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Whole-genome sequencing and antimicrobial resistance in Brucella melitensis from a Norwegian perspective

Johansen, Tone B ; Scheffer, Lonneke ; Jensen, Veronica K ; Bohlin, Jon ; Feruglio, Siri L

Scientific reports, 2018-06, Vol.8 (1), p.8538-9, Article 8538 [Periódico revisado por pares]

England: Nature Publishing Group

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Whole-genome sequencing and antimicrobial resistance in Brucella melitensis from a Norwegian perspective
Autor: Johansen, Tone B ; Scheffer, Lonneke ; Jensen, Veronica K ; Bohlin, Jon ; Feruglio, Siri L
Assuntos: Antibiotic resistance ; Antibiotics ; Antimicrobial agents ; Antimicrobial resistance ; Brucella melitensis ; Brucella melitensis - drug effects ; Brucella melitensis - genetics ; Brucellosis ; Brucellosis - epidemiology ; Brucellosis - genetics ; Drug resistance ; Drug Resistance, Bacterial ; Female ; Genomes ; Genotypes ; Hot spots ; Humans ; Male ; Microbial Sensitivity Tests ; Migration ; Mutation ; Norway - epidemiology ; Phenotypes ; Polymorphism, Single Nucleotide ; Rifampin ; Rifampin - pharmacology ; RpoB protein ; Single-nucleotide polymorphism ; Whole Genome Sequencing
É parte de: Scientific reports, 2018-06, Vol.8 (1), p.8538-9, Article 8538
Descrição: Brucellosis is a rarely encountered infection in Norway. The aim of this study was to explore all Brucella melitensis isolates collected in Norway from 1999 to 2016 in relation to origin of infection and antimicrobial resistance patterns. A total of 23 isolates were analysed by whole-genome sequencing and compared with selected sequences of B. melitensis available from NCBI. Additionally, SNP analysis in antibiotic resistance determining genes was performed. The majority belonged to the East Mediterranean clade (genotype II), while the remaining isolates belonged to the African clade (genotype III). These results indicate that human brucellosis in Norway is related to travels or migration from the Middle East, Asia or Africa, in accordance with results from Germany, Denmark and Sweden. Antibiotic susceptibility patterns were determined by broth microdilution method and/or gradient strip method. All isolates were susceptible for all tested antibiotics, except for rifampicin where phenotypical results indicated resistance or intermediate resistance in all isolates based on broth microdilution method, and in four isolates based on gradient strip testing. In contrast, screening of the rpoB gene did not reveal any mutations in the previously described rpoB "hot spot" regions related to rifampicin resistance, indicating overestimation of resistance based on phenotypical results.
Editor: England: Nature Publishing Group
Idioma: Inglês

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Whole-genome sequencing and antimicrobial resistance in Brucella melitensis from a Norwegian perspective

Johansen, Tone B ; Scheffer, Lonneke ; Jensen, Veronica K ; Bohlin, Jon ; Feruglio, Siri L

England: Nature Publishing Group

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