文献类型：期刊文献

英文题名：Genetic differences among populations of Gynura procumbens (Lour.) Merr

作者：Yu, Jiangfan[1] Tan, Xinjian[2] Huang, Dunyuan[3] Zhong, Qiuping[2] Gu, Ping[3] Zhou, Youcheng[2] Cao, Linqing[2] Wang, Liyun[2] Wan, Xirui[2] Chen, Chuansong[2] Yuan, Yaqi[2] Guo, Hongyan[2] Yan, Chao[2] Wang, Jinfeng[2] Ge, Xiaoning[2]

第一作者：Yu, Jiangfan

通信作者：Tan, XJ[1];Ge, XN[1]

机构：[1]Nanchang Inst Technol, Nanchang 330044, Jiangxi, Peoples R China;[2]Chinese Acad Forestry, Expt Ctr Subtrop Forestry, Fenyi 336600, Jiangxi, Peoples R China;[3]Chongqing Normal Univ, Chongqing 401331, Peoples R China

年份：2023

外文期刊名：GENETIC RESOURCES AND CROP EVOLUTION

收录：;Scopus(收录号：2-s2.0-85170843248);WOS:【SCI-EXPANDED(收录号:WOS:001068065400003)】；

语种：英文

外文关键词：Genetic difference; Geographical region; Gynura procumbens; ITS sequence; Population distribution; TrnL-trnF sequence

摘要：In this study, genetic differences among 24 populations of Gynura procumbens from different geographical regions were studied using internal transcribed spacer (ITS) and trnL-trnF sequences. The ITS sequence had an aligned length of 718 bp and a G+ C content of 49.8%, with five variable sites and three parsimonious informative sites. The trnL-trnF sequence had an aligned length of 835 bp and a G+ C content of 35.0%, with six variable sites and three parsimonious informative sites. The phylogenetic tree based on trnL-trnF sequences showed that all populations of G. procumbens clustered into one branch, indicating that this sequence has strong identification abilities in genetic difference research. Phylogenetic analysis using both ITS and trnL-trnF sequences showed similar results. Populations collected from Taiwan and Indonesia were grouped into one clade, whereas those collected from Guizhou, Guangxi, Fujian, and Guangdong shared close relationships corresponding to their geographical distribution patterns.