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Chromosome-level genome assembly of the giant ladybug Megalocaria dilatata

文献类型： 外文期刊

作者： Pu, De-Qiang 1 ; Wu, Xing-Long 1 ; Chen, Zhi-Teng 2 ; Wei, Shu-Jun 3 ; Cai, Peng 4 ; Liu, Hong-Ling 1 ;

作者机构： 1.Sichuan Acad Agr Sci, Inst Plant Protect, Chengdu 610066, Peoples R China

2.Jiangsu Univ Sci & Technol, Sch Grain Sci & Technol, Zhenjiang 212004, Peoples R China

3.Beijing Acad Agr & Forestry Sci, Inst Plant & Environm Protect, Beijing 100097, Peoples R China

4.Sichuan Acad Agr Sci, Hort Inst, Vegetable Germplasm Innovat & Variety Improvement, Chengdu 610066, 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： 2024 年 11 卷 1 期

页码：

收录情况： SCI

摘要： The giant ladybug Megalocaria dilatata (Fabricius) is a potential biocontrol agent and a valuable model for coccinellid genomics and evolutionary biology. However, the lack of a reference genome for M. dilatata has impeded further explorations into its evolution and constrained its use in pest management. Here, we assembled and annotated a high-quality, chromosome-level genome of M. dilatata. The resulting assembly spans 772.3 Mb, with a scaffold N50 of 72.48 Mb and a GC content of 34.23%. The Hi-C data aided in anchoring the assembly onto 10 chromosomes ranging from 43.35 to 108.16 Mb. We identified 493.33 Mb of repeat sequences, accounting for 63.88% of the assembled genome. Our gene prediction identified 25,346 genes, with 81.89% annotated in public protein databases. The genome data will provide a valuable resource for studying the biology and evolution of Coccinellidae, aiding in pest control strategies and advancing research in the field.

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