Table 1. Sequences, clusters and number of cDNA libraries associated with each species of nematode hosted by NEMBASE.

Cladea	Species	Description	Number of ESTs	Number of clusters	Number of libraries
I	Trichuris muris	Mouse threadworm	2126	1630	3
III	Ascaris lumbricoides	Human gut parasite	1910	965	1
III	Ascaris suum	Swine gut parasite	29 624	8581	22
III	Brugia malayi	Human lymphatic parasite	18 741	8497	15
III	Onchocerca volvulus	Human filarial parasite	15 431	5226	9
III	Toxocara canis	Canine gut parasite	4379	1344	1
V	Haemonchus contortus	Sheep gut parasite	17 269	5910	9
V	Necator americanus	Human hookworm	4820	2366	3
V	Nippostrongylus brasiliensis	Rodent gut parasite	1250	842	3
V	Teladorsagia circumcincta	Sheep gut parasite	4379	2559	4
	Total		99 929	37920	70

^aThe phylum Nematoda was previously divided into five major clades (1,2).