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Position: Home > Articles > ITS Sequence Analysis of 6'-O-caffeoylarbutin in high-yielding plant of Vaccinium dunalianum var.dunalianum Journal of West China Forestry Science 2013,42 (4) 52-57

樟叶越桔ITS序列及6’-O-咖啡酰熊果苷含量分析

作  者:
尹继庭;孙浩;丁勇;赵平
单  位:
西南林业大学生命科学学院;西南林业大学西南山地森林资源保育与利用省部共建教育部重点实验室;西南林业大学云南生物多样性研究院
关键词:
杜鹃花科;樟叶越桔;6’-O-咖啡酰熊果苷;内转录间隔区
摘  要:
2012年首次对杜鹃花科越桔属植物樟叶越桔原变种6’-O-咖啡酰熊果苷高产株的内转录间隔区(ITS)序列进行了PCR扩增和序列测定。通过BLAST同源搜索,采用邻位相连法构建了与其亲缘关系接近的越桔属8个种(或变种)的系统发育树,并分析了它们的亲缘关系。结果表明,参试材料与GenBank登记的长尾叶越桔(变种)和樟叶越桔ITS序列的同源性高达99%,显然属于种内变异水平。参试样本与长尾叶越桔(变种)和樟叶越桔的亲缘关系较近,遗传距离分别为0.008和0.010。研究结果将为寻找6’-O-咖啡酰熊果苷高产性状的近缘替代资源提供参考。
译  名:
ITS Sequence Analysis of 6'-O-caffeoylarbutin in high-yielding plant of Vaccinium dunalianum var.dunalianum
作  者:
YIN Ji-ting;SUN Hao;DING Yong;ZHAO Ping;Key Laboratory for Forest Resources Conservation and Use in the Southwest Mountains of China,Ministry of Education,Southwest Forestry University;Yunnan Academy of Biodiversity,Southwest Forestry University;Faculty of Life Sciences,Southwest Forestry University;
关键词:
Ericaceae;;Vaccinium dunalianum var.dunalianum;;6'-O-caffeoylarbutin;;ITS
摘  要:
The internal transcribed spacer( ITS) region sequence analysis of 6'-O-caffeoylarbutin in high-yielding plant of Vaccinium dunalianum var.dunalianum( Ericaceae) was studied for the first time in 2012.Using the BLAST homology search in GenBank,the phylogenetic tree between Vaccinium dunalianum var.dunalianum and other Vaccinium species was constructed by neighbor-joining method,to discuss the genetic relationships of the selected species.The results showed the ITS sequences homology between the experimental material and V.dunalianum var.caudatifolium and V.dunalianum was 99 %.It was obviously belong to intraspecific varivtion.V.dunalianum var.dunalianum had the shortest genetic distance( 0.008) to V.dunalianum var.caudatifolium,and 0.010 of genetic distance to V.dunalianum.It provided a useful reference for finding substitutable resources with high-yielding of 6'-O-caffeoylarbutin.

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