Table 1. Single nucleotide polymorphisms in cultivated and wild Oryza as compared with O. sativa ssp. japonica cv. Nipponbare.

Oryza species	Whole genome		Chromosome 5		Chromosome 5 low diversity region (8.972 -13.557 Mb)
	Total	SNPs/kb	Total	SNPs/kb	Total	SNPs/kb
O. sativa ssp.indica	978,630	2.56	68,443	2.28*	244	0.053*
O. rufipogon (Asian)	917,738	2.40	70,367	2.34*	6,050	1.302*
O. rufipogon (Australian)	2,564,013	6.71	219,794	6.71*	18,179	3.96*
O. meridionalis	2,418,084	6.33	206,884	6.89*	17,139	3.73*

* Means significantly different (t–test, p<0.01).