Full-length single-gene cDNA libraries: Applications in splice variant analysis

Melissa R. Regan, Mark C. Emerick, William Agnew

Research output: Contribution to journalArticle

Abstract

Alternative splicing of pre-mRNA may generate many distinct proteins from a single gene: Regulation of alternative exon selection constitutes control of molecular structure downstream of transcription. Identifying natural splice variants among hundreds or thousands of theoretical alternatives, and examining the regulation of exon selection at multiple sites, may require screening many full-length cDNAs. We describe methods for preparing full-length cDNA libraries comprising the splice variants from single genes. The methods employ robust long distance reverse transcription, gene-specific second strand synthesis, long PCR, and cloning: With these methods cDNAs coding full-length open reading frames were prepared for 21 ion channels (1.2-15 kb). Exon combinations in isolated clones are determined by multiplex PCR. Approximately 85% of the clones contain full-length inserts. Screening can detect even rare variants (0.1%) in linear proportion to their abundance in initial mRNA pools. Tissue-specific expression patterns are reproducible. We describe methods for quantifying and rainimizing artifactual exon recombination by template switching. These methods can be used to generate thousands of full-length clones of even large transcripts (>8 kb) for the systematic identification of splice variants and the analysis of regulation of alternative exon selection. (C) 2000 Academic Press.

Original languageEnglish (US)
Pages (from-to)265-276
Number of pages12
JournalAnalytical Biochemistry
Volume286
Issue number2
DOIs
StatePublished - Nov 15 2000

Fingerprint

Gene Library
Exons
Genes
Clone Cells
Transcription
Screening
Complementary DNA
Cloning
Multiplex Polymerase Chain Reaction
RNA Precursors
Alternative Splicing
Molecular Structure
Ion Channels
Gene expression
Molecular structure
Genetic Recombination
Open Reading Frames
Reverse Transcription
Organism Cloning
Tissue

Keywords

  • Alternative splicing
  • Exon scanning PCR
  • Full-length cloning
  • Library complexity
  • RT-PCR
  • Single-gene libraries
  • Spliceosome regulation
  • Template switching

ASJC Scopus subject areas

  • Biochemistry
  • Biophysics
  • Molecular Biology

Cite this

Full-length single-gene cDNA libraries : Applications in splice variant analysis. / Regan, Melissa R.; Emerick, Mark C.; Agnew, William.

In: Analytical Biochemistry, Vol. 286, No. 2, 15.11.2000, p. 265-276.

Research output: Contribution to journalArticle

Regan, Melissa R. ; Emerick, Mark C. ; Agnew, William. / Full-length single-gene cDNA libraries : Applications in splice variant analysis. In: Analytical Biochemistry. 2000 ; Vol. 286, No. 2. pp. 265-276.
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