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Updated: Feb 12, 2026
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Transcriptomics in forensic entomology: Research progress and prospects
Jiangtao Mei1, Siqi Liu1, Hongxu Tao2
1Department of Forensic Medicine, Soochow University, Ganjiang East Road, Suzhou 215000, China.
Legal Medicine (Tokyo, Japan)
|February 10, 2026
Summary
Transcriptomics revolutionizes forensic entomology by improving species identification and postmortem interval (PMI) estimation. This technology offers precise insect age quantification and insights into insect behavior, advancing forensic science.
Area of Science:
- Forensic entomology
- Molecular biology
- Genomics
Background:
- Traditional forensic entomology methods face limitations in species identification and postmortem interval (PMI) estimation.
- Transcriptomics offers novel molecular tools to overcome these challenges.
Purpose of the Study:
- To review the progress and future prospects of transcriptomics in forensic entomology.
- To highlight transcriptomics' role in species identification, PMI estimation, and understanding insect behavior.
Main Methods:
- Analysis of transcriptomic data for developing molecular markers (SSRs, SNPs).
- Examination of stage-specific gene expression patterns for age estimation.
- Bioinformatics approaches to analyze gene expression and identify functional genes.
Main Results:
- Transcriptomics enables accurate differentiation of closely related species using SSRs and SNPs.
- High-precision postmortem interval (PMI) estimation through gene expression analysis.
- Discovery of olfactory and resistance genes in necrophagous insects.
Conclusions:
- Transcriptomics significantly enhances accuracy in species identification and PMI estimation in forensic entomology.
- Future integration with multi-omics technologies will further advance the field.
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