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Comprehensive full-Length transcriptomic resource for wing dimorphism in English green aphid, Sitobion avenae
Yi Yan1, Qiuting Lv1, Guohua Wei1
1State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, 100193, China.
Scientific Data
|June 19, 2025
Summary
Researchers studied wing dimorphism in English green aphids (Sitobion avenae), a wheat pest. They identified 71 potential regulatory genes involved in wing development and other key biological processes.
Area of Science:
- Insect molecular biology
- Genomics
- Developmental biology
Background:
- Wing dimorphism is a key trait in the English green aphid (Sitobion avenae), a significant agricultural pest.
- Understanding the molecular basis of this polyphenism is crucial for pest management and insect evolution research.
Purpose of the Study:
- To generate a comprehensive transcriptomic dataset for winged and wingless morphs of Sitobion avenae.
- To identify candidate genes regulating wing development and polymorphism.
Main Methods:
- Utilized PacBio SMRT and Illumina HiSeq sequencing for full-length transcriptome generation.
- Processed over 2.3 million circular consensus sequences (CCSs), with a high proportion of full-length non-chimeric reads (FLNC).
- Performed differential gene expression analysis across developmental stages.
Main Results:
- Generated a substantial dataset of aphid transcriptomes, with functional annotation for 43,219 transcripts.
- Identified 71 candidate genes potentially regulating wing polymorphism.
- These genes are linked to wing development, hormone biosynthesis, energy metabolism, and cell death pathways.
Conclusions:
- The generated dataset serves as a valuable molecular resource for studying aphid wing polyphenism.
- Findings offer insights into the genetic regulation of insect development and may have broader applications in entomology.
