Intron position affects expression from the tpi promoter in rice

Kimberley C. Snowden, Wallace G. Buchhholz, Timothy C. Hall

Research output: Contribution to journalArticlepeer-review

35 Scopus citations


A series of promoter-GUS fusion constructs containing a portion of the rice triosephosphate isomerase (tpi) promoter, the first tpi intron, and the gene encoding bacterial β-glucuronidase (GUS) were made. These constructs were electroporated into rice protoplasts and transient expression was monitored. Inclusion of the first intron from the rice tpi gene enhanced expression of the GUS gene from the tpi promoter when it was placed 5' of the GUS gene. When the tpi intron was placed in the 3'-untranslated region no enhancement of GUS gene expression was observed, indicating the importance of position in intron-mediated enhancement of gene expression.

Original languageEnglish (US)
Pages (from-to)689-692
Number of pages4
JournalPlant Molecular Biology
Issue number3
StatePublished - 1996
Externally publishedYes


  • GUS
  • intron
  • rice
  • tpi
  • transient expression

ASJC Scopus subject areas

  • Agronomy and Crop Science
  • Genetics
  • Plant Science


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