Article (Scientific journals)
An Aphid Pest Superclone Benefits From a Facultative Bacterial Endosymbiont in a Host-Dependent Manner, Leading to Reproductive and Proteomic Changes
Mahieu, Leandro; González-González, Angélica; Rubio-Meléndez, María Eugenia et al.
2024In Archives of Insect Biochemistry and Physiology, 117 (2)
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Keywords :
aphid population growth rate; endosymbionts; host specialization; insect proteomic; Animals; Aphids; Chile; Enterobacteriaceae; Hordeum; Insect Proteins; Proteome; Proteomics; Reproduction; Symbiosis; Triticum; insect protein; proteome; animal; aphid; metabolism; microbiology; physiology; proteomics; reproduction; symbiosis; wheat
Abstract :
[en] The English grain aphid, Sitobion avenae, is a significant agricultural pest affecting wheat, barley, and oats. In Chile, the most prevalent and persistent clone (superclone) of S. avenae harbors the facultative endosymbiont bacterium Regiella insecticola. To determine the role of this bacterium in the reproductive success of this superclone, the presence of R. insecticola was manipulated to assess its impact on (1) the reproductive performance of this clone on two host plant species (wheat and barley), (2) the production of winged morphs, (3) changes in the insects' proteomic profiles, and (4) the root/shoot ratio of plant. It was found that the reproductive performance of this S. avenae superclone varied across host plants, depending on the presence of the facultative bacterial endosymbiont. Aphids infected with R. insecticola showed higher reproductive success on wheat, while the opposite effect was observed on barley. Aphid biomass was greater when infected with R. insecticola, particularly on barley. Additionally, aphids harboring R. insecticola exhibited a higher proportion of winged individuals on both host plants. Protein regulation in aphids on wheat was lower compared to those on barley. A higher root/shoot biomass ratio was observed in wheat plants compared to barley when infested by R. insecticola-infected aphid. Thus, R. insecticola significantly influences the reproductive performance and proteomic profile of a S. avenae superclone, with these effects shaped by the host plant. This suggests that the interaction between the host plant and the facultative endosymbiont contributes to the ecological success of this superclone. © 2024 Wiley Periodicals LLC.
Disciplines :
Entomology & pest control
Author, co-author :
Mahieu, Leandro;  Gembloux Agro-Bio Tech-Université de Liège, Gembloux, Belgium
González-González, Angélica;  Centre for Molecular and Functional Ecology, Instituto de Ciencias Biológicas, Universidad de Talca, Talca, Chile
Rubio-Meléndez, María Eugenia;  Centro de Bioinformática y Simulación Molecular, Facultad de Ingeniería, Universidad de Talca, Maule, Talca, Chile
Moya-Hernández, Mario;  Centre for Molecular and Functional Ecology, Instituto de Ciencias Biológicas, Universidad de Talca, Talca, Chile
Francis, Frédéric  ;  Université de Liège - ULiège > TERRA Research Centre > Gestion durable des bio-agresseurs
Ramírez, Claudio C;  Centre for Molecular and Functional Ecology, Instituto de Ciencias Biológicas, Universidad de Talca, Talca, Chile
Language :
English
Title :
An Aphid Pest Superclone Benefits From a Facultative Bacterial Endosymbiont in a Host-Dependent Manner, Leading to Reproductive and Proteomic Changes
Publication date :
13 October 2024
Journal title :
Archives of Insect Biochemistry and Physiology
ISSN :
0739-4462
eISSN :
1520-6327
Publisher :
John Wiley and Sons Ltd
Volume :
117
Issue :
2
Peer reviewed :
Peer Reviewed verified by ORBi
Funders :
FWB - Fédération Wallonie-Bruxelles
ULiège - University of Liège
Funding number :
NC120027
Funding text :
The authors would like to thank the staff of the Laboratorio Inter- acciones Insecto‐Planta (Universidad de Talca, Chile) for providing the aphids used in this study and their help performing the performance experiment. L.M. internship in Chile was possible thanks to the “Fonds d'Aide à la Mobilité Etudiante” of the Federation Wallonie‐Bruxelles (FAME) completed by the funds of the University of Liège (Ulg) via “Fond de mobilité.” Funding of this research was also provided by the Chilean Iniciativa Científica Milenio NC120027.
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