西部林业科学
西部林業科學
서부임업과학
JOURNAL OF WEST CHINA FORESTRY SCIENCE
2015年
1期
16-21
,共6页
周先容%尚进%陈发波%宋晓宏%江波
週先容%尚進%陳髮波%宋曉宏%江波
주선용%상진%진발파%송효굉%강파
巴山榧树%地理种群%近缘种%psbA-trnH序列%系统发育树
巴山榧樹%地理種群%近緣種%psbA-trnH序列%繫統髮育樹
파산비수%지리충군%근연충%psbA-trnH서렬%계통발육수
Torreya fargesii%geographical populations%closely related species%psbA-trnH sequence%phyloge-netic tree
采用PCR产物直接测序法对巴山榧树12个地理种群的叶绿体psbA-trnH序列进行了测定,并从Gen Bank搜索并下载巴山榧树近缘种的psbA-trnH序列,运用Clustal X和MEGA 4.1软件分析和构建系统发育树。结果表明,巴山榧树12个地理种群间的遗传分化程度较低;巴山榧树与云南榧、日本榧树的亲缘关系较近,而与长叶榧、榧树、加州榧和佛罗里达榧的亲缘关系较远。研究结果为进一步探讨巴山榧树分子谱系地理学及榧树属的分子系统发育提供了理论依据。
採用PCR產物直接測序法對巴山榧樹12箇地理種群的葉綠體psbA-trnH序列進行瞭測定,併從Gen Bank搜索併下載巴山榧樹近緣種的psbA-trnH序列,運用Clustal X和MEGA 4.1軟件分析和構建繫統髮育樹。結果錶明,巴山榧樹12箇地理種群間的遺傳分化程度較低;巴山榧樹與雲南榧、日本榧樹的親緣關繫較近,而與長葉榧、榧樹、加州榧和彿囉裏達榧的親緣關繫較遠。研究結果為進一步探討巴山榧樹分子譜繫地理學及榧樹屬的分子繫統髮育提供瞭理論依據。
채용PCR산물직접측서법대파산비수12개지리충군적협록체psbA-trnH서렬진행료측정,병종Gen Bank수색병하재파산비수근연충적psbA-trnH서렬,운용Clustal X화MEGA 4.1연건분석화구건계통발육수。결과표명,파산비수12개지리충군간적유전분화정도교저;파산비수여운남비、일본비수적친연관계교근,이여장협비、비수、가주비화불라리체비적친연관계교원。연구결과위진일보탐토파산비수분자보계지이학급비수속적분자계통발육제공료이론의거。
Chloroplast psbA-trnH intergenic spacer sequences of 12 geographical populations of Torreya fargesii were sequenced by using PCR products sequencing method.psbA-trnH sequences of its closely related species were retrieved from GenBank.Clustal X and MEGA 4.1 were used to analyze the psbA-trnH sequences among these geo-graphical populations of T.fargesii and its closely related species, and to construct its phylogenetic tree.The re-sults showed that genetic differentiation among 12 geographical populations of T.fargesii was low.T.fargesii had close corelation with T.fargesii var.yunnanensis and T.nucifera, but had minor corelation with T.jackii, T.grandis, T.californica and T.taxifolia.The results of this research could provide theoretical foundation for fur-ther investigation on molecular phylogeography of T.fargesii and phylogeny of Torreya.