TABLE 3.

Results of Fisher's exact test showing overrepresented groups of genes in the hemB mutant at different growth phases

Time when group is overrepresented and group name	Group size (total size = 2,322)	Selection group size	Selection size	P valuea
Pooled values of the whole time course			337
Metabolism of carbohydrates and related molecules	133	34		0.00
Membrane bioenergetics (electron transport chain and ATP synthase)	54	17		0.00
Transport/binding proteins and lipoproteins	256	53		0.00
Metabolism of nucleotides and nucleic acids	74	18		0.02
Phage-related functions	43	11		0.04
Adaptation to atypical conditions	44	11		0.04
Lag phase			279
Protein synthesis	85	25		0.00
Metabolism of nucleotides and nucleic acids	74	22		0.00
Metabolism of carbohydrates and related molecules	133	27		0.00
Adaptation to atypical conditions	44	12		0.00
Early logarithmic phase			171
Metabolism of carbohydrates and related molecules	133	27		0.00
Transport/binding proteins and lipoproteins	256	34		0.00
Adaptation to atypical conditions	44	7		0.04
Logarithmic phase			113
Metabolism of carbohydrates and related molecules	133	19		0.00
Metabolism of nucleotides and nucleic acids	74	10		0.00
Transport/binding proteins and lipoproteins	256	21		0.01
Early stationary growth phase			189
Membrane bioenergetics (electron transport chain and ATP synthase)	54	13		0.00
Metabolism of carbohydrates and related molecules	133	20		0.00
Transport/binding proteins and lipoproteins	256	31		0.01
Stationary growth phase			46
Membrane bioenergetics (electron transport chain and ATP synthase)	54	8		0.00
Protein synthesis	85	7		0.00
Metabolism of carbohydrates and related molecules	133	6		0.04

^aOnly groups that are overrepresented are listed.