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A draft genome of the medicinal plant Cremastra appendiculata (D. Don) provides insights into the colchicine biosynthetic pathway

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机构: [1]Department of Medical Genetics and Developmental Biology, School of Basic Medical Sciences, Capital Medical University, Beijing 10069, China. [2]Department of Rheumatism, Shenzhen Traditional Chinese Medicine Hospital, Shenzhen, Guangdong, China. [3]The Fourth Clinical Medical College of Guangzhou University of Chinese Medicine, Shenzhen, Guangdong, China. [4]State Key Laboratory of Agricultural Genomics, BGI-Shenzhen, Shenzhen 518120, China. [5]College of Life Sciences, University of Chinese Academy of Sciences, Beijing 100049, China. [6]School of Traditional Chinese Medicine, Capital Medical University, Beijing 10069, China. [7]Center for Genetics, National Research Institute for Family Planning, Beijing, China. [8]Department of Biology, University of Copenhagen, Copenhagen, Denmark.
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Cremastra appendiculata (D. Don) Makino is a rare terrestrial orchid with a high market value as an ornamental and Chinese traditional medicinal herb with a wide range of pharmacological properties. The pseudobulbs of C. appendiculata are one of the primary sources of the famous traditional Chinese medicine "Shancigu", which has been clinically used for treating many diseases, especially, as the main component to treat gout. The lack of genetic research and genome data restricts the modern development and clinical use of C. appendiculata. Here, we report a 2.3 Gb chromosome-level genome of C. appendiculata. We identify a series of candidates of 35 candidate genes responsible for colchicine biosynthesis, among which O-methyltransferase (OMT) gene exhibits an important role in colchicine biosynthesis. Co-expression analysis reveal purple and green-yellow module have close relationships with pseudobulb parts and comprise most of the colchicine pathway genes. Overall, our genome data and the candidate genes reported here set the foundation to decipher the colchicine biosynthesis pathways in medicinal plants.© 2022. The Author(s).

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出版当年[2021]版:
大类 | 2 区 生物学
小类 | 1 区 生物学
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大类 | 1 区 生物学
小类 | 1 区 生物学
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Q1 BIOLOGY
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Q1 BIOLOGY

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第一作者机构: [1]Department of Medical Genetics and Developmental Biology, School of Basic Medical Sciences, Capital Medical University, Beijing 10069, China.
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通讯机构: [2]Department of Rheumatism, Shenzhen Traditional Chinese Medicine Hospital, Shenzhen, Guangdong, China. [3]The Fourth Clinical Medical College of Guangzhou University of Chinese Medicine, Shenzhen, Guangdong, China. [4]State Key Laboratory of Agricultural Genomics, BGI-Shenzhen, Shenzhen 518120, China. [8]Department of Biology, University of Copenhagen, Copenhagen, Denmark.
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