Phase distribution of spliceosomal introns: implications for intron origin

Table 1 Statistical information of the genome-wide dataset.

Organism	# of genes	# of introns	Avg. introns	%GC	Phase distribution (%)
					P-0	P-1	P-2
N. crassa	8817	15856	1.80	56.0	38.2	34.1	27.7
D. melanogaster	8932	27135	3.04	53.7	42.5	31.8	25.7
H. sapiens	11058	89508	8.09	52.3	45.4	31.2	23.4
F. graminearum	8168	18695	2.29	51.8	38.6	34.4	27.0
C. neoformans	5603	26945	4.81	51.0	41.6	30.7	27.7
X. tropicalis	7793	61999	7.96	47.2	46.7	30.3	23.0
A. thaliana	9734	52856	5.43	44.1	57.6	20.6	21.8
C. elegans	11128	60110	5.40	43.1	47.8	26.5	25.7
S. pombe	3791	3924	1.04	39.4	42.2	31.2	26.6
P. falciparum	3828	6127	1.60	23.6	44.8	32.6	22.6

The 10 eukaryotes are arranged in descending order of GC contents (%) from top to bottom. P-0, phase-0; P-1, phase-1; P-2, phase-2.

ISSN: 2730-7182