Table 4.

Comparison by t-test in the log₁₀-tranformated number of genes in the NBS and RLK families between cultivated and wild species of Oryza and Glycine

Species	N	NBS			RLK
		Mean ± SD	Mean difference	P-value	Mean ± SD	Mean difference	P-value
Oryza (Asian rice): cultivated versus wild
O. sativa ssp. indica versus	54	2.9032 ± 0.17977	0.12703**	0.008	3.1268 ± 0.13808	0.19095**	0.006
O. rufipogon	18	2.7761 ± 0.13964			2.9358 ± 0.21780
O. sativa ssp. japonica versus	30	2.7094 ± 0.17976	−0.06677	0.184	2.9599 ± 0.13638	0.02412	0.748
O. rufipogon	18	2.7761 ± 0.13964			2.9358 ± 0.21780
O. sativa ssp. javanica versus	36	2.7564 ± 0.19568	−0.01971	0.705	2.9956 ± 0.13904	0.05978	0.401
O. rufipogon	18	2.7761 ± 0.13964			2.9358 ± 0.21780
O. sativa versus	120	2.8107 ± 0.20221	0.03456	0.486	3.0446 ± 0.15494	0.10877	0.094
O. rufipogon	18	2.7761 ± 0.13964			2.9358 ± 0.21780
Oryza (African rice): cultivated versus wild
O. glaberrina versus	42	2.6399 ± 0.17400	−0.10026*	0.041	3.0017 ± 0.18582	−0.06084	0.380
O. barthii	24	2.7401 ± 0.20969			3.0626 ± 0.19297
Glycine: cultivated versus wild
G. max versus	88	2.9777 ± 0.19760	−0.11342***	0.000	2.9935 ± 0.21865	−0.07224*	0.037
G. soja	72	3.0911 ± 0.16170			3.0657 ± 0.21465

The variation is significant in two-tailed test at *P ≤ 0.05, **P ≤ 0.01 and ***P ≤ 0.001.