Figure 1.

The beet armyworm, Spodoptera exigua, shown feeding on the model legume species Medicago truncatula; the first fatty-acid:amino-acid conjugates (FACs) to be identified as elicitors of plant defense responses were isolated from this insect.

Korth Genome Biology 2003 4:221   doi:10.1186/gb-2003-4-7-221