Table 3.

Top 10 GO terms in BP category of differentially expressed genes in Bcpol97-05A (sterile line) compared to Bcajh97-01B (fertile line) of Brassica campestris.

GO Term ID	GO Term Description	Unigene Numeber	DE Gene Number	Expected Number	KS
GO:0009827	plant-type cell wall modification	1070	360	121.45	<1 × 10−30
GO:0009860	pollen tube growth	1366	407	155.05	<1 × 10−30
GO:0030048	actin filament-based movement	271	85	30.76	2.60 × 10−10
GO:0010584	pollen exine formation	326	103	37	9.30 × 10−10
GO:0045490	pectin catabolic process	193	54	21.91	6.80 × 10−7
GO:0048235	pollen sperm cell differentiation	116	40	13.17	2.40 × 10−6
GO:0015770	sucrose transport	66	25	7.49	1.70 × 10−5
GO:0009821	alkaloid biosynthetic process	42	13	4.77	1.80 × 10−5
GO:1901700	response to oxygen-containing compound	11730	1436	1331.44	1.90 × 10−5
GO:0009737	response to abscisic acid	4007	511	454.82	3.60 × 10−5

The “Unigene number” line, “DE Gene Number” line, “Expected Number” line, and “KS” line display the number of unigenes, number of differentially expressed genes, expected number annotated to the related corresponding GO term, and the p-value of the KS test, respectively.