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This research investigates how antimicrobial resistance develops in diverse pathogen populations through interactions between different strains.

February 28, 2026The ISME JournalOpen Access

Resistance variation and bacterial interactions shape adaptation of a genetically diverse pathogen population to antibiotic therapy

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Authors

ABAditi BatraKiel University LTLeif TüeffersKiel University KHKira HaasKiel University

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Implication

Controlled evolution experiments reveal that antibiotic resistance is shaped by strain interactions and diversity in pathogen populations, indicating implications for treatment strategies.

Key Points

This research investigates how antimicrobial resistance develops in diverse pathogen populations through interactions between different strains.
Conducted controlled evolution experiments with Pseudomonas aeruginosa
Performed extensive phenotyping to assess strain characteristics
Utilized genome sequence analysis to understand genetic differences
Examined ecological interactions and metapopulation structure
Compared mutation rates for assessing likelihood of resistance evolution
Resistance evolution is influenced by strain-specific resistance profiles and ecological interactions.
The likelihood of developing new resistance varies based on mutation rates.
Strain variation and interactions play a crucial role in the adaptation process.
Findings suggest a complex interplay between ecological and evolutionary dynamics in polymicrobial infections.

Cite This Study

Batra et al. (2026) studied this question.

synapsesocial.com/papers/69a287010a974eb0d3c02622 https://doi.org/10.1093/ismejo/wrag039

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Implication

Controlled evolution experiments reveal that antibiotic resistance is shaped by strain interactions and diversity in pathogen populations, indicating implications for treatment strategies.

Resistance variation and bacterial interactions shape adaptation of a genetically diverse pathogen population to antibiotic therapy

Discussion

Member takes

Implication

Key Points

Cite This Study

Resistance variation and bacterial interactions shape adaptation of a genetically diverse pathogen population to antibiotic therapy

Discussion

Member takes

Implication

Key Points

Cite This Study

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