1887

Abstract

The emergence and spread of bacteria with resistance to multiple antimicrobial agents is raising the mortality rates associated with bacterial infections, and poses a fundamental threat to human health. an opportunistic human pathogen that is responsible for 10-15% of health-care associated infections worldwide, and is known for its ability to rapidly develop enhanced resistance during the course of treating an infection.

isolates have been collected from ICU patients in hospitals across Europe over a longitudinal sampling of short-term acute respiratory infection. Twelve isolates per patient per sampling of infection have been acquired. Genome sequencing and high-throughput phenotyping of growth rate and antibiotic resistance profile has been carried out.

Using high-throughput phenotyping and genome sequence data we have been able to characterise population diversity and variation in phenotypic resistance profile, growth rate and acquired resistance gene content of these isolates. A gradient of diversity was found within patient infections, ranging from monoclonal to multiple strains present. Large within-patient population diversity in phenotypic resistance profile and acquired resistance gene content could be observed in multiple sequence-type infections.

This research has been carried out in collaboration with the COMBACTE-MAGNET research consortium (Combatting Bacterial Resistance in Europe – Molecules against Gram-Negative Infections).

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/content/journal/acmi/10.1099/acmi.mim2019.po0016
2020-01-01
2020-02-28
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http://instance.metastore.ingenta.com/content/journal/acmi/10.1099/acmi.mim2019.po0016
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