Table 1.

MapMan Bins of Genes of Common Function Identified as Significantly More Highly Expressed in the Embryo Relative to Endosperm or Endosperm Relative to Embryo

Embryo				Endosperm
Bin Code	Bin Name	No. Genes	P Value	Bin Code	Bin Name	No. Genes	P Value
29.2	Protein synthesis	427	<1e-20	29.5	Protein degradation	654	<1e-20
29.2.2	Ribosomal proteins	233	<1e-20	29.5.11.20	Proteasome	53	6.17e-09
29.2.1	Plastid/mitochondrial ribosomal proteins	72	1.75e-19	8.1	TCA cycle	33	2.98e-06
1.1	Photosynthesis light reactions	114	3.02e-12	29.4	Posttranslational modification	611	3.30e-05
28.1	DNA synthesis/chromatin structure	218	5.32e-06	34.3	Amino acid transport	40	1.08e-03
34.19.1	Major intrinsic proteins PIP	9	3.10e-05	4.0	Glycolysis	48	1.73e-03
19.0	Tetrapyrrole biosynthesis	27	3.55e-05	9.0	Mitochondrial electron transport	86	2.96e-03
11.6	Lipid transfer proteins	9	1.16e-04	31.4	Vesicle transport	69	4.69e-03
10.6.3	Pectate lyases	37	4.55e-04	29.11.4.3.2	F-box proteins	163	8.69e-03
16.2.1	Lignin biosynthesis	22	9.04e-04	2.1.1	Sucrose synthesis	9	1.00e-02
1.3	Calvin cycle	29	1.32e-03	5.0	Fermentation	10	1.36e-02
29.1	Amino acid activation	67	1.32e-03	34.9	Metabolite transporters at the mitochondrial membrane	51	1.47e-02
10.8	Pectin esterases	34	1.49e-03	34.14	Unspecified cation transporters	27	1.77e-02
10.5.1	Arabinogalactan proteins	26	1.60e-03	34.2	Sugar transporters	52	1.85e-02
11.1	Fatty acid synthesis	69	1.72e-03	34.12	Metal transporters	49	1.85e-02
31.3	Cell cycle	81	2.32e-03	6.0	Glyoxylate cycle, gluconeogenesis	8	3.24e-02
16.3	Phenylpropanoid metabolism	59	2.96e-03
27.2	Transcription	54	9.43e-03
2.1.2	Starch synthesis	23	1.17e-02

MapMan bins of genes were identified by comparing the regulation of each bin to the ATH1 array as a whole using the Wilcoxon rank sum test.