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Hortic Res

Title:		The Cymbidium genome reveals the evolution of unique morphological traits
Author(s):		Ai Y; Li Z; Sun WH; Chen J; Zhang D; Ma L; Zhang QH; Chen MK; Zheng QD; Liu JF; Jiang YT; Li BJ; Liu X; Xu XY; Yu X; Zheng Y; Liao XY; Zhou Z; Wang JY; Wang ZW; Xie TX; Ma SH; Zhou J; Ke YJ; Zhou YZ; Lu HC; Liu KW; Yang FX; Zhu GF; Huang L; Peng DH; Chen SP; Lan S; Van de Peer Y; Liu ZJ;
Address:		"Key Laboratory of National Forestry and Grassland Administration for Orchid Conservation and Utilization at College of Landscape Architecture, Fujian Agriculture and Forestry University, Fuzhou, China. Department of Plant Biotechnology and Bioinformatics, Ghent University, Gent, Belgium. VIB Center for Plant Systems Biology, Gent, Belgium. College of Forestry, Fujian Agriculture and Forestry University, Fuzhou, China. Management Office of Yushan Scenic Area, Fuzhou, China. College of Agriculture and Biotechnology, Zhejiang University, Hangzhou, China. Key Laboratory of Plant Resource Conservation and Sustainable Utilization, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou, China. PubBio-Tech, Wuhan, China. Tsinghua-Berkeley Shenzhen Institute (TBSI), Center for Biotechnology and Biomedicine and Shenzhen Key Laboratory of Gene and Antibody Therapy, State Key Laboratory of Chemical Oncogenomics, State Key Laboratory of Health Sciences and Technology, Institute of Biopharmaceutical and Health Engineering (iBHE), Shenzhen International Graduate School, Tsinghua University, Shenzhen, China. Guangdong Key Laboratory of Ornamental Plant Germplasm Innovation and Utilization, Environmental Horticulture Research Institute, Guangdong Academy of Agricultural Sciences, Guangzhou, China. Department of Plant Biotechnology and Bioinformatics, Ghent University, Gent, Belgium. yves.vandepeer@psb.vib-ugent.be. VIB Center for Plant Systems Biology, Gent, Belgium. yves.vandepeer@psb.vib-ugent.be. Department of Biochemistry, Genetics and Microbiology, University of Pretoria, Pretoria, South Africa. yves.vandepeer@psb.vib-ugent.be. College of Horticulture, Academy for Advanced Interdisciplinary Studies, Nanjing Agricultural University, Nanjing, China. yves.vandepeer@psb.vib-ugent.be. Key Laboratory of National Forestry and Grassland Administration for Orchid Conservation and Utilization at College of Landscape Architecture, Fujian Agriculture and Forestry University, Fuzhou, China. zjliu@fafu.edu.cn. Henry Fok College of Biology and Agriculture, Shaoguan University, Shaoguan, China. zjliu@fafu.edu.cn. Institute of Vegetable and Flowers, Shandong Academy of Agricultural Sciences, Jinan, China. zjliu@fafu.edu.cn"
Journal Title:		Hortic Res
Year:		2021
Volume:		20211201
Issue:		1
Page Number:		255 -
DOI:		10.1038/s41438-021-00683-z
ISSN/ISBN:		2662-6810 (Print) 2052-7276 (Electronic) 2052-7276 (Linking)
Abstract:		"The marvelously diverse Orchidaceae constitutes the largest family of angiosperms. The genus Cymbidium in Orchidaceae is well known for its unique vegetation, floral morphology, and flower scent traits. Here, a chromosome-scale assembly of the genome of Cymbidium ensifolium (Jianlan) is presented. Comparative genomic analysis showed that C. ensifolium has experienced two whole-genome duplication (WGD) events, the most recent of which was shared by all orchids, while the older event was the tau event shared by most monocots. The results of MADS-box genes analysis provided support for establishing a unique gene model of orchid flower development regulation, and flower shape mutations in C. ensifolium were shown to be associated with the abnormal expression of MADS-box genes. The most abundant floral scent components identified included methyl jasmonate, acacia alcohol and linalool, and the genes involved in the floral scent component network of C. ensifolium were determined. Furthermore, the decreased expression of photosynthesis-antennae and photosynthesis metabolic pathway genes in leaves was shown to result in colorful striped leaves, while the increased expression of MADS-box genes in leaves led to perianth-like leaves. Our results provide fundamental insights into orchid evolution and diversification"
Keywords:
Notes:		"PubMed-not-MEDLINEAi, Ye Li, Zhen Sun, Wei-Hong Chen, Juan Zhang, Diyang Ma, Liang Zhang, Qing-Hua Chen, Ming-Kun Zheng, Qing-Dong Liu, Jiang-Feng Jiang, Yu-Ting Li, Bai-Jun Liu, Xuedie Xu, Xin-Yu Yu, Xia Zheng, Yu Liao, Xing-Yu Zhou, Zhuang Wang, Jie-Yu Wang, Zhi-Wen Xie, Tai-Xiang Ma, Shan-Hu Zhou, Jie Ke, Yu-Jie Zhou, Yu-Zhen Lu, Hsiang-Chia Liu, Ke-Wei Yang, Feng-Xi Zhu, Gen-Fa Huang, Laiqiang Peng, Dong-Hui Chen, Shi-Pin Lan, Siren Van de Peer, Yves Liu, Zhong-Jian eng England 2021/12/02 Hortic Res. 2021 Dec 1; 8(1):255. doi: 10.1038/s41438-021-00683-z"