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ArticleScientific reports2025

Genomic structure and life history variation of isofemale lineages of Myzus persicae with different levels of parasitization by Diaeretiella rapae.

Mariane Possignolo Gomes, Ewerton Costa Lira, Idemauro Antonio Rodrigues de Lara, Rafael de Andrade Moral, Rita Rebollo, Tobias Baril, Fernando Luis Cônsoli

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Article in Scientific reports, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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5 · Who and what money

Authors and funding

7 authors.

Mariane Possignolo GomesDepartment of Entomology and Acarology, Insect Interactions Laboratory, Luiz de Queiroz College of Agriculture, University of São Paulo, Piracicaba, 13418-900, Brazil.
Ewerton Costa LiraDepartment of Entomology and Acarology, Insect Interactions Laboratory, Luiz de Queiroz College of Agriculture, University of São Paulo, Piracicaba, 13418-900, Brazil.
Idemauro Antonio Rodrigues de LaraDepartment of Exact Sciences, Luiz de Queiroz College of Agriculture, University of São Paulo, Piracicaba, 13418-900, Brazil.
Rafael de Andrade MoralDepartment of Mathematics and Statistics, Maynooth University, Co. Kildare, W23F2H6, Ireland.
Rita RebolloUMR203, Institut National des Sciences Appliquées de Lyon, Biologie Fonctionnelle, Insects et Interactions, Institut National de la Recherche Agronomique, 69621, Lyon, France.
Tobias BarilLaboratory of Evolutionary Genetics, Institute of Biology, University of Neuchâtel, Neuchâtel, 2000, Neuchâtel, Switzerland.
Fernando Luis CônsoliDepartment of Entomology and Acarology, Insect Interactions Laboratory, Luiz de Queiroz College of Agriculture, University of São Paulo, Piracicaba, 13418-900, Brazil. fconsoli@usp.br.

Funding

Conselho Nacional de Desenvolvimento Científico e Tecnológico 2022/164221Coordenação de Aperfeiçoamento de Pessoal de Nível Superior Finance Code 001Fundação de Amparo à Pesquisa do Estado de São Paulo 2019/06876-1Fundação de Amparo à Pesquisa do Estado de São Paulo 2020/07896-3
6 · The paper itself

Abstract

Host resistance evolution to natural enemies depends on genetic variation, symbiont associations, and trade-offs with host´s fitness traits. We selected isofemale lineages of Myzus persicae to investigate biological traits and molecular markers associated with aphid defensive responses to the parasitic wasp Diaeretiella rapae. The parasitization of M. persicae lineages by D. rapae ranged from 43 to 76%. Rickettsia was the predominant secondary symbiont. Six lineages were selected according to D. rapae parasitization rate (LP = low parasitization; HP = high parasitization) and Rickettsia association. Life history traits differed among M. persicae lineages. However, the association of adaptive costs with reduced susceptibility to D. rapae parasitization was not consistently observed. Rickettsia infection did not explain the enhanced aphid defense, but it did increase aphid fecundity. Comparative small structural variants analyses of M. persicae lineages indicated that approximately 6% of SNPs and 49% of InDels were unique to each aphid lineage or shared among LP or HP lineages. Only 1.7% of SNPs and 0.91% of InDels influenced genes involved with aphid immune response. Further exploration of non-coding variants and additional omics-related approaches are needed to fully characterize the mechanisms behind the differential parasitization success of M. persicae lineages by D. rapae.

Indexed as

AphidsGenome, InsectHost-Parasite InteractionsWaspsAnimalsPolymorphism, Single NucleotideRickettsiaSymbiosisBiological controlDefensive symbiontDefensive traitsGenomic small structure variantsHost-parasitoid interactions

Identifiers

PMID41073608
PMCPMC12514246

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