Table 4.

Comparison of protein-coding region (CDS), intron, and intergenic spacers (IGS) at LSC, IR, and SSC regions of chloroplast genomes.

		P. ginseng/D. carota					P. ginseng/A. cerefolium					P. ginseng/E. senticosus
Region		NP	ND	Ka	Ks	Ka/Ks (P-value)	NP	ND	Ka	Ks	Ka/Ks (P-value)	NP	ND	Ka	Ks	Ka/Ks (P-value)
CDS	LSC	1958	0.0443	0.0212	0.1484	0.1427 (0)	2021	0.0458	0.0226	0.1496	0.1511 (0)	352	0.0079	0.004	0.0229	0.1765 (8.5e-58)
	IR	496	0.0258	0.0224	0.0407	0.5507 (8.3e-10)	470	0.0243	0.0221	0.0351	0.6276 (4.9e-6)	62	0.0032	0.0037	0.0015	2.528 (0.0142)
	SSC	1296	0.0907	0.0721	0.2321	0.3107 (1.9e-99)	1276	0.0895	0.0708	0.2314	0.306 (2e-100)	281	0.0193	0.0154	0.0391	0.3937 (1.7e-13)
	TOTAL	3750	0.0482	0.0305	0.1316	0.2319 (0)	3767	0.0485	0.031	0.1308	0.2371 (0)	695	0.0089	0.006	0.0202	0.2988 (7e-54)
Intron	LSC	713	0.0962	–	–	–	711	0.0962	–	–	–	106	0.0139	–	–	–
	IR	46	0.0174	–	–	–	30	0.0113	–	–	–	4	0.0015	–	–	–
	SSC	115	0.1136	–	–	–	115	0.1130	–	–	–	109	0.0282	–	–	–
	TOTAL	874	0.0789	–	–	–	856	0.0774	–	–	–	130	0.0115	–	–	–
IGS	LSC	3898	0.1295	–	–	–	3871	0.1260	–	–	–	719	0.0210	–	–	–
	IR	768	0.0284	–	–	–	413	0.0151	–	–	–	68	0.0025	–	–	–
	SSC	626	0.1797	–	–	–	597	0.1722	–	–	–	109	0.0282	–	–	–
	TOTAL	5292	0.0873	–	–	–	4881	0.0793	–	–	–	896	0.0137	–	–	–
TOTAL		9916	0.0664	–	–	–	9504	0.0632	–	–	–	1721	0.0111		–	–

This is a summary table of each calculation from three different comparisons of P. ginseng vs. D. carota, P. ginseng vs. A. cerefolium, and P. ginseng vs. E. senticosus. Abbreviation: NP, the numbers of polymorphic sites; ND, nucleotide differences; Ks, synonymous substitution differences; and Ks, nonsysnonymous substitution differences. In the column Ka/Ks, there are two numbers, in which the above number is the Ka/Ks value and the below value in bracket is the p-value.