Table I. Some clusters are significantly enriched in gene annotations, suggesting that genes with related processes respond similarly to ACC, with clusters in order of response rate.

Cluster	Gene Count	Cluster Regulation	Overrepresented Cluster Annotations	Transcript Changes with SLR ≥ 0.05
4	30	Up	Ethylene/hormone response, two-component signal transduction	30 min to 24 h
5	28	Complex	Oxidoreductase activity	30 min to 24 h
7	21	Down	None	1 to 24 h
10	15	Down	None	2 to 4 h
1	111	Up	None	4 to 24 h
2	48	Down	Transferase activity	4 to 24 h
6	22	Down	Metal/ion binding	4 to 24 h
8	18	Down	None	8 to 24 h
9	18	Down	Cell wall biogenesis, biosynthesis, and organization	12 to 24 h
3	40	Down	Oxidoreductase activity	24 h