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Table 3 Comparison of site models, positive selective amino acid loci and estimation of parameters for accD protein-coding genes in the Heliantheae species

From: Characteristics of the completed chloroplast genome sequence of Xanthium spinosum: comparative analyses, identification of mutational hotspots and phylogenetic implications

Protein-coding gene Model np Ln L Estimates of parameters Model compared LRT
P-value
Positive sites
accD M3 45 − 1567.812 p: 0.05791 0.85997 0.08211 M0 vs. M3 0 []
ω: 0.22724 0.22724 3.70209
M0 41 − 1597.602 ω0: 0.36846 Not Allowed
M2a 44 −1567.812 p: 0.91789 0 0.08211 M1a vs. M2a 0.000196255 []
ω: 0.22724 1 3.70208
M1a 42 − 1576.349 p: 0.82957 0.17043   Not Allowed
ω: 0.11911 1  
M8 44 −1567.829 p0 = 0.91839 p = 29.41052 q = 99.00000   M7 vs. M8 0.000002362 35 S 0.936, 42 R 0.963*, 98 H 0.701, 129 Q 0.685, 177 S 0.616, 181 S 0.765, 184 N 0.519, 185 A 1.000**, 187 A 0.905
(p1 = 0.08161) ω = 3.72034   
M7 42 − 1580.784 p= 0.07226 q= 0.08717 Not Allowed
M8a 43 −1576.468 p0 = 0.82999 p = 13.67839 q = 99.00000 M8a vs. M8 0.000032257 Not Allowed
(p1 = 0.17001) ω = 1.00000
  1. Note:
  2. [] – No data available
  3. np represents the degree of freedom
  4. Positively selected sites (* p > 95%; ** p > 99%)