文献类型： 外文期刊
作者： Dong, Sujuan 1 ; Li, Xinghua 1 ; Liu, Qi 2 ; Zhu, Tao 3 ; Tian, Aiwei 1 ; Chen, Nuo 1 ; Tu, Xiongbing 4 ; Ban, Liping 1 ;
作者机构： 1.China Agr Univ, Coll Grassland Sci & Technol, Dept Grassland Resources & Ecol, Beijing 100193, Peoples R China
2.Guangdong Acad Agr Sci, Rice Res Inst, Guangzhou 510640, Guangdong Provi, Peoples R China
3.China Agr Univ, Coll Anim Sci & Technol, Dept Anim Genet & Breeding, State Key Lab Anim Nutr,Natl Engn Lab Anim Breedin, Beijing 100193, Peoples R China
4.Chinese Acad Agr Sci, Inst Plant Protect, Beijing 100193, Peoples R China
关键词： Locust migration; Evolution; Positive selection; Metabolism; Mitochondria-related pathways
期刊名称：BMC GENOMICS （ 影响因子：3.7； 五年影响因子：4.2 ）
ISSN： 1471-2164
年卷期： 2025 年 26 卷 1 期
页码：
收录情况： SCI
摘要： BackgroundLocust migration is one of the main causes of locust plagues. While existing research has highlighted the adaptive migratory capabilities of locusts, the evolutionary patterns of their migration remain elusive. This study aims to explore these evolutionary patterns of locust migratory behavior at the genomic level. To achieve this, we conducted comparative genomics analysis using genomic data from 10 locust species with diverse migratory tendencies.ResultsWe identified 1064 genes showing signatures of positive selection in five migratory locust species using a dN/dS model. The BUSTED-PH model revealed 116 genes associated with migratory phenotypes. Gene ontology enrichment analysis indicated that these genes were predominantly related to metabolism and mitochondria-related pathways through both methods. Additionally, the evolutionary rate (RER) analysis between migratory and non-migratory locusts revealed significant divergence in energy metabolism pathways. Notably, of the genes analyzed, the SETX gene consistently showed evidence of positive selection across all five migratory species.ConclusionsThe findings suggest that the evolution of migratory behavior is associated with increased selective pressure on metabolism and mitochondria-related pathways. Hundreds of genes undergo selective changes during repetitive transitions to migratory behavior. These findings enhance our understanding of the genetic and phenotypic relationships underlying different locust migratory behaviors, providing important data for understanding the biological mechanisms behind locust outbreaks.
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