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The Functions of N-methyladenosine (m6A) Modification on HIV-1 mRNA

XinYu Zhong1,2, ZhuJiao Zhou1,2, Geng Yang3,4

  • 1College of Pharmacy, Zhejiang University of Technology, Hangzhou, 310013, China.

Cell Biochemistry and Biophysics
|May 16, 2024
PubMed

Insights

N6-methyladenosine (m6A) RNA modifications impact HIV-1 functionality. This review details how m6A sites in HIV-1

Area of Science:

  • Molecular Biology
  • Virology
  • Epigenetics

Background:

  • RNA modifications, particularly N6-methyladenosine (m6A), are increasingly studied for their roles in viral infections.
  • m6A is the most common internal mRNA modification, involving methylation at the adenosine N6 position, and is regulated by writers, erasers, and readers.
  • HIV-1 RNA contains m6A sites, primarily in the 5' and 3' untranslated regions (UTRs) and RRE RNA.

Purpose of the Study:

  • To review the specific effects of m6A modifications on HIV-1 functionality.
  • To consolidate current understanding of m6A's role in the viral life cycle.

Main Methods:

  • Literature review of studies investigating m6A modifications in HIV-1.
  • Analysis of m6A site distribution within the HIV-1 genome.
  • Examination of the functional consequences of m6A on viral RNA and replication.

Main Results:

  • m6A modification sites are prevalent in key regions of HIV-1 RNA, including the 5'UTR, 3'UTR, and RRE.
  • These modifications influence various aspects of HIV-1 biology, such as viral RNA stability, export, translation, and packaging.
  • The interplay between m6A regulators (writers, erasers, readers) and HIV-1 RNA dictates viral gene expression and replication.

Conclusions:

  • m6A RNA modifications play a significant and multifaceted role in regulating HIV-1 functionality.
  • Targeting m6A pathways presents a potential avenue for novel antiviral therapies against HIV-1.
Keywords:
FTOHIV-1METTL3/14YTHDF1-3m6AmRNA

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