The genetic variability of grapevine Pinot gris virus (GPGV) in Australia

Table 2 Summary of genetic variation and neutrality test analysis of grapevine Pinot gris virus (GPGV) genomes for different populations formed by four phylogenetic clusters which include 32 Australian and 19 overseas GPGV isolates from France, Italy, and China

Phylogroup	N	V	Vd	S	η	k	π	SS	NS	ω	D_T	P value
Cluster 1	21	21	1.000	463	467	62.26	0.010	1398	5211	0.262	− 2.154	P < 0.01
Cluster 2	5	5	1.000	117	117	51.40	0.008	1402	5213	0.284	− 0.645	P > 0.10
Cluster 3	12	11	0.985	264	266	69.72	0.011	1405	5210	0.294	− 0.859	Not significant, P > 0.10
Cluster 4	12	12	1.000	578	584	142.8	0.022	1398	5199	0.245	− 1.230	Not significant, P > 0.10

N, number of sequences; V, number of variants; Vd, variant diversity; S, number of polymorphic (Segregating) sites; η, the total number of mutations; k, the average number of nucleotide differences between sequences; π, nucleotide diversity; SS, the total number of synonymous sites analyzed; NS, the total number of non-synonymous sites analyzed; Pi(s), synonymous nucleotide diversity; Pi(a), non-synonymous nucleotide diversity; ω = dN/dS; D_T, Tajima's D_T value; P value, statistical significance

ISSN: 1743-422X