Characterization of a predominantly pistil-expressed gene encoding a γ-thionin-like protein of Petunia inflata

Balasulojini Karunanandaa, Anuradha Singh, Teh hui Kao

Research output: Contribution to journalArticle

59 Scopus citations

Abstract

We isolated a cDNA clone from a pistil cDNA library of Petunia inflata which encodes a protein, PPT, with sequence similarity to γ-thionins. Characterization of a genomic clone containing a PPT gene revealed the presence of a single intron. Northern analysis revealed that the PPT gene was predominantly expressed in the pistil during all stages of flower development. Since thionins have been implicated in plant defense against pathogens, PPT may play a role similar to that of other defense-related proteins found in the pistil, defending the pistil against pathogen infection.

Original languageEnglish (US)
Pages (from-to)459-464
Number of pages6
JournalPlant molecular biology
Volume26
Issue number1
DOIs
StatePublished - Oct 1 1994

All Science Journal Classification (ASJC) codes

  • Agronomy and Crop Science
  • Genetics
  • Plant Science

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