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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
Source PublicationFRONTIERS IN PLANT SCIENCE
ISSN1664-462X
Volume9
SubtypeArticle
AbstractThe 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.
KeywordEvolution Gene Loss Gentiana Sect. Kudoa Plastome
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine
DOI10.3389/fpls.2018.00493
WOS KeywordQINGHAI-TIBETAN PLATEAU ; CHLOROPLAST GENOME ; NDH GENES ; INVERTED REPEAT ; PLANT EVOLUTION ; DNA ; PHYLOGENOMICS ; ORGANIZATION ; ORCHIDACEAE ; NUCLEAR
Indexed BySCI
Language英语
Funding OrganizationNational 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 Research AreaPlant Sciences
WOS SubjectPlant Sciences
WOS IDWOS:000431132200001
PublisherFRONTIERS MEDIA SA
Citation statistics
Cited Times:4[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://210.75.249.4/handle/363003/13825
Collection中国科学院西北高原生物研究所
Corresponding AuthorGao, Qing-Bo
Affiliation1.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
Recommended Citation
GB/T 7714
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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