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A chromosome-level reference genome of the wax gourd (Benincasa hispida)

文献类型: 外文期刊

作者: Luo, Wenlong 1 ; Yan, Jinqiang 1 ; Luo, Shanwei 1 ; Liu, Wenrui 1 ; Xie, Dasen 1 ; Jiang, Biao 1 ;

作者机构: 1.Guangdong Acad Agr Sci, Vegetable Res Inst, Guangdong Key Lab New Technol Res Vegetables, Guangzhou 510640, Peoples R China

期刊名称:SCIENTIFIC DATA ( 影响因子:9.8; 五年影响因子:10.8 )

ISSN:

年卷期: 2023 年 10 卷 1 期

页码:

收录情况: SCI

摘要: The wax gourd (Benincasa hispida), the only species in the genus Benincasa, is an important crop native to Asia that has been widely planted for multi-purpose uses. The first wax gourd draft genome was published three years ago, but it was incomplete and highly-fragmented due to data and technical limitations. Herein, we report a new chromosome-level genome assembly and annotation of B. hispida. We generated 974.87 Mb of unitigs with N50 size of 2.43 Mb via a hybrid assembly strategy by using PacBio long reads and Illumina short reads. We then joined them into scaffolds with Hi-C data, resulting 1862 scaffolds with a total length of 975.62 Mb, and 94.92% of the length (926.05 Mb) is contained in the 12 largest scaffolds corresponding to the 12 chromosomes of B. hispida. We predicted 37,092 protein-coding genes, and 85.05% of them were functionally annotated. This chromosome-level reference genome provides significant improvement to the earlier version of draft genome and would be valuable resource for research and molecular breeding of the wax gourd.

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