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Zhang J, Hu X, Wang P, Huang B, Sun W, Xiong C, Hu Z, Chen S. Investigation on Species Authenticity for Herbal Products of Celastrus Orbiculatus and Tripterygum Wilfordii from Markets Using ITS2 Barcoding. Molecules 2018; 23:molecules23040967. [PMID: 29690494 PMCID: PMC6017776 DOI: 10.3390/molecules23040967] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2018] [Revised: 04/07/2018] [Accepted: 04/13/2018] [Indexed: 11/19/2022] Open
Abstract
Herbal material is both a medicine and a commodity. Accurate identification of herbal materials is necessary to ensure the safety and effectiveness of medication. With this work, we initiated an identification method to investigate the species authenticity for herbal products of Celastrus orbiculatus and Tripterygum wilfordii utilizing DNA barcoding technology. An ITS2 (internal transcribed spacer two) barcode database including 59 sequences was successfully established to estimate the reliability of species-level identification for Celastrus and Tripterygium. Our findings showed that ITS2 can effectively and clearly distinguish C. orbiculatus, T. wilfordii and its congeners. Then, we investigated the proportions and varieties of adulterant species in the herbal markets. The data from ITS2 region indicated that 13 (62%) of the 21 samples labeled as “Nan-she-teng” and eight (31%) of the 26 samples labeled as “Lei-gong-teng” were authentic; the remaining were adulterants. Of the 47 herbal products, approximately 55% of the product identity were not in accordance with the label. In summary, we support the efficacy of the ITS2 barcode for the traceability of C. orbiculatus and T. wilfordii, and the present study provides one method and reference for the identification of the herbal materials and adulterants in the medicinal markets.
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Affiliation(s)
- Jingjing Zhang
- College of Pharmacy, Hubei University of Chinese Medicine, No. 1 Huangjiahu West Road, Hongshan District, Wuhan 430065, China.
- Zhang Zhongjing Traditional Chinese Medicine College, Henan Key Laboratory of Zhang Zhongjing Formulae and Herbs for Immunoregulation, Nanyang Institute of Technology, No. 80 Changjiang Road, Wancheng District, Nanyang 473004, China.
| | - Xin Hu
- College of Pharmacy, Hubei University of Chinese Medicine, No. 1 Huangjiahu West Road, Hongshan District, Wuhan 430065, China.
| | - Ping Wang
- College of Pharmacy, Hubei University of Chinese Medicine, No. 1 Huangjiahu West Road, Hongshan District, Wuhan 430065, China.
| | - Bisheng Huang
- College of Pharmacy, Hubei University of Chinese Medicine, No. 1 Huangjiahu West Road, Hongshan District, Wuhan 430065, China.
| | - Wei Sun
- Institute of Chinese Materia Medica, China Academy of Chinese Medicinal Sciences, No.16 Dongzhimenneinanxiaojie street, Dongcheng District, Beijing 100700, China.
| | - Chao Xiong
- College of Pharmacy, Hubei University of Chinese Medicine, No. 1 Huangjiahu West Road, Hongshan District, Wuhan 430065, China.
| | - Zhigang Hu
- College of Pharmacy, Hubei University of Chinese Medicine, No. 1 Huangjiahu West Road, Hongshan District, Wuhan 430065, China.
- Zhan Yahua National Famous Traditional Chinese Medicine Experts Inheritance Studio, No. 1 Huangjiahu West Road, Hongshan District, Wuhan 430065, China.
| | - Shilin Chen
- College of Pharmacy, Hubei University of Chinese Medicine, No. 1 Huangjiahu West Road, Hongshan District, Wuhan 430065, China.
- Institute of Chinese Materia Medica, China Academy of Chinese Medicinal Sciences, No.16 Dongzhimenneinanxiaojie street, Dongcheng District, Beijing 100700, China.
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102
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Jiang P, Shi FX, Li MR, Liu B, Wen J, Xiao HX, Li LF. Positive Selection Driving Cytoplasmic Genome Evolution of the Medicinally Important Ginseng Plant Genus Panax. FRONTIERS IN PLANT SCIENCE 2018; 9:359. [PMID: 29670636 PMCID: PMC5893753 DOI: 10.3389/fpls.2018.00359] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/07/2018] [Accepted: 03/05/2018] [Indexed: 05/30/2023]
Abstract
Panax L. (the ginseng genus) is a shade-demanding group within the family Araliaceae and all of its species are of crucial significance in traditional Chinese medicine. Phylogenetic and biogeographic analyses demonstrated that two rounds of whole genome duplications accompanying with geographic and ecological isolations promoted the diversification of Panax species. However, contributions of the cytoplasmic genomes to the adaptive evolution of Panax species remained largely uninvestigated. In this study, we sequenced the chloroplast and mitochondrial genomes of 11 accessions belonging to seven Panax species. Our results show that heterogeneity in nucleotide substitution rate is abundant in both of the two cytoplasmic genomes, with the mitochondrial genome possessing more variants at the total level but the chloroplast showing higher sequence polymorphisms at the genic regions. Genome-wide scanning of positive selection identified five and 12 genes from the chloroplast and mitochondrial genomes, respectively. Functional analyses further revealed that these selected genes play important roles in plant development, cellular metabolism and adaptation. We therefore conclude that positive selection might be one of the potential evolutionary forces that shaped nucleotide variation pattern of these Panax species. In particular, the mitochondrial genes evolved under stronger selective pressure compared to the chloroplast genes.
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Affiliation(s)
- Peng Jiang
- Key Laboratory of Molecular Epigenetics of the Ministry of Education, Northeast Normal University, Changchun, China
| | - Feng-Xue Shi
- Northeast Normal University Natural History Museum, Changchun, China
| | - Ming-Rui Li
- Ministry of Education Key Laboratory for Biodiversity Science and Ecological Engineering, School of Life Sciences, Fudan University, Shanghai, China
| | - Bao Liu
- Key Laboratory of Molecular Epigenetics of the Ministry of Education, Northeast Normal University, Changchun, China
| | - Jun Wen
- Department of Botany, National Museum of Natural History, Smithsonian Institution, Washington, DC, United States
| | - Hong-Xing Xiao
- Key Laboratory of Molecular Epigenetics of the Ministry of Education, Northeast Normal University, Changchun, China
| | - Lin-Feng Li
- Ministry of Education Key Laboratory for Biodiversity Science and Ecological Engineering, School of Life Sciences, Fudan University, Shanghai, China
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103
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Lin Y, Wang K, Li X, Sun C, Yin R, Wang Y, Wang Y, Zhang M. Evolution, functional differentiation, and co-expression of the RLK gene family revealed in Jilin ginseng, Panax ginseng C.A. Meyer. Mol Genet Genomics 2018; 293:845-859. [PMID: 29468273 PMCID: PMC6061065 DOI: 10.1007/s00438-018-1425-6] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2017] [Accepted: 02/03/2018] [Indexed: 12/18/2022]
Abstract
Most genes in a genome exist in the form of a gene family; therefore, it is necessary to have knowledge of how a gene family functions to comprehensively understand organismal biology. The receptor-like kinase (RLK)-encoding gene family is one of the most important gene families in plants. It plays important roles in biotic and abiotic stress tolerances, and growth and development. However, little is known about the functional differentiation and relationships among the gene members within a gene family in plants. This study has isolated 563 RLK genes (designated as PgRLK genes) expressed in Jilin ginseng (Panax ginseng C.A. Meyer), investigated their evolution, and deciphered their functional diversification and relationships. The PgRLK gene family is highly diverged and formed into eight types. The LRR type is the earliest and most prevalent, while only the Lec type originated after P. ginseng evolved. Furthermore, although the members of the PgRLK gene family all encode receptor-like protein kinases and share conservative domains, they are functionally very diverse, participating in numerous biological processes. The expressions of different members of the PgRLK gene family are extremely variable within a tissue, at a developmental stage and in the same cultivar, but most of the genes tend to express correlatively, forming a co-expression network. These results not only provide a deeper and comprehensive understanding of the evolution, functional differentiation and correlation of a gene family in plants, but also an RLK genic resource useful for enhanced ginseng genetic improvement.
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Affiliation(s)
- Yanping Lin
- College of Life Science, Jilin Agricultural University, 2888 Xincheng Street, Changchun, 130118, Jilin, China.,Research Center of Ginseng Genetic Resources Development and Utilization, 2888 Xincheng Street, Changchun, 130118, Jilin, China
| | - Kangyu Wang
- College of Life Science, Jilin Agricultural University, 2888 Xincheng Street, Changchun, 130118, Jilin, China.,Research Center of Ginseng Genetic Resources Development and Utilization, 2888 Xincheng Street, Changchun, 130118, Jilin, China
| | - Xiangyu Li
- College of Life Science, Jilin Agricultural University, 2888 Xincheng Street, Changchun, 130118, Jilin, China.,Research Center of Ginseng Genetic Resources Development and Utilization, 2888 Xincheng Street, Changchun, 130118, Jilin, China
| | - Chunyu Sun
- College of Life Science, Jilin Agricultural University, 2888 Xincheng Street, Changchun, 130118, Jilin, China.,Research Center of Ginseng Genetic Resources Development and Utilization, 2888 Xincheng Street, Changchun, 130118, Jilin, China
| | - Rui Yin
- College of Life Science, Jilin Agricultural University, 2888 Xincheng Street, Changchun, 130118, Jilin, China.,Research Center of Ginseng Genetic Resources Development and Utilization, 2888 Xincheng Street, Changchun, 130118, Jilin, China
| | - Yanfang Wang
- College of Chinese Medicinal Materials, Jilin Agricultural University, Changchun, 130118, Jilin, China
| | - Yi Wang
- College of Life Science, Jilin Agricultural University, 2888 Xincheng Street, Changchun, 130118, Jilin, China. .,Research Center of Ginseng Genetic Resources Development and Utilization, 2888 Xincheng Street, Changchun, 130118, Jilin, China.
| | - Meiping Zhang
- College of Life Science, Jilin Agricultural University, 2888 Xincheng Street, Changchun, 130118, Jilin, China. .,Research Center of Ginseng Genetic Resources Development and Utilization, 2888 Xincheng Street, Changchun, 130118, Jilin, China.
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104
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Guo S, Guo L, Zhao W, Xu J, Li Y, Zhang X, Shen X, Wu M, Hou X. Complete Chloroplast Genome Sequence and Phylogenetic Analysis of Paeonia ostii. Molecules 2018; 23:molecules23020246. [PMID: 29373520 PMCID: PMC6017096 DOI: 10.3390/molecules23020246] [Citation(s) in RCA: 44] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2017] [Revised: 01/20/2018] [Accepted: 01/24/2018] [Indexed: 01/21/2023] Open
Abstract
Paeonia ostii, a common oil-tree peony, is important ornamentally and medicinally. However, there are few studies on the chloroplast genome of Paeonia ostii. We sequenced and analyzed the complete chloroplast genome of P. ostii. The size of the P. ostii chloroplast genome is 152,153 bp, including a large single-copy region (85,373 bp), a small single-copy region (17,054 bp), and a pair of inverted repeats regions (24,863 bp). The P. ostii chloroplast genome encodes 111 genes, including 77 protein-coding genes, four ribosomal RNA genes, and 30 transfer RNA genes. The genome contains forward repeats (22), palindromic repeats (28), and tandem repeats (24). The presence of rich simple-sequence repeat loci in the genome provides opportunities for future population genetics work for breeding new varieties. A phylogenetic analysis showed that P. ostii is more closely related to Paeonia delavayi and Paeonialudlowii than to Paeoniaobovata and Paeoniaveitchii. The results of this study provide an assembly of the whole chloroplast genome of P. ostii, which may be useful for future breeding and further biological discoveries. It will provide a theoretical basis for the improvement of peony yield and the determination of phylogenetic status.
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Affiliation(s)
- Shuai Guo
- College of Agricultural (College of Tree Peony), Henan University of Science and Technology, Luoyang 471023, Henan, China; (S.G.); (L.G.); (W.Z.); (Y.L.)
- Institute of Chinese Materia Medical, China Academy of Chinese Medical Sciences, Beijing 100700, China; (J.X.); (X.Z); (X.S.); (M.W.)
| | - Lili Guo
- College of Agricultural (College of Tree Peony), Henan University of Science and Technology, Luoyang 471023, Henan, China; (S.G.); (L.G.); (W.Z.); (Y.L.)
| | - Wei Zhao
- College of Agricultural (College of Tree Peony), Henan University of Science and Technology, Luoyang 471023, Henan, China; (S.G.); (L.G.); (W.Z.); (Y.L.)
| | - Jiang Xu
- Institute of Chinese Materia Medical, China Academy of Chinese Medical Sciences, Beijing 100700, China; (J.X.); (X.Z); (X.S.); (M.W.)
| | - Yuying Li
- College of Agricultural (College of Tree Peony), Henan University of Science and Technology, Luoyang 471023, Henan, China; (S.G.); (L.G.); (W.Z.); (Y.L.)
| | - Xiaoyan Zhang
- Institute of Chinese Materia Medical, China Academy of Chinese Medical Sciences, Beijing 100700, China; (J.X.); (X.Z); (X.S.); (M.W.)
- College of Life Science, Huaibei Normal University, Huaibei 235000, Anhui, China
| | - Xiaofeng Shen
- Institute of Chinese Materia Medical, China Academy of Chinese Medical Sciences, Beijing 100700, China; (J.X.); (X.Z); (X.S.); (M.W.)
| | - Mingli Wu
- Institute of Chinese Materia Medical, China Academy of Chinese Medical Sciences, Beijing 100700, China; (J.X.); (X.Z); (X.S.); (M.W.)
- College of Pharmacy, Hubei University of Chinese Medicine, Wuhan 430065, Hubei China
| | - Xiaogai Hou
- College of Agricultural (College of Tree Peony), Henan University of Science and Technology, Luoyang 471023, Henan, China; (S.G.); (L.G.); (W.Z.); (Y.L.)
- Correspondence: ; Tel: +86-0379-6998-0776
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