Clade IV

Clade IV includes both freeliving and parasitic nematodes. The Strongyloidoidea are vertebrate parasites, while the Tylenchida include many major plant parasites. The clade also includes Steinernema pathogens of insects, and the freeliving Cephalobina and Panagrolaimida.

	Strongyloidoidea	database	description	EST effort
	Strongyloides ratti	http://www.nematode.net/	S. ratti is a rodent parasite used as a model of the human parasite S. stercoralis.	ESTs are being sequenced in Washington university St Louis.
	Strongyloides stercoralis	http://www.nematode.net/	S. stercoralis is a human parasite infecting over 0.5 billion people.	ESTs are being sequenced in Washington university St Louis.
	Tylenchida
	Globodera rostochiensis			ESTs are being sequenced in Washington university St Louis.
	Meloidogyne javanica	http://www.nematode.net/		ESTs are being sequenced in Washington university St Louis.
	Meloidogyne incognita	http://www.nematode.net/		ESTs are being sequenced in Washington university St Louis.
	Cephalobina
	Zeldia punctata	http://www.nematode.net/	Z. punctata is a freeliving bacteriovore.	ESTs are being sequenced in Washington university St Louis.