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The Complete Plastome Sequences of Seven Species in Gentiana sect. Kudoa (Gentianaceae): Insights Into Plastid Gene Loss and Molecular Evolution
Sun, Shan-Shan1; Fu, Peng-Cheng1; Zhou, Xiao-Jun1; Cheng, Yan-Wei1; Zhang, Fa-Qi2,3; Chen, Shi-Long2; Gao, Qing-Bo2,3
2018-05-01
发表期刊FRONTIERS IN PLANT SCIENCE
ISSN1664-462X
卷号9
文章类型Article
摘要The chloroplast (cp) genome is useful in the study of phylogenomics, molecular dating, and molecular evolution. Gentiana sect. Kudoa is a predominantly alpine flowering plant that is valued for its contributions to medicine, ecology, and horticulture. Previous evolutionary studies showed that the plastid gene loss pattern and intra-sectional phylogenetics in sect. Kudoa are still unclear. In this study, we compared 11 Gentiana plastomes, including 7 newly sequenced plastomes from sect. Kudoa, to represent its three serious: ser. Ornatae, ser. Verticillatae, and ser. Monanthae. The cp genome sizes of the seven species ranged from 137,278 to 147,156 bp. The plastome size variation mainly occurred in the small single-copy and long single-copy regions rather than the inverted repeat regions. Compared with sect. Cruciata, the plastomes in ser. Ornatae and ser. Verticillatae had lost approximately 11 kb of sequences containing 11 ndh genes. Conversely, far fewer losses were observed in ser. Monanthae. The phylogenetic tree revealed that sect. Kudoa was not monophyletic and that ser. Monanthae was more closely related to other sections rather than sect. Kudoa. The molecular dating analysis indicated that ser. Monanthae and sect. Kudoa diverged around 8.23 Ma. In ser. Ornatae and ser. Verticillatae, the divergence occurred at around 0.07-1.78 Ma. The nucleotide diversity analysis indicated that the intergenic regions trnH-psbA, trnK-trnQ, ycf3-trnS and rpl32-trnL constituted divergence hotspots in both sect. Kudoa and Gentiana, and would be useful for future phylogenetic and population genetic studies.
关键词Evolution Gene Loss Gentiana Sect. Kudoa Plastome
WOS标题词Science & Technology ; Life Sciences & Biomedicine
DOI10.3389/fpls.2018.00493
关键词[WOS]QINGHAI-TIBETAN PLATEAU ; CHLOROPLAST GENOME ; NDH GENES ; INVERTED REPEAT ; PLANT EVOLUTION ; DNA ; PHYLOGENOMICS ; ORGANIZATION ; ORCHIDACEAE ; NUCLEAR
收录类别SCI
语种英语
项目资助者National Natural Science Foundation of China(31600296 ; Science and Technology Project of Henan Province, China(162102110097) ; Educational Commission of Henan Province(16A210033) ; Open Project of Qinghai Provincial Key Laboratory of Crop Molecular Breeding(2017-ZJ-Y14) ; 31400322)
WOS研究方向Plant Sciences
WOS类目Plant Sciences
WOS记录号WOS:000431132200001
出版者FRONTIERS MEDIA SA
引用统计
被引频次:2[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://210.75.249.4/handle/363003/13825
专题中国科学院西北高原生物研究所
通讯作者Gao, Qing-Bo
作者单位1.Luoyang Normal Univ, Coll Life Sci, Luoyang, Peoples R China
2.Chinese Acad Sci, Northwest Inst Plateau Biol, Key Lab Adaptat & Evolut Plateau Biota, Xining, Qinghai, Peoples R China
3.Qinghai Prov Key Lab Crop Mol Breeding, Xining, Qinghai, Peoples R China
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Sun, Shan-Shan,Fu, Peng-Cheng,Zhou, Xiao-Jun,et al. The Complete Plastome Sequences of Seven Species in Gentiana sect. Kudoa (Gentianaceae): Insights Into Plastid Gene Loss and Molecular Evolution[J]. FRONTIERS IN PLANT SCIENCE,2018,9.
APA Sun, Shan-Shan.,Fu, Peng-Cheng.,Zhou, Xiao-Jun.,Cheng, Yan-Wei.,Zhang, Fa-Qi.,...&Gao, Qing-Bo.(2018).The Complete Plastome Sequences of Seven Species in Gentiana sect. Kudoa (Gentianaceae): Insights Into Plastid Gene Loss and Molecular Evolution.FRONTIERS IN PLANT SCIENCE,9.
MLA Sun, Shan-Shan,et al."The Complete Plastome Sequences of Seven Species in Gentiana sect. Kudoa (Gentianaceae): Insights Into Plastid Gene Loss and Molecular Evolution".FRONTIERS IN PLANT SCIENCE 9(2018).
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