A high-quality chromosome-level genome assembly for the agricultural pest Mythimna separata
文献类型： 外文期刊
作者： Zhang, Lei 1 ; Yesaya, Alexander 1 ; Li, Zaiyuan 1 ; Liang, Xinyue 1 ; Xiao, Yutao 1 ;
作者机构： 1.Chinese Acad Agr Sci, Agr Genom Inst Shenzhen, Minist Agr & Rural Affairs, Guangdong Lab Lingnan Modern Agr,Shenzhen Branch,K, Shenzhen 518120, Peoples R China
期刊名称：SCIENTIFIC DATA （ 影响因子：6.9； 五年影响因子：8.7 ）
ISSN：
年卷期： 2025 年 12 卷 1 期
页码：
收录情况： SCI
摘要： The oriental armyworm, Mythimna separata, poses a persistent challenge to agricultural pest management due to its strong migratory abilities and polyphagous feeding behavior. In this study, we present a chromosome-level genome assembly using Illumina, PacBio HiFi, and Hi-C sequencing technologies. The final assembly spans 714.5 Mb with a scaffold N50 of 22.7 Mb and a GC content of 38.8%. A total of 32 chromosomes were successfully anchored, including the Z and W sex chromosomes. BUSCO analysis indicated a genome completeness of 98.6%, and 19,879 protein-coding genes were predicted. The W chromosome, measuring 30.55 Mb with a repeat content of 68.34%, harbors 824 protein-coding genes. Furthermore, a PCR-based method confirmed W-linked sequences for female-specific sex detection via the ZW system. This enhanced genome assembly provides a valuable resource for evolutionary research on M. separata and facilitates the development of sex-regulated pest control strategies.
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