The complex jujube genome provides insights into fruit tree biology

Meng-Jun Liu (), Jin Zhao, Qing-Le Cai, Guo-Cheng Liu, Jiu-Rui Wang, Zhi-Hui Zhao, Ping Liu, Li Dai, Guijun Yan, Wen-Jiang Wang, Xian-Song Li, Yan Chen, Yu-Dong Sun, Zhi-Guo Liu, Min-Juan Lin, Jing Xiao, Ying-Ying Chen, Xiao-Feng Li, Bin Wu, Yong Ma, Jian-Bo Jian, Wei Yang, Zan Yuan, Xue-Chao Sun, Yan-Li Wei, Li-Li Yu, Chi Zhang, Sheng-Guang Liao, Rong-Jun He, Xuan-Min Guang, Zhuo Wang, Yue-Yang Zhang and Long-Hai Luo
Additional contact information
Meng-Jun Liu: Research Center of Chinese Jujube, Agricultural University of Hebei
Jin Zhao: College of Life Science, Agricultural University of Hebei
Qing-Le Cai: BGI-Shenzhen
Guo-Cheng Liu: BGI-Shenzhen
Jiu-Rui Wang: College of Forestry, Agricultural University of Hebei
Zhi-Hui Zhao: Research Center of Chinese Jujube, Agricultural University of Hebei
Ping Liu: Research Center of Chinese Jujube, Agricultural University of Hebei
Li Dai: Research Center of Chinese Jujube, Agricultural University of Hebei
Guijun Yan: School of Plant Biology, Faculty of Science and The UWA Institute of Agriculture, The University of Western Australia
Wen-Jiang Wang: National Engineering Research Center for Agriculture in North Mountain Area (Ministry of Science and Technology of the People’s Republic of China)
Xian-Song Li: National Engineering Research Center for Agriculture in North Mountain Area (Ministry of Science and Technology of the People’s Republic of China)
Yan Chen: BGI-Shenzhen
Yu-Dong Sun: BGI-Shenzhen
Zhi-Guo Liu: Research Center of Chinese Jujube, Agricultural University of Hebei
Min-Juan Lin: Research Center of Chinese Jujube, Agricultural University of Hebei
Jing Xiao: Research Center of Chinese Jujube, Agricultural University of Hebei
Ying-Ying Chen: Research Center of Chinese Jujube, Agricultural University of Hebei
Xiao-Feng Li: BGI-Shenzhen
Bin Wu: BGI-Shenzhen
Yong Ma: BGI-Shenzhen
Jian-Bo Jian: BGI-Shenzhen
Wei Yang: BGI-Shenzhen
Zan Yuan: Research Center of Chinese Jujube, Agricultural University of Hebei
Xue-Chao Sun: College of Forestry, Agricultural University of Hebei
Yan-Li Wei: BGI-Shenzhen
Li-Li Yu: BGI-Shenzhen
Chi Zhang: BGI-Shenzhen
Sheng-Guang Liao: BGI-Shenzhen
Rong-Jun He: BGI-Shenzhen
Xuan-Min Guang: BGI-Shenzhen
Zhuo Wang: BGI-Shenzhen
Yue-Yang Zhang: BGI-Shenzhen
Long-Hai Luo: BGI-Shenzhen

Nature Communications, 2014, vol. 5, issue 1, 1-12

Abstract: Abstract The jujube (Ziziphus jujuba Mill.), a member of family Rhamnaceae, is a major dry fruit and a traditional herbal medicine for more than one billion people. Here we present a high-quality sequence for the complex jujube genome, the first genome sequence of Rhamnaceae, using an integrated strategy. The final assembly spans 437.65 Mb (98.6% of the estimated) with 321.45 Mb anchored to the 12 pseudo-chromosomes and contains 32,808 genes. The jujube genome has undergone frequent inter-chromosome fusions and segmental duplications, but no recent whole-genome duplication. Further analyses of the jujube-specific genes and transcriptome data from 15 tissues reveal the molecular mechanisms underlying some specific properties of the jujube. Its high vitamin C content can be attributed to a unique high level expression of genes involved in both biosynthesis and regeneration. Our study provides insights into jujube-specific biology and valuable genomic resources for the improvement of Rhamnaceae plants and other fruit trees.

Date: 2014
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DOI: 10.1038/ncomms6315

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