Saccharina genomes provide novel insight into kelp biology

Naihao Ye (), Xiaowen Zhang, Miao Miao, Xiao Fan, Yi Zheng, Dong Xu, Jinfeng Wang, Lin Zhou, Dongsheng Wang, Yuan Gao, Yitao Wang, Wenyu Shi, Peifeng Ji, Demao Li, Zheng Guan, Changwei Shao, Zhimeng Zhuang, Zhengquan Gao, Ji Qi () and Fangqing Zhao ()
Additional contact information
Naihao Ye: Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences
Xiaowen Zhang: Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences
Miao Miao: Computational Genomics Lab, Beijing Institutes of Life Science, Chinese Academy of Sciences
Xiao Fan: Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences
Yi Zheng: Computational Genomics Lab, Beijing Institutes of Life Science, Chinese Academy of Sciences
Dong Xu: Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences
Jinfeng Wang: Computational Genomics Lab, Beijing Institutes of Life Science, Chinese Academy of Sciences
Lin Zhou: Computational Genomics Lab, Beijing Institutes of Life Science, Chinese Academy of Sciences
Dongsheng Wang: Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences
Yuan Gao: Computational Genomics Lab, Beijing Institutes of Life Science, Chinese Academy of Sciences
Yitao Wang: Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences
Wenyu Shi: Computational Genomics Lab, Beijing Institutes of Life Science, Chinese Academy of Sciences
Peifeng Ji: Computational Genomics Lab, Beijing Institutes of Life Science, Chinese Academy of Sciences
Demao Li: Tianjin Key Laboratory for Industrial Biosystems and Bioprocessing Engineering, Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences
Zheng Guan: Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences
Changwei Shao: Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences
Zhimeng Zhuang: Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences
Zhengquan Gao: School of Life Sciences, Shandong University of Technology
Ji Qi: State Key Laboratory of Genetic Engineering and Collaborative Innovation Center for Genetics and Development, Institute of Plant Biology, School of Life Sciences, Fudan University
Fangqing Zhao: Computational Genomics Lab, Beijing Institutes of Life Science, Chinese Academy of Sciences

Nature Communications, 2015, vol. 6, issue 1, 1-11

Abstract: Abstract Seaweeds are essential for marine ecosystems and have immense economic value. Here we present a comprehensive analysis of the draft genome of Saccharina japonica, one of the most economically important seaweeds. The 537-Mb assembled genomic sequence covered 98.5% of the estimated genome, and 18,733 protein-coding genes are predicted and annotated. Gene families related to cell wall synthesis, halogen concentration, development and defence systems were expanded. Functional diversification of the mannuronan C-5-epimerase and haloperoxidase gene families provides insight into the evolutionary adaptation of polysaccharide biosynthesis and iodine antioxidation. Additional sequencing of seven cultivars and nine wild individuals reveal that the genetic diversity within wild populations is greater than among cultivars. All of the cultivars are descendants of a wild S. japonica accession showing limited admixture with S. longissima. This study represents an important advance toward improving yields and economic traits in Saccharina and provides an invaluable resource for plant genome studies.

Date: 2015
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DOI: 10.1038/ncomms7986

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