文献类型： 外文期刊
第一作者： Wu, Chao
作者： Wu, Chao;Rice, Annabel;Wilson, Kenneth;Xu, Pengjun;Xiao, Yutao;Wu, Chao;Zhang, Lei;Liu, Bo;Gao, Bojia;Huang, Cong;Zhang, Ji;Jin, Minghui;Wang, Hanyue;Peng, Yan;Wilson, Kenneth;Xiao, Yutao;Wu, Chao;Zhang, Lei;Liu, Bo;Gao, Bojia;Huang, Cong;Zhang, Ji;Jin, Minghui;Wang, Hanyue;Peng, Yan;Wilson, Kenneth;Xiao, Yutao;Wu, Chao;Zhang, Lei;Liu, Bo;Gao, Bojia;Huang, Cong;Zhang, Ji;Jin, Minghui;Wang, Hanyue;Peng, Yan;Wilson, Kenneth;Xiao, Yutao;Hegazi, Esmat;Xu, Pengjun
作者机构：
关键词： Spodoptera littoralis; Polyphagy; Comparative genomics; Genetic features
期刊名称：BMC GENOMICS （ 影响因子：4.547； 五年影响因子：4.931 ）
ISSN： 1471-2164
年卷期： 2022 年 23 卷 1 期
页码：
收录情况： SCI
摘要： Background The cotton leafworm, Spodoptera littoralis, is a highly polyphagous pest of many cultivated plants and crops in Africa and Europe. The genome of this pest will help us to further understand the molecular mechanisms of polyphagy. Results Herein, the high-quality genome of S. littoralis was obtained by Pacific Bioscience (PacBio) sequencing. The assembled genome size of S. littoralis is 436.55 Mb with a scaffold N50 of 6.09 Mb, consisting of 17,207 annotated protein-coding genes. Phylogenetic analysis shows that S. littoralis and its sibling species S. litura diverged about 5.44 million years ago. Expanded gene families were mainly involved in metabolic detoxification and tolerance to toxic xenobiotics based on GO (Gene Ontology) and KEGG (Kyoto Encyclopedia of Genes and Genomes) pathway analysis. Comparative genomics analysis showed that gene families involved in detoxification and chemosensation were significantly expanded in S. littoralis, representing genetic characteristics related to polyphagy and an extensive host range. Conclusions We assembled and annotated the reference genome of S. littoralis, and revealed that this pest has the genetic features of strong detoxification capacity, consistent with it being a significant risk to a wide range of host crops. These data resources will provide support for risk assessment and early warning monitoring of major polyphagous agricultural pests.
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