The oriental armyworm genome yields insights into the long-distance migration of noctuid moths

文献类型： 外文期刊

第一作者： Tong, Dandan

作者： Tong, Dandan;Zhang, Lei;Xie, Dianjie;Cheng, Yunxia;Xia, Jixing;Jiang, Xingfu;Wu, Ningning;Fang, Gangqi;Zhan, Shuai;Wu, Ningning;Coates, Brad S.;Sappington, Thomas W.;Liu, Yueqiu;Zhan, Shuai

作者机构：

期刊名称：CELL REPORTS （ 影响因子：8.8； 五年影响因子：9.9 ）

ISSN： 2211-1247

年卷期： 2022 年 41 卷 12 期

页码：

收录情况： SCI

摘要： The oriental armyworm, Mythimna separata, is known for its long-distance seasonal migration and environ-ment-dependent phase polymorphisms. Here, we present a chromosome-level genome reference and integrate multi-omics, functional genetics, and behavioral assays to explore the genetic bases of the hallmark traits of M. separata migration. Gene family comparisons show expansion of gustatory receptor genes in this cereal crop pest. Functional investigation of magnetoreception-related genes and associated flight behav-iors suggest that M. separata may use the geomagnetic field to guide orientation in its nocturnal flight. Comparative transcriptome characterizes a suite of genes that may confer the observed plasticity between phases, including genes involved in protein processing, hormone regulation, and dopamine metabolism. We further report molecular signatures that underlie the dynamic regulation of a migratory syndrome coordi-nating reproduction and flight. Our study yields insights into environment-dependent developmental plas-ticity in moths and advances our understanding of long-distance migration in nocturnal insect pests.

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