Data from: Chromosome-level genome assembly of Paralithodes platypus provides insights into evolution and adaptation of king crabs ...

• Main Authors: Li, Yongxin, Boping, Tang, Wang, Zhongkai, Liu, Qiuning, Wang, Zhengfei, Ren, Yandong, Guo, Huayun, Qi, Tingting, Li, Yuetian, Zhang, Huabin, Jiang, Senhao, Ge, Baoming, Xuan, Fujun, Sun, Yue, She, Shusheng, Chan, Tin-Yam, Sha, Zhongli, Jiang, Hui, Li, Haorong, Jiang, Wei, Qin, Yanli, Wang, Kun, Qiu, Qiang, Wang, Wen, Li, Xinzheng, Ng, Ngan Kee, Zhang, Dai-Zhen
• Format: Dataset
• Language: English
• Published: Dryad 2019
• Subjects: Blue king crab; blue king crab; Paralithodes platypus
• Online Access: https://dx.doi.org/10.5061/dryad.jm63xsj6c; https://datadryad.org/stash/dataset/doi:10.5061/dryad.jm63xsj6c

The blue king crab, Paralithodes platypus, which belongs to the Lithodidae family, is a commercially and ecologically important species. However, a high-quality reference genome for the king crab has not yet been reported. Here, we assembled the first chromosome-level blue king crab genome, which contains 104 chromosomes and an N50 length of 51.15 Mb. Furthermore, we determined that the large genome size can be attributed to the insertion of long interspersed nuclear elements and long tandem repeats. Genome assembly assessment showed that 96.54% of the assembled transcripts could be aligned to the assembled genome. Phylogenetic analysis showed the blue king crab to have a close relationship with the Eubrachyura crabs, from which it diverged 272.5 million years ago. Population history analyses indicated that the effective population of the blue king crab declined sharply and then gradually increased from the Cretaceous and Neogene periods, respectively. Furthermore, gene families related to developmental ... : The genome of Paralithodes platypus ...