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The complete plastome of Panax stipuleanatus: Comparative and phylogenetic analyses of the genus Panax (Araliaceae).
Liu, Changkun; Yang, Zhenyan; Yang, Lifang; Yang, Junbo; Ji, Yunheng
2018
Source PublicationPlant diversity
ISSN2468-2659
Volume40Issue:6Pages:265-276
AbstractPanax stipuleanatus (Araliaceae) is an endangered and medicinally important plant endemic to China. However, phylogenetic relationships within the genus Panax have remained unclear. In this study, we sequenced the complete plastome of P.stipuleanatus and included previously reported Panax plastomes to better understand the relationships between species and plastome evolution within the genus Panax. The plastome of P.stipuleanatus is 156,069 base pairs (bp) in length, consisting of a pair of inverted repeats (IRs, each 25,887bp) that divide the plastome into a large single copy region (LSC, 86,126bp) and a small single copy region (SSC, 8169bp). The plastome contains 114 unigenes (80 protein-coding genes, 30 tRNA genes, and 4 rRNA genes). Comparative analyses indicated that the plastome gene content and order, as well as the expansion/contraction of the IR regions, are all highly conserved within Panax. No significant positive selection in the plastid protein-coding genes was observed across the eight Panax species, suggesting the Panax plastomes may have undergone a strong purifying selection. Our phylogenomic analyses resulted in a phylogeny with high resolution and supports for Panax. Nine protein-coding genes and 10 non-coding regions presented high sequence divergence, which could be useful for identifying different Panax species.
Language英语
Document Type期刊论文
Identifierhttp://ir.kib.ac.cn/handle/151853/64775
Collection中国科学院昆明植物研究所
Recommended Citation
GB/T 7714
Liu, Changkun,Yang, Zhenyan,Yang, Lifang,et al. The complete plastome of Panax stipuleanatus: Comparative and phylogenetic analyses of the genus Panax (Araliaceae).[J]. Plant diversity,2018,40(6):265-276.
APA Liu, Changkun,Yang, Zhenyan,Yang, Lifang,Yang, Junbo,&Ji, Yunheng.(2018).The complete plastome of Panax stipuleanatus: Comparative and phylogenetic analyses of the genus Panax (Araliaceae)..Plant diversity,40(6),265-276.
MLA Liu, Changkun,et al."The complete plastome of Panax stipuleanatus: Comparative and phylogenetic analyses of the genus Panax (Araliaceae).".Plant diversity 40.6(2018):265-276.
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