We publish high-quality original research on bacteria, fungi, protists, archaea, algae, parasites and other microscopic life forms.Topics include but are not limited to:Antimicrobials and antimicrobial resistanceBacteriology and parasitologyBiochemistry and biophysicsBiofilms and biological systemsBiotechnology and bioremediationCell biology and signallingChemical biologyCross-disciplinary workEcology and environmental microbiologyFood microbiologyGeneticsHost–microbe interactionsMicrobial methods and techniquesMicroscopy and imagingOmics, including genomics, proteomics and metabolomicsPhysiology and metabolismSystems biology and synthetic biologyThe microbiome.