Article (Scientific journals)
Analysis of the Genetic Diversity of Two Rhopalosiphum Species from China and Europe Based on Nuclear and Mitochondrial Genes.
Guo, Jianqing; Li, Jing; Massart, Sébastien et al.
2023In Insects, 14 (1), p. 57
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Keywords :
EF-1α; Rhopalosiphum maidis; Rhopalosiphum padi; genetic differentiation; geographical region; mtDNA; Insect Science
Abstract :
[en] Population genetic studies can reveal clues about the evolution of adaptive strategies of aphid species in agroecosystems and demonstrate the influence of environmental factors on the genetic diversity and gene flow among aphid populations. To investigate the genetic diversity of two Rhopalosiphum aphid species from different geographical regions, 32 populations (n = 535) of the bird cherry-oat aphid (Rhopalosiphum padi Linnaeus) and 38 populations (n = 808) of the corn leaf aphid (Rhopalosiphum maidis Fitch) from China and Europe were analyzed using one nuclear (elongation factor-1 alpha) and two mitochondrial (cytochrome oxidase I and II) genes. Based on the COI-COII sequencing, two obvious clades between Chinese and European populations and a low level of gene flow (Nm = 0.15) were detected in R. padi, while no geographical-associated genetic variation was found for EF-1α in this species. All genes in R. maidis had low genetic variation, indicating a high level of gene flow (Nm = 5.31 of COI-COII and Nm = 2.89 of EF-1α). Based on the mitochondrial result of R. padi, we concluded that the long distance between China and Europe may be interrupting the gene flow. The discordant results of nuclear gene analyses in R. padi may be due to the slower evolution of nuclear genes compared to mitochondrial genes. The gene exchange may occur gradually with the potential for continuous migration of the aphid. This study facilitates the design of control strategies for these pests.
Disciplines :
Biotechnology
Author, co-author :
Guo, Jianqing ;  College of Agriculture and Forestry, Hebei North University, Zhangjiakou 075000, China ; State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China ; Department of Functional and Evolutionary Entomology, Gembloux Agro-Bio Tech, University of Liège, Passage des Déportés 2, B-5030 Gembloux, Belgium
Li, Jing;  School of Biological and Environmental Engineering, Xi'an University, No. 1 Keji Six Road, Xi'an 710065, China
Massart, Sébastien  ;  Université de Liège - ULiège > TERRA Research Centre > Gestion durable des bio-agresseurs
He, Kanglai ;  State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China
Francis, Frédéric  ;  Université de Liège - ULiège > TERRA Research Centre > Gestion durable des bio-agresseurs
Wang, Zhenying ;  State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China
Language :
English
Title :
Analysis of the Genetic Diversity of Two Rhopalosiphum Species from China and Europe Based on Nuclear and Mitochondrial Genes.
Publication date :
06 January 2023
Journal title :
Insects
eISSN :
2075-4450
Publisher :
MDPI, Switzerland
Volume :
14
Issue :
1
Pages :
57
Peer reviewed :
Peer Reviewed verified by ORBi
Funding text :
This research was funded by the Young Talent Program of Hebei Higher Education (BJ2018009), the National Key Research and Development Program of China (2017YFD0201802), and the Natural Science Foundation of Shaanxi Province (2019JM-476).
Available on ORBi :
since 01 August 2023

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