Allelic variation within the S-adenosyl-L-homocysteine hydrolase gene family is associated with wood properties in Chinese white poplar (Populus tomentosa)

Table 4 Nucleotide variation within the PtoSAHH family in Populus tomentosa natural populations from three climatic regions

*Locus*	Climatic regions	N	S	π _tot	π _sil	π _s	π _n	π_n/π_s	Tajima's D*	Fu and Li's D*
PtoSAHHA	Northeastern region	14	82	0.01037	0.01721	0.02315	0.00236	0.10194	-0.05743	-0.97162
	Southern region	15	91	0.01073	0.01767	0.02229	0.00262	0.11754	-0.29863	-1.07951
	Northwestern region	14	83	0.00947	0.01583	0.02194	0.00202	0.09207	-0.43050	-1.03371
	Total	43	166	0.01058	0.01763	0.02419	0.00233	0.09632	-1.20660	-4.15376*
PtoSAHHB	Northeastern region	14	74	0.00961	0.01504	0.01580	0.00324	0.20506	0.01985	-0.66621
	Southern region	15	87	0.00959	0.01485	0.01400	0.00339	0.24214	-0.56229	-1.56176
	Northwestern region	14	68	0.00922	0.01429	0.01316	0.00325	0.24696	0.21416	-0.65261
	Total	43	160	0.00930	0.01444	0.01404	0.00326	0.23219	-1.42774	-3.95020*

N = Number of sequences sampled; S = number of segregating sites; π_tot = average nucleotide diversity in the full-length gene; π_sil = average nucleotide diversity in synonymous and noncoding sites, π_s = average nucleotide diversity of synonymous mutations; π_n = average nucleotide diversity of nonsynonymous mutations; *P <0.05.

ISSN: 2730-6844