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A Complete Pipeline for Isolating and Sequencing MicroRNAs, and Analyzing Them Using Open Source Tools
Published on: August 21, 2019
Identification of virus encoding microRNAs using 454 FLX sequencing platform.
1Department of Poultry Science, and Cell and Molecular Biology Program, University of Arkansas, Fayetteville, AR, USA. bkong@uark.edu
Methods in Molecular Biology (Clifton, N.J.)
|March 25, 2011
Summary
Researchers identified microRNAs (miRNAs) from infectious laryngotracheitis virus (ILTV) using next-generation sequencing. These viral miRNAs can regulate gene expression in chickens, impacting respiratory health.
Area of Science:
- Molecular Biology
- Virology
- Genomics
Background:
- MicroRNAs (miRNAs) are small noncoding RNA molecules regulating gene expression post-transcriptionally.
- Many viruses, particularly herpesviruses, express their own miRNAs that can affect host and viral gene activity.
- Infectious laryngotracheitis virus (ILTV) is an alphaherpesvirus causing respiratory disease in chickens.
Purpose of the Study:
- To identify and characterize microRNAs expressed by the infectious laryngotracheitis virus (ILTV).
- To investigate the potential role of viral miRNAs in ILTV pathogenesis.
Main Methods:
- Small RNA enrichment techniques were employed.
- Next-generation sequencing, specifically the 454 FLX platform, was utilized for high-throughput identification of small RNAs.
- Bioinformatic analysis was performed to identify viral miRNAs.
Main Results:
- The study successfully identified several microRNAs expressed by ILTV.
- These findings demonstrate the utility of next-generation sequencing for rapid discovery of viral small RNAs.
- The identified viral miRNAs provide a basis for understanding their regulatory functions.
Conclusions:
- ILTV expresses a repertoire of microRNAs.
- Next-generation sequencing significantly accelerates the identification of viral small RNAs compared to traditional methods.
- Further research is warranted to elucidate the specific functions of ILTV-encoded miRNAs in host-pathogen interactions.
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