Regulatory significance of terminator: A systematic approach for dissecting terminator-mediated enhancement of upstream mRNA stability
2024

Understanding Terminators and Their Role in mRNA Stability

publication 10 minutes Evidence: high

Author Information

Author(s): Ren Jia-Wei, Zhang Jin-Peng, Mei Zi-Lun, Shao Jia-Yi, Xu Guo-Qiang, Li Hui, Gong Jin-Song, Zhang Xiao-Mei, Shi Jin-Song, Zhang Xiao-juan, Xu Zheng-hong

Primary Institution: Jiangnan University

Hypothesis

The study investigates how terminators affect upstream mRNA stability and gene expression.

Conclusion

Strong terminators significantly enhance upstream mRNA stability and gene expression.

Supporting Evidence

  • Strong terminators increased transcript abundance by an average of 2.2 times compared to weak terminators.
  • High GC content at the base of hairpin structures correlates with increased mRNA stability.
  • Terminator variants were validated across various expression systems, showing consistent results.

Takeaway

This study shows that certain parts of DNA called terminators help keep messages from genes stable, which makes it easier for cells to make proteins.

Methodology

The study constructed a terminator mutation library and used FlowSeq technology and high-throughput sequencing to analyze the effects of different terminators on mRNA stability.

Limitations

The study may not account for all genetic contexts and variations in different organisms.

Digital Object Identifier (DOI)

10.1016/j.synbio.2024.11.006

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