文献类型： 外文期刊
作者： Liang, Conglian 1 ; Wang, Lei 1 ; Ma, Weisi 3 ; Xu, Jiang 1 ;
作者机构： 1.China Acad Chinese Med Sci, Inst Chinese Mat Med, Beijing, Peoples R China
2.Shandong Univ Tradit Chinese Med, Coll Pharm, Jinan, Peoples R China
3.Yunnan Acad Agr Sci, Med Plants Res Inst, Kunming, Yunnan, Peoples R China
关键词： Salvia; Chloroplast genome; Comparative analysis; Structure characteristic; Repeat sequence; Variable site
期刊名称：JOURNAL OF PLANT BIOCHEMISTRY AND BIOTECHNOLOGY （ 影响因子：1.175； 五年影响因子：1.238 ）
ISSN： 0971-7811
年卷期：
页码：
收录情况： SCI
摘要： Salviais the largest genus of plants in the mint family (Labiatae). Its systematic classification, species identification and resource utilization have not been studied deeply. The chloroplast genome (CG) can reveal the taxonomic position of a species.Salvia yunnanensis, S. roborowskiiandS. prattiihave medicinal importance. Here, we decoded them using the Hiseq sequencing platform (Illumina) and bioinformatics methods, and compared them with the CGs of six other CGs ofSalviadecoded previously. The size of these nine CGs varied from a maximum of 151,089 bp to a minimum of 153,995 bp, and their structures were typically quadripartite. Each CG shared 114 identical unique genes (44 photosynthesis-related genes, 25 transcription- and translation-related genes, 34 RNA genes, six genes of unknown function, and five other genes). The AT content was higher than the guanine-cytosine content, whether in the whole CG or in codon regions. Some simple sequence repeats, tandem repeats as well as forward, reverse, complement, and palindromic repeats were detected in nine CGs. Comparative CG analyses showed that the intergenic spacers ofrps16-trnQ, psbA-ycf3, ycf4-cemA, trnV-ndhC, ndhD-ndhEand some genes (ycf1, ndhF, rpoC2) had more variable sites. All nineSalviaspecies formed a robust monophyletic branch in our phylogenetic tree, and our study supports the notion thatS. officinalisshould be divided into a new subgenus. These data provide molecular support for the systematic classification, species identification, resource utilization and breeding of this genus in the future.
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