Table 4. Gene family expansion in the R. oryzae genome.

Species	Cell wall synthesis		Protein hydrolysis		Cell signaling
	CHS	CDA	SAP	Subtilases	GTPases	GTPase regulators
Rhizopus oryzae	23	34	28	23	184	246
Aspergillus fumigatus	9	9	6	4	81	76
Neurospora crassa	7	5	17	8	84	79
Magnaporthe grisea	8	11	8	7	—	—
Saccharomyces cerevisiae	7*	2*	7	4	82	76
Candida albicans	8*	1*	14	2	—	—
Cryptococcus neoformans	8	4	7	2	78	77
Coprinus cinereus	9	16	2	3	86	83
Ustilago maydis	8	8	6	1	80	77

Expanded gene families in R. oryzae compared to selected dikaryotic fungal genomes.

—, not tested.

*: based on the SGD (http://www.yeastgenome.org/) and CGD (http://www.candidagenome.org/) annotation.