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The genome sequence of the orchid Phalaenopsis equestris

Cai Jing, Vanneste Kevin, Proost Sebastian, Tsai Wen-Chieh, Liu Ke-Wei, Chen Li-Jun, He Ying, Xu Qing, Bian Chao, Zheng Zhijun, Sun Fengming, Liu Weiqing, Hsiao Yu-Yun, Pan Zhao-Jun, Hsu Chia-Chi, Yang Ya-Ping, Hsu Yi-Chin, Chuang Yu-Chen, Dievart Anne, Dufayard Jean-François, Xu Xun, Wang Juhui, Wang Jung, Xiao Xin-Ju, Zhao Xue-Min, Du Rong, Zhang Guo-Qiang, Wang Meina, Su Yong-Yu, Xie Gao-Chang, Liu Guo-Hui, Li Li-Qiang, Huang Lai-Qiang, Luo Yi-Bo, Chen Hong-Hwa, Van de Peer Yves, Liu Zhong-Jian. 2015. The genome sequence of the orchid Phalaenopsis equestris. Nature Genetics, 47 (1) : pp. 65-74.

Journal article ; Article de revue à facteur d'impact
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Quartile : Outlier, Sujet : GENETICS & HEREDITY

Liste HCERES des revues (en SHS) : oui

Thème(s) HCERES des revues (en SHS) : Psychologie-éthologie-ergonomie

Abstract : Orchidaceae, renowned for its spectacular flowers and other reproductive and ecological adaptations, is one of the most diverse plant families. Here we present the genome sequence of the tropical epiphytic orchid Phalaenopsis equestris, a frequently used parent species for orchid breeding. P. equestris is the first plant with crassulacean acid metabolism (CAM) for which the genome has been sequenced. Our assembled genome contains 29,431 predicted protein-coding genes. We find that contigs likely to be underassembled, owing to heterozygosity, are enriched for genes that might be involved in self-incompatibility pathways. We find evidence for an orchid-specific paleopolyploidy event that preceded the radiation of most orchid clades, and our results suggest that gene duplication might have contributed to the evolution of CAM photosynthesis in P. equestris. Finally, we find expanded and diversified families of MADS-box C/D-class, B-class AP3 and AGL6-class genes, which might contribute to the highly specialized morphology of orchid flowers. (Résumé d'auteur)

Classification Agris : F30 - Plant genetics and breeding

Champ stratégique Cirad : Axe 1 (2014-2018) - Agriculture écologiquement intensive

Auteurs et affiliations

  • Cai Jing, National Orchid Conservation Center of China (CHN)
  • Vanneste Kevin, VIB (BEL)
  • Proost Sebastian, VIB (BEL)
  • Tsai Wen-Chieh, National Cheng Kung University Tainan (CHN)
  • Liu Ke-Wei, National Orchid Conservation Center of China (CHN)
  • Chen Li-Jun, National Orchid Conservation Center of China (CHN)
  • He Ying, VIB (BEL)
  • Xu Qing, Chinese Academy of Sciences (CHN)
  • Bian Chao, BGI-Shenzhen (CHN)
  • Zheng Zhijun, Fujian Agriculture and Forestry University (CHN)
  • Sun Fengming, BGI-Shenzhen (CHN)
  • Liu Weiqing, BGI-Shenzhen (CHN)
  • Hsiao Yu-Yun, National Cheng Kung University Tainan (CHN)
  • Pan Zhao-Jun, National Cheng Kung University Tainan (CHN)
  • Hsu Chia-Chi, National Cheng Kung University Tainan (CHN)
  • Yang Ya-Ping, National Cheng Kung University Tainan (CHN)
  • Hsu Yi-Chin, National Cheng Kung University Tainan (CHN)
  • Chuang Yu-Chen, National Cheng Kung University Tainan (CHN)
  • Dievart Anne, CIRAD-BIOS-UMR AGAP (FRA) ORCID: 0000-0001-9460-4638
  • Dufayard Jean-François, CIRAD-BIOS-UMR AGAP (FRA)
  • Xu Xun, BGI-Shenzhen (CHN)
  • Wang Juhui, BGI-Shenzhen (CHN)
  • Wang Jung, BGI-Shenzhen (CHN)
  • Xiao Xin-Ju, National Orchid Conservation Center of China (CHN)
  • Zhao Xue-Min, State Forestry Administration (CHN)
  • Du Rong, State Forestry Administration (CHN)
  • Zhang Guo-Qiang, National Orchid Conservation Center of China (CHN)
  • Wang Meina, National Orchid Conservation Center of China (CHN)
  • Su Yong-Yu, SCAU (CHN)
  • Xie Gao-Chang, National Orchid Conservation Center of China (CHN)
  • Liu Guo-Hui, National Orchid Conservation Center of China (CHN)
  • Li Li-Qiang, National Orchid Conservation Center of China (CHN)
  • Huang Lai-Qiang, National Orchid Conservation Center of China (CHN)
  • Luo Yi-Bo, Chinese Academy of Sciences (CHN)
  • Chen Hong-Hwa, Nanjing University of Information Science and Technology (CHN)
  • Van de Peer Yves, VIB (BEL)
  • Liu Zhong-Jian, National Orchid Conservation Center of China (CHN)

Source : Cirad - Agritrop (https://agritrop.cirad.fr/574679/)

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