Table 2. Gene families potentially involved in pathogenesis in Saprolegnia parasitica.

Gene familiesa	Spa	Pinf	Psoj	Pram	Hpa	Pult	Aphb
RXLR	0	563	396	374	134	0
Crinklers	0	196	100	19	20	26	+
NPP1-like proteins	0	27	39	59	10	7
Elicitin and elicitin like	29	50	66	60	17	45
Cutinase	0	4	16	4	2	0
Pectin methyl esterases	0	11	19	13	3	0
Glycosyl hydrolase	74	147	183	162	53	66
Pectate lyases	0	33	20	24	6	14
Polygalacturonases	2	23	25	16	3	2
PAN c	13	11	8	15	2	17
CBEL c	40	4	5	5	0	3	+
Ricin c	40	6	11	11	3	4
Gal-Lectin-binding c	5	0	0	0	0	0
Jacalin-like lectin c	0	4	4	4	0	0
Legume-like lectin c	3	3	3	3	3	3
Disintegrin c	16	0	0	0	0	0
Protease inhibitors, all	7	34	24	16	3	15
Proteases, all	270	194	185	190	143	200	+
Serine proteases	76	45	32	41	34	34
Metalloproteases	69	51	50	49	48	51
Cysteine proteases	85	67	71	69	33	77
ABC transporter, all	129	161	186	183	55	136	+
Kinases	543	444	436	432	271	166	+
Notch protein	15	1	1	1	1	1
Haemolysin E	9	0	0	0	0	0

^aSpa = Saprolegnia parasitica, Pinf = Phytophthora infestans, Psoj = P. sojae, Pram = P. ramorum, Hpa = Hyaloperonospora arabidopsidis, Pult = Pythium ultimum, Aph = Aphanomyces euteiches.

^bThe presence of the protein families were searched in the Aphanomycete EST database by BLASTP. A positive hit (E value<1e-8 sequence similarity >30%) is indicated by +.

^cLectin and lectin-like families.