Evidence map›Paper›PMID 41330993›Full record

ArticleScientific reports2025

Tissue-specific transcriptomic and endocrine signatures of obligatory reproductive diapause in Eurygaster integriceps.

Zeynab Alborzi, Azam Amiri, Maria Dolors Piulachs, Ali R Bandani

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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. Cited by 2 papers.

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2citing papers in PubMed
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1 · What the graph read from it

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2 · The registry

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3 · Its place in the literature

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2 citing papers in PubMed.

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4 · The record

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5 · Who and what money

Authors and funding

4 authors.

Zeynab AlborziDepartment of Plant Protection, College of Agriculture and Natural Resources, University of Tehran, Karaj, Iran.
Azam AmiriDepartment of Landscape Engineering, Faculty of Geography and Environmental Planning, University of Sistan and Baluchestan, Zahedan, Iran.
Maria Dolors PiulachsInstitut de Biologia Evolutiva (CSIC-Universitat Pompeu Fabra), Passeig Maritim de la Barceloneta, 37, 08003, Barcelona, Spain.
Ali R BandaniDepartment of Plant Protection, College of Agriculture and Natural Resources, University of Tehran, Karaj, Iran. abandani@ut.ac.ir.

Funding

the Iran National Science Foundation (INSF) No. 99017766
6 · The paper itself

Abstract

Obligatory reproductive diapause is a hormonally regulated, developmentally programmed state occurring independently of environmental cues. Despite its prevalence in univoltine insects, the molecular regulation remains unclear. The Sunn pest Eurygaster integriceps (Hemiptera: Scutelleridae), a univoltine wheat and barley pest, alternates between a reproductive phase in early spring and diapause during summer to winter. This study investigated the molecular basis of diapause and reproductive activation in this species. Transcriptomic profiling of brain tissues (including corpora allata and corpora cardiaca) and fat body revealed key components of the juvenile hormone (JH) pathway: juvenile hormone acid methyltransferase (JHAMT), Methoprene-tolerant (Met), and Vitellogenin (Vg). De novo assembly of high-quality RNA-seq data yielded 12,557 and 15,684 contigs from brain and fat body tissues, respectively. BUSCO analysis confirmed completeness of 81.6% and 86.5% of core insect orthologs in these assemblies. The full-length JHAMT cDNA (837 bp) encoded a 278-aa cytoplasmic protein; Met (2031 bp) encoded a 665-aa nuclear protein; and Vg (5220 bp) encoded a 1708-aa secretory protein with a signal peptide. Expression profiling via qPCR revealed synchronized transcriptional dynamics of JHAMT, Met, and Vg, with significantly elevated levels in reproductively active females, and reduced expression during diapause phases. These results indicate that diapause in E. integriceps is orchestrated via a conserved JH-Met pathway, with Vg playing a central role in reproductive competence. This study provides the first molecular evidence for hormonally mediated obligatory diapause in E. integriceps, identifying potential RNAi targets for pest control and offering a model for studying diapause evolution in the Sunn pest.

Indexed as

DiapauseDiapause, InsectHemipteraTranscriptomeAnimalsBrainFat BodyFemaleGene Expression ProfilingInsect ProteinsJuvenile HormonesOrgan SpecificityReproductionVitellogeninsInsect ProteinsJuvenile HormonesVitellogeninsDiapauseEurygaster integricepsGene expressionJHAMTJuvenile hormoneMethoprene-tolerantPest controlRNA interferenceVitellogenin

Identifiers

PMID41330993
PMCPMC12672694

What Socratic holds

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LicenceCC BY-NC-ND
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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the Socratic graph.