Table 1. Hormone-Associated Genes Differentially Expressed in STF Overexpressing Switchgrass.

Probe sets	Putative annotation	Fold changea	P-valueb	Putative functionc
AP13CTG02927_at	3-β hydroxysteroid dehydrogenase	0.075	0.00228	Steroid hormones biosynthesis
AP13ITG51564_s_at	3-β hydroxysteroid dehydrogenase	0.088	0.00072	Steroid hormones biosynthesis
AP13ITG59377_s_at	Cytokinin trans-hydroxylase	0.112	0.01188	Cytokinin biosynthesis
AP13ITG69514_s_at	Flavonoid 3'-monooxygenase	0.282	0.02789	Auxin biosynthesis
AP13ITG67646_at	Glutathione s-transferase	0.324	0.00761	Auxin and cytokinin response
KanlowCTG47469_s_at	Cytokinin trans-hydroxylase	0.366	0.01454	Cytokinin biosynthesis
KanlowCTG18799_at	AUX/IAA	0.397	0.01400	Auxin signaling
KanlowCTG17636_x_at	Auxin response factor	0.452	0.00033	Auxin signaling
AP13ITG49260_s_at	Cytokinin dehydrogenase	0.466	0.00279	Cytokinin degradation
AP13ITG48191_s_at	Cytokinin dehydrogenase	0.525	0.00109	Cytokinin degradation
AP13ITG64496_at	Glutathione s-transferase	2.392	0.00712	Auxin and cytokinin response
AP13ITG66839_s_at	ABA induced protein	2.749	0.00380	ABA response
AP13ITG65716_at	Horseradish peroxidase	3.817	0.05530	Auxin catabolism

^aRelative abundance of transcript in STF overexpression/control (UBI::GUS) switchgrass plants.

^bP-value calculated as described in materials and methods.

^cCategory of predicted gene function.