Complete chloroplast genome sequence of Magnolia grandiflora and comparative analysis with related species

查看全文 作　　者：LI [1,2]XiWen;GAO [1,3]HuanHuan;WANG [2]YiTao;SONG [1]JingYuan;HENRY [4]Robert;WU [3]HeZhen;HU [3]ZhiGang;YAO [1]Hui;LUO [1]HongMei;LUO [1]Kun;PAN [3]HongLin;CHEN [1,5]ShiLin

机构地区：[1]Institute of Medicinal Plant Development,Chinese Academy of Medical Sciences;[2]Institute of Chinese Medical Science,University of Macao;[3]Faculty of Pharmacy,Hubei University of Chinese Medicine;[4]Queensland Alliance for Agriculture and Food Innovation,University of Queensland;[5]Institute of Chinese Materia Medica,China Academy of Chinese Medical Sciences

出　　处：《Science China(Life Sciences)》索引2013年第56卷第2期,共10页

基　　金：supported by the National Natural Science Foundation of China (30970307, 81130069);the Innovation Research Team of the University of Ministry of Education of China (IRT1150) 摘　　要：Magnolia grandiflora is an important medicinal,ornamental and horticultural plant species.The chloroplast(cp) genome of M.grandiflora was sequenced using a 454 sequencing platform and the genome structure was compared with other related species.The complete cp genome of M.grandiflora was 159623 bp in length and contained a pair of inverted repeats(IR) of 26563 bp separated by large and small single copy(LSC,SSC) regions of 87757 and 18740 bp,respectively.A total of 129 genes were successfully annotated,18 of which included introns.The identity,number and GC content of M.grandiflora cp genes were similar to those of other Magnoliaceae species genomes.Analysis revealed 218 simple sequence repeat(SSR) loci,most composed of A or T,contributing to a bias in base composition.The types and abundances of repeat units in Magnoliaceae species were relatively conserved and these loci will be useful for developing M.grandiflora cp genome vectors.In addition,results indicated that the cp genome size in Magnoliaceae species and the position of the IR border were closely related to the length of the ycf1 gene.Phylogenetic analyses based on 66 shared genes from 30 species using maximum parsimony(MP) and maximum likelihood(ML) methods provided strong support for the phylogenetic position of Magnolia.The availability of the complete cp genome sequence of M.grandiflora provides valuable information for breeding of desirable varieties,cp genetic engineering,developing useful molecular markers and phylogenetic analyses in Magnoliaceae. 关键词：基因组序列叶绿体基因组广玉兰物种系统发育分析木兰科植物简单重复序列植物品种

相关文献

参考文献（35）
引证文献（20）
耦合文献（175）

参考文献(35)

引证文献(20)

耦合文献(175)

互联网出版许可证新出网证(渝)字10号全国400电话 - 免长途话费

Complete chloroplast genome sequence of Magnolia grandiflora and comparative analysis with related species

参考文献(35)

引证文献(20)

耦合文献(175)

用户提示