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Article

Complete Chloroplast Genome Sequence of Triosteum sinuatum, Insights into Comparative Chloroplast Genomics, Divergence Time Estimation and Phylogenetic Relationships among Dipsacales

1
State Key Laboratory of Plateau Ecology and Agriculture, Qinghai University, Xining 810008, China
2
College of Eco-Environmental Engineering, Qinghai University, Xining 810008, China
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Key Laboratory of Adaptation and Evolution of Plateau Biota, Northwest Institute of Plateau Biology, Chinese Academy of Sciences, Xining 810001, China
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Department of Geological Engineering, Qinghai University, Xining 810016, China
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Department of Botany, Women University of AJK, Bagh 12500, Pakistan
*
Author to whom correspondence should be addressed.
Academic Editor: Jacqueline Batley
Genes 2022, 13(5), 933; https://doi.org/10.3390/genes13050933
Received: 12 April 2022 / Revised: 6 May 2022 / Accepted: 17 May 2022 / Published: 23 May 2022
(This article belongs to the Section Plant Genetics and Genomics)
Triosteum himalayanum, Triosteum pinnatifidum (Triosteum L., Caprifoliaceae, Dipsacales) are widely distributed in China while Triosteum sinuatum mainly occurrs in northeast China. Few reports have been determined on the genus Triosteum. In the present research, we sequenced 2 chloroplast genomes of Triosteum and analyzed 18 chloroplast genomes, trying to explore the sequence variations and phylogeny of genus Triosteum in the order Dipsacales. The chloroplast genomes of the genus Triosteum ranged from 154,579 bp to 157,178 bp, consisting of 132 genes (86 protein-coding genes, 38 transfer RNA genes, and 8 ribosomal RNA genes). Comparative analyses and phylogenetic analysis supported the division of Dipsacales into two clades, Adoxaceae and six other families. Among the six families, a clade of Valerianaceae+Dipsacaceae was recovered as a sister to a clade of Morinaceae+Linnaeaceae. A closer relationship of T. himalayanum and T. pinnatifidum among three species was revealed. Our research supported that Loniceraferdinandi and Triosteum was closely related. Zabelia had a closer relationship with Linnaea borealis and Dipelta than Morinaceae. The divergence between T. sinuatum and two other species in Triosteum was dated to 13.4 mya. View Full-Text
Keywords: Triosteum L.; chloroplast genome; Dipsacales; phylogeny Triosteum L.; chloroplast genome; Dipsacales; phylogeny
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MDPI and ACS Style

Liu, H.; Liu, W.; Ahmad, I.; Xiao, Q.; Li, X.; Zhang, D.; Fang, J.; Zhang, G.; Xu, B.; Gao, Q.; Chen, S. Complete Chloroplast Genome Sequence of Triosteum sinuatum, Insights into Comparative Chloroplast Genomics, Divergence Time Estimation and Phylogenetic Relationships among Dipsacales. Genes 2022, 13, 933. https://doi.org/10.3390/genes13050933

AMA Style

Liu H, Liu W, Ahmad I, Xiao Q, Li X, Zhang D, Fang J, Zhang G, Xu B, Gao Q, Chen S. Complete Chloroplast Genome Sequence of Triosteum sinuatum, Insights into Comparative Chloroplast Genomics, Divergence Time Estimation and Phylogenetic Relationships among Dipsacales. Genes. 2022; 13(5):933. https://doi.org/10.3390/genes13050933

Chicago/Turabian Style

Liu, HaiRui, WenHui Liu, Israr Ahmad, QingMeng Xiao, XuMin Li, DeJun Zhang, Jie Fang, GuoFan Zhang, Bin Xu, QingBo Gao, and ShiLong Chen. 2022. "Complete Chloroplast Genome Sequence of Triosteum sinuatum, Insights into Comparative Chloroplast Genomics, Divergence Time Estimation and Phylogenetic Relationships among Dipsacales" Genes 13, no. 5: 933. https://doi.org/10.3390/genes13050933

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