ArticleScientific data2025
A high-quality chromosome-level genome assembly for the agricultural pest Mythimna separata.
Article in Scientific data, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
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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