The structure, functional evolution, and evolutionary trajectories of the H+-PPase gene family in plants

BMC Genomics

Table 3 Estimated dates for segmental duplication events of H⁺-PPase gene family members in the plant genome duplication database

Species (λ)	Gene pairs		Ks (Mean ± s.d.)	Estimated time (Mya)	WGD (Mya)
Zea mays (6.5 × 10^− 9) [24]	Zm00008a033578	Zm00008a025249	0.4167 ± 0.4910	*	~ 1 2 [25], 70~9 0 [26], ~ 13 0 [27]
	Zm00008a012212	Zm00008a002892	0.23	17.6923
	Zm00008a021157	Zm00008a018655	0.27 ± 0.1697	*
Musa acuminata (4.5 × 10^− 9) [28]	GSMUA_Achr6G36430	GSMUA_Achr7G20850	0.52 ± 0.0743	57.7778	~ 6 1 [28], ~ 6 5 [29], 70~9 0 [26], ~ 13 0 [27]
Musa acuminata (4.5 × 10^− 9) [28]	GSMUA_Achr1G26020	GSMUA_Achr3G13280	0.5157 ± 0.1242	*	~ 6 1 [28], ~ 6 5 [29], 70~9 0 [26], ~ 13 0 [27]
Glycine max (6 × 10⁻⁹) [30]	GLYMA_07G028500	GLYMA _08G214300	0.1413 ± 0.0847	11.775	5~13 and ~ 12 5 [31,32,33,34,35]
	GLYMA _08G214300	GLYMA _13G162800	1.5033 ± 0.2768	125.275
	GLYMA_07G001500	GLYMA _08G225500	0.1625 ± 0.1864	*

Key: *, Excessive standard deviation, not suitable for estimation. The gene name highlighted by the bold typeface indicates that the gene is a type II member; the remaining genes are of subtype Ia

ISSN: 1471-2164