Yuan Yuan

Hainan University

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Fu-Lai Yu

Tropical Crops Genetic Resources Institute

Yuxin Pang

Harbin Medical University

Yingbo Zhang

Sichuan University

Xuan Hu

Guizhou University

Dan Wang

Xiangya Hospital Central South University

Chao Yuan

Chinese Academy of Tropical Agricultural Sciences

Xiao-lu Chen

Tropical Crops Genetic Resources Institute

Lingliang Guan

Tropical Crops Genetic Resources Institute

Muhuo Liu

South China Agricultural University

Kinkar Ch. Das

Sungkyunkwan University

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Tropical Crops Genetic Resources Institute

Chinese Academy of Tropical Agricultural Sciences

Ministry of Agriculture and Rural Affairs

Guizhou University

Harbin Medical University

Henan Agricultural University

Beijing University of Chinese Medicine

Huazhong Agricultural University

Peking University

Peking University Third Hospital

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The fan graph is determined by its signless Laplacian spectrum

Czechoslovak Mathematical Journal (2019)

Muhuo Liu Yuan Yuan Kinkar Ch. Das

10.21136/cmj.2019.0159-18

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Phylogenetic Reconstruction and Divergence Time Estimation of Blumea DC. (Asteraceae: Inuleae) in China Based on nrDNA ITS and cpDNA trnL-F Sequences

Plants (2019)

Yingbo Zhang Yuan Yuan Yuxin Pang Fu-Lai Yu Chao Yuan

The genus Blumea is one of the most economically important genera of Inuleae (Asteraceae) in China. It is particularly diverse in South China, where 30 species are found, more than half of which are used as herbal medicines or in the chemical industry. However, little is known regarding the phylogenetic relationships and molecular evolution of this genus in China. We used nuclear ribosomal DNA (nrDNA) internal transcribed spacer (ITS) and chloroplast DNA (cpDNA) trnL-F sequences to reconstruct the phylogenetic relationship and estimate the divergence time of Blumea in China. The results indicated that the genus Blumea is monophyletic and it could be divided into two clades that differ with respect to the habitat, morphology, chromosome type, and chemical composition of their members. The divergence time of Blumea was estimated based on the two root times of Asteraceae. The results indicated that the root age of Asteraceae of 76-66 Ma may maintain relatively accurate divergence time estimation for Blumea, and Blumea might had diverged around 49.00-18.43 Ma. This common ancestor had an explosive expansion during the Oligocene and Miocene and two major clades were differentiated during these epochs 29.60 Ma (17.76-45.23 Ma 95% HPD (Highest Posterior Density). Evidence from paleogeography and paleoclimate studies has confirmed that Blumea experienced differentiation and an explosive expansion during the Oligocene and Miocene.

Monophyly

Molecular Phylogenetics

Divergence (linguistics)

Scoparia

10.3390/plants8070210

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Citations (13)

Phylogenetic reconstruction and divergence time estimation of Blumea DC. (Asteraceae: Inuleae) in China based on nrDNA ITS and cpDNA trnL-F sequences

bioRxiv (Cold Spring Harbor Laboratory) (2018)

Yingbo Zhang Yuan Yuan Yuxin Pang Fu-Lai Yu Dan Wang

The genus Blumea DC. is one of the economically most important genera of Inuleae (Asteraceae) in China. It is particularly diverse in south China, where 30 species occur, more than half of which are used as herbal medicine or in the chemical industry. However, little is known about the phylogenetic relationships and molecular evolution of this genus in China. We used nuclear ribosomal DNA (nrDNA) internal transcribed spacer (ITS) and chloroplast DNA (cpDNA) trnL-F sequences to reconstruct the phylogenetic relationship and estimate the divergence time of Blumea DC. in China. Results indicated the genus of Blumea DC. was monophyletic and could be divided into two clades, the two clades were resolved that differ with respect to habitat, morphology, chromosome type and chemical composition, of their members. Furthermore, based on the two root time of Asteraceae, the divergence time of Blumea DC. were compare estimated. Results indicated the most recent common ancestor of Asteraceae maybe originated from 76-66 Ma, and Blumea DC. maybe originated from 72.71-52.42 Ma, and had an explosive expansion during Oligocene and Miocene (30.09-11.44 Ma), two major clades were differentiated during the Palaeocene and Oligocene (66.29-46.72 Ma), also the evidence from paleogeography and paleoclimate also supported Blumea DC. had an differentiation and explosive expansion during Oligocene and Miocene.

Monophyly

Molecular Phylogenetics

10.1101/497073

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Citations (2)