Primary examples of antibiosis include "antibacterial activity against bacteria, fungus, nematodes, insects, and occasionally against plants and algae".
Molecular processes such cell wall synthesis and recycling, for example, have become better understood through the study of how antibiotics affect beta-lactam development through the antibiosis relationship and interaction of the particular drugs with the bacteria subjected to the compound.
"When you give antibiotic-producing bacteria a structured medium, they affix to substrate, grow clonally, and produce a 'no man's land,' absent competitors, where the antibiotics diffuse outward.
The black walnut, Juglans nigra, produces a secretion called juglone, which is toxic to a variety of flowers, herbaceous plants, and field crops.
In response to this, attine ants encourage growth of the Pseudonocardia actinomycete, as it produces an antimicrobial compound that suppresses the parasitic Escovopsis.