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Global detection and identification of developmental stage specific transcripts in mouse brain using subtractive

Yi Lv1, Zhixiang Zuo, Xiao Xu

  • 1College of Life Sciences, Central China Normal University, Wuhan, PR China.

Genomics
|May 17, 2013
PubMed
Summary

This study profiles alternative splicing transcripts during mouse brain development, identifying stage-specific patterns and chromosome preferences. Findings aid understanding of gene regulation and potential links to human brain diseases.

Keywords:
ASAlternative splicingESTNCBINational Center for Biotechnology InformationNervous system developmentSplice databaseSplice sitesalternative splicingexpressed sequence tagmRNAmessage RNA

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Area of Science:

  • Genomics
  • Molecular Biology
  • Neuroscience

Background:

  • Pre-mRNA splicing is vital for genetic regulation and translational diversity.
  • Understanding alternative splicing offers insights into complex gene regulatory mechanisms.
  • Alternative splicing impacts organismal development, especially in neural and immune systems.

Purpose of the Study:

  • To identify and profile alternative splicing transcripts during mouse brain development.
  • To investigate developmental stage-specific splicing patterns and genomic features.

Main Methods:

  • Employed a subtractive cross-screening algorithm to identify alternative splicing transcripts.
  • Analyzed transcripts across different stages of embryonic mouse brain morphogenesis.

Main Results:

  • Identified 195 transcripts during organogenesis, 1629 in fetuses, 116 in juveniles, and 148 in adults.
  • Discovered chromosome preferences between prenatal and postnatal transcripts.
  • Noted distinct genomic features in splicing sites and types across developmental stages.

Conclusions:

  • Provides a comprehensive profile of alternative splicing transcripts in mouse brain morphogenesis.
  • Reveals developmental stage-specific transcripts, splicing sites, and chromosome preferences.
  • The DMBAS database and findings offer a foundation for future research on human brain diseases.