Glossary Item
Bacteria : bacteria
Effective 14 July 2015Preferred Term: bacteria
Other Terms:
Definition:
A type of microorganism that is present in most habitats on the planet (including within plants and animals). Bacteria come in a range of shapes including spheres, rods and spirals and most are made up of a single cell without a nucleus. Bacterial plant pathogens cause diseases such as leaf spot, fire blight and wilts.