Genome survey sequencing for the characterization of genetic background of Dracaena cambodiana and its defense response during dragon’s blood formation. Dracaena cambodiana Pierre ex Gagnepain (Asperagaceae), commonly known as the dragon blood tree is a vulnerable species and generally distributed in the escarpments of island-like limestone mountains in paleotropical Southeastern Asia. Evolutionary perspectives on the origins and conserv, Phylogeography of Southern European Refugia, (Asparagaceae): A species considered “Vulnerable” in Southeast, Fay, M.F. (Agavaceae), known as one of the dragon’s blood trees, is endemic to the Hainan is-land of China . Ying Luo et al. Join ResearchGate to find the people and research you need to help your work. ; Zhou, Cai, X.T. Dragon’s blood is a traditional medicine that is produced mainly from Dracaenas plants and is widely used in the world. Quarry Threat: Population size of dragon tree species in Assam is estimated to be less than 50 mature individuals and there is continuing decrease in its area of occupancy and number of mature individuals. Here, we generate the first draft genome reference assembly of an elite Chinese Dracaena species, Dracaena cambodiana, from next-generation sequencing data with, Dragon's blood is a traditional medicine and used in many countries with different cultures because of its various therapeutic properties. All authors have read and agreed to the published vers, of Tropical Agricultural Sciences (163005, of the botanical, phytochemical and pharmacological pr, dracorhodin perchlorate in zebrafish embryos: A novel bioactivity evalu. Journal of Asian Natural Products Research. Stimulation of dragon's blood accumulation in Dracaena cambodiana via fungal inoculation Jin-Long Cui a,b, Chun-Lan Wang a, Shun-Xing Guo a,⁎, Pei-Gen Xiao a, Meng-Liang Wang b a Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100193, PR China b Institute of Applied Chemistry, Shanxi University, Taiyuan 030006, PR China Sap of the plant species turns bright red after coming in contact with air. . Dracaena cochinchinensis and Dracaena cambodiana were successively discovered in southern China during the 1970s-1980s. Species identification is essential for TCM quality control because authentic herbs are possibly substituted with adulterants that would threaten the health of the public or even cause death. It contains the typical structure and gene content of angiosperm plastomes, including two Inverted Repeat (IR) regions of 26,526 bp, a Large Single-Copy (LSC) region of 84,988 bp and a Small Single-Copy (SSC) region of 18,657 bp. In addition, 96.57% of species could be successfully identified at the genus level by the BLAST method. Dracaena cambodiana Pierre ex Gagnep. Flavonoids from artificially induced dragon's blood of Dracaena cambodiana. ; Zhao, Y.X. and Dracaena cambodiana  . ; Kuo, C.H. DOI: 10.1371/journal.pone.0209258. This is because habitat of plant is severely fragmented due to open excavation of a stone quarry. The stem of these two, ]. Dragon’s blood that is extracted from Dracaena plants has been widely used as traditional medicine in various ancient cultures. (In fact, one of the most commonly grown dracaenas is marketed as Lucky Bamboo.) The reads were assembled into 2,640,704 contigs with an N50 length of 1.87 kb, and a 1.05 Gb assembly was finally assembled with 2,379,659 scaffolds. Big data research, including transcriptomic and genomic studies, has suggested that dragon's blood might be a defense substance that is secreted by Dracaena plants in response to (a)biotic stimuli. It is an important medicinal plant as well as an ornamental tree. ; Judd, W.S. ; Dubos, C.; Romero De La Fuente, Identification and characterization of MYB, controlling proanthocyanidin biosynthesis in strawberry (, Zhu, J.; Chen, P.; Guo, D.; Li, H.; Wang, Y.; Dai, H.; Mei, W.L. Dracaena cochinchinensis and Dracaena cambodiana were successively discovered in southern China during the 1970s–1980s. Dracaena Draco is by far the most popular landscaping feature plant for South coast and Sydney landscapes. In addition, six compounds exhibited cytotoxic activities, and eleven compounds demonstrated antibacterial activities. 2016. In short, an in vivo activity assay platform for rapidly examining the biological activity of commercial dragon blood samples was successfully established here, which complements the current HPLC-based assay method. The chloroplast genome is a typical quadripartite chloroplast structure with inverted repeats (26,507 bp) separated by small single copy (18,466 bp) and large single copy (83,702 bp) regions. Dracaena cambodiana’s resin is used since ages as body oil, medicine, varnish, incense and dye. HPLC analysis showed an accumulation of isoflavones (genistin, daidzein, and genistein) upon ET treatment, in agreement with the proteomics results. [Free PDF download website: https://www.sciencedirect.com/science/article/pii/S1021949818301492?via%3Dihub] Dragon blood has been used in wound treatment for many years and can be obtained from several distinct plant species. ... Dracaena cambodiana was discovered in China during the investigation of sustainable traditional medicine resources in the 1980s, and this ; Dai, H.F. Flav. Among all 53,700 predicted genes, 158 genes involved in cell wall and plant hormone synthesis and reactive oxygen species scavenging showed altered regulation during the formation of dragon’s blood. Age structure and growth of, inflammatory effect of a new steroidal saponin, mannioside A, and, Kougan, G.B. Dracaena cambodiana. 31070321), Natural Science Foundation of Hainan Province (No. Dracaena (Dracaena spp.) development of new drugs. Now we know that the CDPKs play vital roles in plant, and development, plant (a)biotic stress responses, involved in flavonoid biosynthesis from the, coumarate CoA ligase (4CL, 18 DEGs), chalcone synthase (CHS, 10, involved in steroidal saponin biosynthesis. ; Li, H.L. (200, ; Vendramin, G.G. However, the genetics of the genus Dracaena and the formation mechanism of dragon’s blood remain poorly understood. The plant resin is used since ancient times as medicine, varnish, body oil, incense and dye. In Chinese medicine, it is said to quicken the blood, stanch bleeding, and engender flesh. It is an important medicinal plant as well as an ornamental tree. it is a major source of dragon’s blood, a precious traditional medicine in China. This has caused the average American waistline to expand… All rights reserved. Dragons Blood Trees get their name from the red coloured sap that was […] I chose this as the dragons blood used by the Romans was primarily sourced from Socotra and so was most probably Draceana cinnabari. It grows in low-elevation forests (0–300 m) having dry and sandy soils. Current dragon trees mainly distributed in Asia and Africa [22,23]. Topics: Assam • Dracaena cambodiana • Journal of Botanical Research Institute of Texas • Karbi Anglong • New plant species, © Copyright 2009-2019 GKToday | All Rights Reserved, Journal of Botanical Research Institute of Texas, Current Affairs MCQs PDF - December, 2020, Current Affairs [PDF] - December 16-31, 2020, Current Affairs [PDF] - December 1-15, 2020. sequencing for the characterization of genetic background of, of huge metagenomic datasets using a combined BLAST and, article distributed under the terms and conditions of the. The complete plastome is 156,697 bp in length. The reads were assembled into 2,640,704 contigs with an N50 length of 1.87 kb, and a 1.05 Gb assembly was finally assembled with 2,379,659 scaffolds. (Agavaceae), known as one of the dragon’s blood trees, is endemic to the Hainan is-land of China . Sap of this plant turns bright red after coming in contact with air. Flavonoid 3′-hydroxylase (F3’H) is an enzyme that synthesizes 3′-hydroxylated flavonoids. These results provide insights on the steroidal saponins biosynthetic pathway and mechanisms underlying induced formation of dragon’s blood in D. cambodiana. Therefore, it is promising that flavonoids from dragon's blood can be obtained from the tissue culture of its resource plants for the purpose of drug development. The complete plastome sequence of D. cambodiana will provide a useful resource for the conservation genetics of this species as well as for phylogenetic studies in Asparagales. This review represents an effort to highlight the progress and achievements from applied history as well as induction techniques that are used for the formation of dragon's blood that have taken place in China. However, the formation process of dragon's blood in nature is very slow, which cannot meet the demand of pharmaceutical uses. Dracaena cambodiana is a traditional medicinal plant used for producing dragon’s blood. of DcF3’H expression in Dracaenas plants is poorly understood. The application of dragon’s blood has a cherished history in China, even though the original plants were not discovered for some period. most importantly, it is an important medicinal and ornamental plant. Comparison of the chemical profiles and anti, Sousa, M.M. Dracaena cambodiana (D. cambodiana) is one of the resource plants of dragon's blood. Med, ones synthesis and defense gene expression to alleviate leaf, Ou, L.; Wang, X.; Zhang, C.H. Sap of the plant species turns bright red after coming in contact with air. There are the two main causes of raw material of dragon's blood in China relying on, Furthermore, 172 fungi strains were isolated from. (Agavaceae) as one main source of Chinese dragon's blood is used to promote blood … Owing to a lack of Dracaena plants genomic information, the flavonoids biosynthesis and regulation in Dracaena plants remain unknown. How reactive oxygen species and proline face stre, Jones, J.D. PubMed:Steroidal saponins from dragon's blood of Dracaena cambodiana. About: Researchers have discovered Dracaena cambodiana, a dragon tree species in the Dongka Sarpo area of West Karbi Anglong in Assam. A total of 1512 specimens of southern herbs representing 359 species were collected under the instructions and identification of taxonomic experts. This plant yields dragon’s blood — a bright red resin used since ancient times as medicine, body oil, varnish, incense and dye. Researchers have discovered Dracaena cambodiana, a dragon tree species in Dongka Sarpo area of West Karbi Anglong District in Assam. ; Zheng, S.; Wang, X.H. Keywords: dragon's blood, Dracaena cambodiana, flavanes, antimicrobial activity Acknowledgments This research was financially supported by the National Natural Sciences Foundation of China (No. ; Xu, Z.F. ITS2 barcodes exhibit advantages in TCM identification. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. expression analysis of genes involved in steroidal saponin biosynthesis in. Dragon’s blood collected from the genus Dracaena is used as a renowned traditional medicine in various cultures worldwide. Dragon's blood (Xue Jie in Chinese) is a deep red resin originally and mainly obtained from the xylem of Dracaena sp., such as D. cambodiana, D. draco and D. cinnabari.Because of the limited resources of Dracaena sp., Pterocarpus officinalis Jacq. Eleven plant species were discovered to be cryptic. Hainan Key Laboratory for Research and Development of Natural Produ, Key Laboratory of Biology and Genetic Resources of Tropical Crops of, were successively discovered in southern Chin, scientists have extensively investigated the, species and contribute to understanding dragon blood formation mechanism, in the New Revised Materia Medica (Xin Xiu Ben Cao), Ch, Modern natural production chemistry and pharmacological researches has indicated, the subtropical and tropical regions between, plants were found in southern Yunnan and Guangxi Province of China in, was discovered in China during the investigation of, plants have been exhausted for their economic and medicinal importance in the period, ational Union for Conservation of Nature) [, prohibited to felling. Dracaena Cambodiana Tree also known as Dragon's Blood Capsules for DVT Today's air travel has become a battle of space and health versus revenue from airline ticket prices. In addition, compound 3 showed significant acetylcholinesterase (AChE) inhibitory activity. Dracaena cambodiana Pierre ex Gagnepain (Asperagaceae), commonly known as the dragon blood tree is a vulnerable species and generally distributed in the escarpments of island-like limestone mountains in paleotropical Southeastern Asia. These dracaena are a bit like a cross with a Dragons Blood tree with Dracaena Marginata! A study on the resource of Chinese Dra. to hormone signaling, programmed cell death, each antioxidant, such as glutathione, phytoene, and trehalose regulate plant defense via sign, considering the vulnerable and severely endangered status of, This research was supported by the Key Research and Development Project of Hainan, interest Scientific Institution Basal Research Fund for Chinese Academy, R.; Pavlis, J. functions of promoting blood circulation and removing stasis in blood, healing bleeding and sores, until approximately the 1060s AD during the Northern, that the monomeric compounds extracted from dragon’s blood also, In 1972, the team of Prof. Xitao Cai from Kunming Institute of, cultured in chamber as bonsai or planted in co, plants discovered in China and many inducing experiment, showed that the components of artificial dragon, blot. Licensee MDPI, Basel, Switzerland. The substance was rare and had valuable medical properties, considered a … Demand Threat: The dragon’s blood is a precious traditional medicine in China. It is a major source of dragon’s blood, a precious traditional medicine in China. However, neither morphological features nor common DNA regions are ideal for identification of Dracaena spp. Phylotranscriptomics resolves ancient divergences in the Lepidoptera. India’s first dragon’s blood tree discovered in the Chirimukam (Dongkamukam) village of West Karbi Anglong, Assam, is the first report of the Dragon tree species in India. ResearchGate has not been able to resolve any citations for this publication. The plants and dragon’s blood of D. cambodiana contain a rich variety of steroidal saponins. Ying Luo et al. PLOS ONE 2018, 13 (12) , e0209258. 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