基于叶绿体DNA变异的山荆子种质遗传多样性和系统演化

高源,王大江,王昆,丛佩华,张彩霞,李连文,朴继成

Genetic Diversity and Phylogenetics of Malus baccata (L.) Borkh Revealed by Chloroplast DNA Variation

Yuan GAO,DaJiang WANG,Kun WANG,PeiHua CONG,CaiXia ZHANG,LianWen LI,JiCheng PIAO

表3 供试山荆子的4个cpDNA区域的多态性信息

Table 3 The polymorphic information of four cpDNA regions of Malus baccata detected in this study

叶绿体DNA区域 cpDNA regions 片段长度 Length of fragment (bp) 变异位点 Variable sites (Vs) 单一突变位点 Singleton variable sites (Ss) 简约信息位点 Parsimony informative sites (Ps) 插入-缺失位点 Insertion-deletion gaps (Is) 核苷酸多样性 Nucleotide diversity (Pi) 平均核苷酸差异 Average number of nucleotide difference (K) trnH-psbA 285 26 0 2 24 0.00913 3.13236 trnS-trnG spacer+intron 1383 32 1 5 26 0.00311 4.52649 trnT-5' trnL 1140 103 0 11 92 0.01174 15.68937 5' trnL-trnF 965 10 0 2 8 0.00045 0.44216 组合 Combined 3773 171 1 20 150 0.00577 23.79039