Genetics and transcriptomics of adherent-invasive Escherichia coli (AIEC): new approaches to uncover molecular markers for its rapid identification

The adherent-invasive Escherichia coli (AIEC) pathotype could play a role in the course of Crohn’s disease. This is characterized by its capacity to adhere to and to invade intestinal epithelial cells as well as to replicate and survive within macrophages. At present, identification of the AIEC path...

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Detalles Bibliográficos
Autor: Camprubí Font, Carla
Tipo de recurso: tesis doctoral
Estado:Versión publicada
Fecha de publicación:2019
País:España
Institución:CBUC, CESCA
Repositorio:TDR. Tesis Doctorales en Red
OAI Identifier:oai:www.tdx.cat:10803/672302
Acceso en línea:http://hdl.handle.net/10803/672302
Access Level:acceso abierto
Palabra clave:Escherichia coli
AIEC
Eubacteris
Eubacterias
Eubacteria
Marcadors moleculars
Marcadores moleculares
Molecular markers
Genòmica compartiva
Genómica comparativa
Comparative genomics
Malaltia de Crohn
Enfermedad de Crohn
Crohn's disease
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616.3
Descripción
Sumario:The adherent-invasive Escherichia coli (AIEC) pathotype could play a role in the course of Crohn’s disease. This is characterized by its capacity to adhere to and to invade intestinal epithelial cells as well as to replicate and survive within macrophages. At present, identification of the AIEC pathotype relies on time-consuming techniques based on the phenotypic screening of cultured bacteria, which are not standardized. In this thesis, we focused on the study of AIEC genetics in order to look for key characteristics that could assist the development of a molecular tool for the identification of the pathotype. To sum up, the results of this work provide meaningful information that contributes to our understanding of AIEC genomics. In this case, two putative molecular markers resulting from a combination of genetic and/or phenotypic features have been presented and these could assist in AIEC screening. Finally, gene expression results provide new insights to better describe genes putatively involved in AIEC virulence