Siobhán O’Brien

This study shows that fungicide exposure drives multidrug resistance in Pseudomonas fluorescens, with dual stress reducing population survival.

This study shows that fungicide and warming together reduce soil microbial community respiration, metabolic capacity, and plant growth promotion more than either stressor alone.

This study shows co-infection with Streptococcus and Rothia spp. reduces prophage gene expression and free phage levels in Pseudomonas aeruginosa in an artificial sputum model.

The paper tracks ecological and evolutionary changes in a bacterial community under copper stress, finding that siderophore production converges at intermediate levels through both species sorting and evolution.

This study shows spatial refuges can rescue microbial populations from stress when nutrients are high, but may limit adaptations to other environmental factors.