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Related Experiment Video

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Methods to Discover Alternative Promoter Usage and Transcriptional Regulation of Murine Bcrp1
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An Integrated Database for Exploring Alternative Promoters in Animals.

Feiyang Xue1, Yuqin Yan1, Weiwei Jin1

  • 1Hubei Key Laboratory of Agricultural Bioinformatics, College of Informatics, Huazhong Agricultural University, Wuhan, 430070, China.

Scientific Data
|February 7, 2025
PubMed
Summary

Alternative promoter (AP) events regulate gene expression by initiating different transcription start sites. This study characterizes APs in animals, revealing tissue-specific and trait-related promoters, and introduces Animal-APdb for further research.

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Area of Science:

  • Genomics
  • Molecular Biology
  • Bioinformatics

Background:

  • Alternative promoter (AP) usage is a key pre-transcriptional regulatory mechanism.
  • APs generate distinct mRNA isoforms and are linked to human diseases and complex traits.
  • The full landscape of APs in animals remains largely unexplored.

Purpose of the Study:

  • To systematically characterize alternative promoter profiles across multiple animal species.
  • To identify tissue-specific APs and trait-associated promoters.
  • To develop a comprehensive database for animal APs.

Main Methods:

  • Analysis of 102,349 AP profiles from 23,077 samples across 12 species.
  • Identification of tissue-specific and trait-related promoters.
  • Investigation of AP associations with enhancer RNAs (eRNA) and transcription factors (TF).

Main Results:

  • Characterization of a large-scale dataset of animal APs.
  • Discovery of tissue-specific APs and promoters associated with specific traits.
  • Identification of potential regulatory factors, including eRNAs and TFs, interacting with APs.

Conclusions:

  • This study provides a comprehensive overview of APs in animals.
  • The developed Animal-APdb database serves as a valuable resource for studying AP functions and regulatory mechanisms.
  • Findings facilitate further research into the role of APs in animal biology and disease.