Table 1.

Gene sequences used in molecular phylogeny of Trichoderma/Hypocrea

Locus	Fragment		Length (kb)	N	Var. (%)*	Reference
Internal transcribed spacer 1 and 2	ITS1 and ITS2		0.4	50	25	Kullnig-Gradinger et al., 2002
RNA coding genes
Small subunit of the mitochondrial ribosomal DNA	ssu-mDNA		0.4	50	5	Kullnig-Gradinger et al., 2002
28S rDNA gene	28S rDNA		0.5	51	8	Kullnig-Gradinger et al., 2002
Protein coding genes
Calmodulin	cal1	Intron	0.45	35**	15	Chaverri et al., 2003a
Actin	act1	1st intron	0.35	35**	5	Chaverri et al., 2003a
		2nd intron	0.8	18**	6	1Samuels and Ismael, personal communication
RNA polymerase B subunit 2	rpb2		0.4	97	40	Chaverri et al., 2004
Endochitinase 42	ech42	Last large exon	0.6	44***	33	Kullnig-Gradinger et al., 2002
Translation elongation factor 1-alpha	tef1	5th (small) intron	0.1	47	30	Kullnig-Gradinger et al., 2002
		4th (large) intron	0.35	125**	29	2Druzhinina, unpublished data
		Last large exon	0.7	84	29	Chaverri et al., 2004

^*Portion of parsimoni informative sites from the length of fragment

^**Only tested for closely related taxa

^***Data for section Longibrachiatum are not available

N indicates number of species investigated