Mycobacterium tuberculosis, which causes tuberculosis, can evolve rapidly in response to new environments by mutating genetic regulators that control multiple genes at once.
Generally recognised as safe GABA-producing L. lactis strains could be considered as future therapeutic agents for the management of visceral pain and the anxious profile of IBS patients.
Ancestral reconstruction of a signaling pathway reveals the mutations responsible for producing specificity of the two paralogous pathways produced by a duplication event.
Staphylococcus aureus NAD kinase promotes infection by protecting bacteria from host antimicrobial defenses and by supporting production of major virulence factors.
Urban wildlife harbor gut bacteria found in humans but missing from rural wildlife, consistent with bacterial transmission from humans to wildlife in cities.
