生态科学2003，Vol.22Issue(2)：113-115,129,4.
连香树科及其近缘植物matK序列分析和系统学意义
Phylogenetic Affinities of Cercidiphyllaceae Based on matK Sequences
摘要
Abstract
To further resolve the phylogenetic affinities of Cercidiphyllaceae, matK gene sequences generated forTetracentraceae, Daphniphyllaceae, Cercidiphyllaceae and Liquidambar, Rhodoleia and Hamamelis of Hamamelidaceae, wefeanalyzed using Neighbor-Joining method with Magnolia as an outgroup. The matK consensus tree displays similar topology tothose of rbcL, atpB, and 18S rDNA sequences analyses respectively and combined with greater phylogenetic resolution. Itshows that Cercidiphyllaceae, Daphniphylliaceae and Hamamelidaceae formed a robust clade, but relationships among them arenot resolved; the phylogenetic relationships of Tetracentraceae to Cercidiphyllaceae are not so closed as traditional treatment.Thus, several lines of evidence, derived from both the chloroplast genome and 18S rDNA sequences, suggest the presence ofconsiderably phylogenetic affinities between Cercidiphyllaceae, Daphniphyllaceae, and Hamamelidaceae, further informationon some other quickly-evolved genes are needed to resolve phylogenetic relationships among them. The study corroborates theidea that matK sequences have potential in resolving phylogeny at family level.关键词
连香树科/交让木科/金缕梅科/matK/系统发育Key words
Cercidiphyllaceae/Daphniphyllaceae/Hamamelidaceae/matK/Phylogeny分类
农业科技引用本文复制引用
章群,聂湘平,施苏华,黄椰林,谈凤笑,张宏达..连香树科及其近缘植物matK序列分析和系统学意义[J].生态科学,2003,22(2):113-115,129,4.基金项目
国家杰出青年基金(39825104),国家自然科学基金(30070053,40106014) （39825104）
广东省自然科学基金(000760)资助项目. （000760）
