, Krisztina M.; et al.; Effect of Serum Albumin, a Component of Human Pleural Fluid, on Transcriptional and Phenotypic Changes on Acinetobacter baumannii A118; Springer; Current Microbiology; 78; 11; 11-2021; 3829-38340343-8651CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/url/https://link.springer.com/10.1007/s00284-021-02649-9info:eu-repo/semantics/altIdentifier/doi/10.1007/s00284-021-02649-9info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-03T09:57:27Zoai:ri.conicet.gov.ar:11336/183844instacron:CONICETInstitucionalhttp://ri.conicet.gov.ar/Organismo científico-tecnológicoNo correspondehttp://ri.conicet.gov.ar/oai/requestdasensio@conicet.gov.ar; lcarlino@conicet.gov.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:34982025-09-03 09:57:27.726CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse |
dc.title.none.fl_str_mv |
Effect of Serum Albumin, a Component of Human Pleural Fluid, on Transcriptional and Phenotypic Changes on Acinetobacter baumannii A118 |
title |
Effect of Serum Albumin, a Component of Human Pleural Fluid, on Transcriptional and Phenotypic Changes on Acinetobacter baumannii A118 |
spellingShingle |
Effect of Serum Albumin, a Component of Human Pleural Fluid, on Transcriptional and Phenotypic Changes on Acinetobacter baumannii A118 Le, Casin ACINETOBACTER BAUMANNII HUMAN FLUIDS HUMAN PLEURAL FLUID HUMAN SERUM ALBUMIN |
title_short |
Effect of Serum Albumin, a Component of Human Pleural Fluid, on Transcriptional and Phenotypic Changes on Acinetobacter baumannii A118 |
title_full |
Effect of Serum Albumin, a Component of Human Pleural Fluid, on Transcriptional and Phenotypic Changes on Acinetobacter baumannii A118 |
title_fullStr |
Effect of Serum Albumin, a Component of Human Pleural Fluid, on Transcriptional and Phenotypic Changes on Acinetobacter baumannii A118 |
title_full_unstemmed |
Effect of Serum Albumin, a Component of Human Pleural Fluid, on Transcriptional and Phenotypic Changes on Acinetobacter baumannii A118 |
title_sort |
Effect of Serum Albumin, a Component of Human Pleural Fluid, on Transcriptional and Phenotypic Changes on Acinetobacter baumannii A118 |
dc.creator.none.fl_str_mv |
Le, Casin Pimentel, Camila Tuttobene, Marisel Romina Subils, Tomás Papp Wallace, Krisztina M. Bonomo, Robert A. Actis, Luis A. Tolmasky, Marcelo E. Ramirez, Maria Soledad |
author |
Le, Casin |
author_facet |
Le, Casin Pimentel, Camila Tuttobene, Marisel Romina Subils, Tomás Papp Wallace, Krisztina M. Bonomo, Robert A. Actis, Luis A. Tolmasky, Marcelo E. Ramirez, Maria Soledad |
author_role |
author |
author2 |
Pimentel, Camila Tuttobene, Marisel Romina Subils, Tomás Papp Wallace, Krisztina M. Bonomo, Robert A. Actis, Luis A. Tolmasky, Marcelo E. Ramirez, Maria Soledad |
author2_role |
author author author author author author author author |
dc.subject.none.fl_str_mv |
ACINETOBACTER BAUMANNII HUMAN FLUIDS HUMAN PLEURAL FLUID HUMAN SERUM ALBUMIN |
topic |
ACINETOBACTER BAUMANNII HUMAN FLUIDS HUMAN PLEURAL FLUID HUMAN SERUM ALBUMIN |
purl_subject.fl_str_mv |
https://purl.org/becyt/ford/1.6 https://purl.org/becyt/ford/1 |
dc.description.none.fl_txt_mv |
Acinetobacter baumannii is a multidrug-resistant pathogen that causes numerous infections associated with high mortality rates. Exposure to human body fluids, such as human pleural fluid (HPF) and human serum, modulates gene expression in A. baumannii, leading to changes in its pathogenic behavior. Diverse degrees of effects at the transcriptional level were observed in susceptible and carbapenem-resistant strains. The transcriptional analysis of AB5075, a hyper-virulent and extensively drug-resistant strain showed changes in genes associated with quorum sensing, quorum quenching, fatty acids metabolism, and high-efficient iron uptake systems. In addition, the distinctive role of human serum albumin (HSA) as a critical component of HPF was evidenced. In the present work, we used model strain to analyze more deeply into the contribution of HSA in triggering A. baumannii’s response. By qRT-PCR analysis, changes in the expression level of genes associated with quorum sensing, biofilm formation, and phenylacetic acid pathway were observed. Phenotypic approaches confirmed the transcriptional response. HSA, a predominant component of HPF, can modulate the expression and behavior of genes not only in a hyper-virulent and extensively drug-resistant A. baumannii model, but also in other strains with a different degree of susceptibility and pathogenicity. Fil: Le, Casin. California State University; Estados Unidos Fil: Pimentel, Camila. California State University; Estados Unidos Fil: Tuttobene, Marisel Romina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Rosario. Instituto de Biología Molecular y Celular de Rosario. Universidad Nacional de Rosario. Facultad de Ciencias Bioquímicas y Farmacéuticas. Instituto de Biología Molecular y Celular de Rosario; Argentina Fil: Subils, Tomás. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Rosario. Instituto de Procesos Biotecnológicos y Químicos Rosario. Universidad Nacional de Rosario. Facultad de Ciencias Bioquímicas y Farmacéuticas. Instituto de Procesos Biotecnológicos y Químicos Rosario; Argentina Fil: Papp Wallace, Krisztina M.. Case Western Reserve University School of Medicine; Estados Unidos Fil: Bonomo, Robert A.. Case Western Reserve University School of Medicine; Estados Unidos Fil: Actis, Luis A.. Miami University; Estados Unidos Fil: Tolmasky, Marcelo E.. California State University; Estados Unidos Fil: Ramirez, Maria Soledad. California State University; Estados Unidos |
description |
Acinetobacter baumannii is a multidrug-resistant pathogen that causes numerous infections associated with high mortality rates. Exposure to human body fluids, such as human pleural fluid (HPF) and human serum, modulates gene expression in A. baumannii, leading to changes in its pathogenic behavior. Diverse degrees of effects at the transcriptional level were observed in susceptible and carbapenem-resistant strains. The transcriptional analysis of AB5075, a hyper-virulent and extensively drug-resistant strain showed changes in genes associated with quorum sensing, quorum quenching, fatty acids metabolism, and high-efficient iron uptake systems. In addition, the distinctive role of human serum albumin (HSA) as a critical component of HPF was evidenced. In the present work, we used model strain to analyze more deeply into the contribution of HSA in triggering A. baumannii’s response. By qRT-PCR analysis, changes in the expression level of genes associated with quorum sensing, biofilm formation, and phenylacetic acid pathway were observed. Phenotypic approaches confirmed the transcriptional response. HSA, a predominant component of HPF, can modulate the expression and behavior of genes not only in a hyper-virulent and extensively drug-resistant A. baumannii model, but also in other strains with a different degree of susceptibility and pathogenicity. |
publishDate |
2021 |
dc.date.none.fl_str_mv |
2021-11 |
dc.type.none.fl_str_mv |
info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion http://purl.org/coar/resource_type/c_6501 info:ar-repo/semantics/articulo |
format |
article |
status_str |
publishedVersion |
dc.identifier.none.fl_str_mv |
http://hdl.handle.net/11336/183844 Le, Casin; Pimentel, Camila; Tuttobene, Marisel Romina; Subils, Tomás; Papp Wallace, Krisztina M.; et al.; Effect of Serum Albumin, a Component of Human Pleural Fluid, on Transcriptional and Phenotypic Changes on Acinetobacter baumannii A118; Springer; Current Microbiology; 78; 11; 11-2021; 3829-3834 0343-8651 CONICET Digital CONICET |
url |
http://hdl.handle.net/11336/183844 |
identifier_str_mv |
Le, Casin; Pimentel, Camila; Tuttobene, Marisel Romina; Subils, Tomás; Papp Wallace, Krisztina M.; et al.; Effect of Serum Albumin, a Component of Human Pleural Fluid, on Transcriptional and Phenotypic Changes on Acinetobacter baumannii A118; Springer; Current Microbiology; 78; 11; 11-2021; 3829-3834 0343-8651 CONICET Digital CONICET |
dc.language.none.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
info:eu-repo/semantics/altIdentifier/url/https://link.springer.com/10.1007/s00284-021-02649-9 info:eu-repo/semantics/altIdentifier/doi/10.1007/s00284-021-02649-9 |
dc.rights.none.fl_str_mv |
info:eu-repo/semantics/openAccess https://creativecommons.org/licenses/by-nc-sa/2.5/ar/ |
eu_rights_str_mv |
openAccess |
rights_invalid_str_mv |
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/ |
dc.format.none.fl_str_mv |
application/pdf application/pdf application/pdf |
dc.publisher.none.fl_str_mv |
Springer |
publisher.none.fl_str_mv |
Springer |
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reponame:CONICET Digital (CONICET) instname:Consejo Nacional de Investigaciones Científicas y Técnicas |
reponame_str |
CONICET Digital (CONICET) |
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CONICET Digital (CONICET) |
instname_str |
Consejo Nacional de Investigaciones Científicas y Técnicas |
repository.name.fl_str_mv |
CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicas |
repository.mail.fl_str_mv |
dasensio@conicet.gov.ar; lcarlino@conicet.gov.ar |
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1842269462703636480 |
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13.13397 |