Article ; Online: Virulence genotype and phenotype of two clinical isolates of Arcobacter butzleri obtained from patients with different pathologies.
2023 Volume 205, Issue 12, Page(s) 369
Abstract: The surge in human arcobacteriosis has increased interest in determining the mechanisms involved in the pathogenesis of Arcobacter butzleri. Here, genomic analyses and in vitro Caco-2 infection, motility, urease and antimicrobial susceptibility testing ( ... ...
Abstract | The surge in human arcobacteriosis has increased interest in determining the mechanisms involved in the pathogenesis of Arcobacter butzleri. Here, genomic analyses and in vitro Caco-2 infection, motility, urease and antimicrobial susceptibility testing (AST) assays were used to characterise the virulence and antimicrobial resistance (AMR) determinants of strains HC-1, isolated from a patient with travellers' diarrhoea, and HC-2, isolated from another with pruritus. AMR determinants conferring resistance to tetracycline (tetO, present in both genomes) and to ampicillin and amoxicillin-clavulanic acid (bla3, present in HC-2) were identified. The same determinants associated with flagellum, chemotaxis, adhesion and invasion were detected in both, but HC-1 lacked eight flagellar genes. The urease cluster was only present in HC-1. Motility and urease tests confirmed the genetic differences between strains, but no genetic marker related to the inability of HC-2 to adhere and invade was identified. This inability could be conditioning the patient's pathology. |
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MeSH term(s) | Humans ; Virulence/genetics ; Arcobacter ; Caco-2 Cells ; Urease ; Genotype ; Phenotype ; Anti-Bacterial Agents/pharmacology |
Chemical Substances | Urease (EC 3.5.1.5) ; Anti-Bacterial Agents |
Language | English |
Publishing date | 2023-11-04 |
Publishing country | Germany |
Document type | Journal Article |
ZDB-ID | 124824-8 |
ISSN | 1432-072X ; 0302-8933 |
ISSN (online) | 1432-072X |
ISSN | 0302-8933 |
DOI | 10.1007/s00203-023-03709-3 |
Database | MEDical Literature Analysis and Retrieval System OnLINE |
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