Related Experiment Video
Updated: Jan 29, 2026
14:40
Exploring m6A and m5C Epitranscriptomes upon Viral Infection: an Example with HIV
Published on: March 5, 2022
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Transcriptomic and Epitranscriptomic Landscape of Integrated HTLV-1 in MT2 Cells
Shuanglong Wei1,2, Bohan Zhang2, Jingwan Han2
1School of Public Health and Health Management, Gannan Medical University, Ganzhou 341000, China.
Viruses
|January 28, 2026
Summary
Human T-lymphotropic virus type 1 (HTLV-1) RNA processing and modifications were profiled using direct RNA sequencing. This study reveals novel insights into HTLV-1 gene regulation and disease mechanisms.
Area of Science:
- Virology
- Molecular Biology
- Genomics
Background:
- Human T-lymphotropic virus type 1 (HTLV-1) is associated with severe diseases like adult T-cell leukemia.
- The post-transcriptional regulation of HTLV-1 remains largely uncharacterized.
- Understanding HTLV-1 RNA processing is crucial for elucidating its pathogenic mechanisms.
Purpose of the Study:
- To comprehensively profile the HTLV-1 transcriptome and epitranscriptome.
- To identify novel transcript isoforms and characterize RNA modifications.
- To gain insights into the post-transcriptional regulation of HTLV-1.
Main Methods:
- Utilized Oxford Nanopore direct RNA sequencing technology.
- Analyzed RNA splicing, polyadenylation, and RNA modifications in MT2 cells infected with HTLV-1.
- Compared viral RNA characteristics with cellular RNA.
Main Results:
- Identified 23 HTLV-1 transcript isoforms, including novel splice variants.
- Characterized predominant poly(A) tail lengths and transcript-specific variations.
- Detected distinct RNA modifications (pseudouridine, m6A, m5C) enriched at the 3' end, with lower ratios in viral transcripts.
Conclusions:
- Provided a detailed map of HTLV-1 RNA splicing, polyadenylation, and modifications.
- Revealed transcript-specific variations in RNA modifications.
- Offered new perspectives on HTLV-1 gene regulation and potential pathogenic roles.
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