Microbial population biology

movement of genetic material between organisms other than by transmission from parent to offspring

process in which single-celled organisms monitor their population density by detecting the concentration of small, diffusible signal molecules produced by the cells themselves.

infectious disease of emerging pathogen, often novel in its outbreak range or transmission mode

thumb|200px|A representation of the endosymbiotic theory

subtype of a microorganism. An organism with one or more new mutations is referred to as a “variant” of the original organism if not sufficiently different to be termed a distinct strain

subfield of evolutionary biology and virology concerned with the evolution of viruses

study of the ecology of microorganisms

DNA-containing virus-like particles produced by some bacteria and archaea

Darwinian evolution of self-replicating entities within framework of physical chemistry

adaptive behavior among bacteria and protists