Table 2.

Downregulated Genes in sdg2-1 That Are Known to Be Functionally Essential for Gametophyte Development

Probe Name	P Value	Fold Change	Gene ID	Gene Symbol	Description	Reference
					Male and Female Gametophyte Development
A_84_P20471	0.001	2.1	At4g27330	SPL/NZZ	SPOROCYTELESS/NOZZLE; a putative MADS-like transcription factor	Schiefthaler et al. (1999); Yang et al. (1999)
A_84_P832776	0.017	2.1	At1g05690	BT3	BTB and TAZ domain protein 3; a putative transcription regulator	Robert et al. (2009)
					Male Gametophyte Development
A_84_P14769	0.011	2.2	At4g21330	DYT1	DYSFUNCTIONAL TAPETUM1; a putative bHLH domain transcription factor	Zhang et al. (2006)
A_84_P15962	0.010	2.6	AT5G56110	MYB80/MYB103	MYB DOMAIN PROTEIN 80/103; a putative transcription factor	Zhang et al. (2007)
A_84_P565469	0.047	2.8	At5g22260	MS1	MALE STERILITY1; a putative PHD domain transcription factor	Ito et al. (2007); Yang et al. (2007)
A_84_P12806	0.039	2.8	At3g60460	DUO1	DUO POLLEN1; a putative myb family transcription factor	Rotman et al. (2005)
A_84_P13673	0.018	3.1	At3g11980	MS2	MALE STERILITY2; fatty acid reductase	Aarts et al. (1997)
A_84_P14098	0.016	3.9	At5g62320	MYB99	Myb domain protein 99; a putative transcription factor	Alves-Ferreira et al. (2007)
					Female Gametophyte Development
A_84_P15477	0.012	2.5	At3g10000	EDA31	EMBRYO SAC DEVELOPMENT ARREST31; SANT, MYB-like transcription factor	Pagnussat et al. (2005)
A_84_P78785	0.012	2.9	At3g03650	EDA5	EMBRYO SAC DEVELOPMENT ARREST5; exostosin-like	Pagnussat et al. (2005)
A_84_P579221	0.039	8.2	At2g01280	MEE65	MATERNAL EFFECT EMBRYO ARREST65; transcription factor TFIIB-related	Pagnussat et al. (2005)