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Updated: Dec 27, 2025

Exploring m6A and m5C Epitranscriptomes upon Viral Infection: an Example with HIV
Published on: March 5, 2022
Association of N6-methyladenosine with viruses and virally induced diseases
Fang Wu1, Wenzhao Cheng1, Feiyuan Zhao1
1Engineering Research Center of Molecular Medicine, Ministry of Education, Huaqiao University, Xiamen, China.
Abstract:
N6-methyladenosine (m6A) modification, which alters gene expression, is the most prevalent internal modification of eukaryotic mRNA. m6A modification is dynamic and reversible that is regulated by three associated protein groups: methyltransferases or writers, demethylases or erasers, and m6A-binding proteins or readers. m6A modification is involved in all phases of RNA life, from RNA folding and structure, stability, splicing, nuclear export, translational modulation to RNA degradation. Recent findings show that the abnormal level of m6A modification causes aberrant expression of important viral genes. Here, we reviewe m6A role in gene expression and its contribution to the development of human viral diseases. Particularly, we would focus on viruses associated with human diseases including HIV-1, IAV, HBV, HCV, EBV and so on to find a novel approach and provide a new sight for the innovative treatment of human viral diseases.
Insights
N6-methyladenosine (m6A) modification regulates gene expression and is implicated in viral diseases. Understanding m6A
Area of Science:
- Molecular Biology
- Virology
- Epigenetics
Background:
- N6-methyladenosine (m6A) is the most common internal modification in eukaryotic messenger RNA (mRNA).
- m6A modification is a dynamic and reversible process regulated by writers, erasers, and readers.
- m6A plays a crucial role in various RNA metabolism stages, including structure, stability, splicing, export, translation, and degradation.
Purpose of the Study:
- To review the role of m6A modification in gene expression.
- To explore the contribution of m6A to the development of human viral diseases.
- To identify novel therapeutic strategies for viral infections by examining m6A's involvement.
Main Methods:
- Literature review of existing studies on m6A modification and viral diseases.
- Analysis of m6A's regulatory mechanisms in RNA processing.
- Focus on specific human viruses such as HIV-1, IAV, HBV, HCV, and EBV.
Main Results:
- Abnormal m6A levels are linked to aberrant expression of viral genes.
- m6A modification influences the life cycle and pathogenesis of various human viruses.
- Specific viral examples include HIV-1, Influenza A virus (IAV), Hepatitis B virus (HBV), Hepatitis C virus (HCV), and Epstein-Barr virus (EBV).
Conclusions:
- m6A modification is a significant factor in the pathogenesis of human viral diseases.
- Targeting m6A regulatory pathways presents a promising avenue for innovative antiviral therapies.
- Further research into m6A's role can provide new insights for treating viral infections.
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