Enhanced level of anthocyanin leads to increased salt tolerance in arabidopsis PAP1-D plants upon sucrose treatment

Jee Eun Oh, Young Hye Kim, Jun Hyeok Kim, Ye Rim Kwon, Hojoung Lee

Research output: Contribution to journalArticle

26 Citations (Scopus)

Abstract

Many lines of evidence indicate that the increased activity of enzymes involved in phenolic compound biosynthesis and the subsequent accumulation of these compounds correlate with plant resistance to abiotic and biotic stresses. The production of anthocyanin pigment gene (PAP1) was previously identified using an activation tagging approach in Arabidopsis thaliana. A. thaliana PAP1-Dominant (pap1-D) mutant was generated by activation tagging. Throughout development, the pap1-D plant exhibited massive and widespread activation of genes encoding enzymes involved in phenylpropanoid natural product biosynthesis. Due to increased anthocyanin levels, pap1-D showed enhanced tolerance to salt, an important abiotic stress imposed on plants. In pap1-D plants, PAP1 transcript accumulation increased significantly in response to salt stress and abscisic acid. Enhanced anthocyanin levels induced by sucrose treatment increased the chance of survival of pap1-D and wild-type plants exposed to a high salt medium. Taken together, results of the present study indicate that genetic engineering of the flavonoid biosynthetic pathway can be used for successful improvement of plant survival in arid areas.

Original languageEnglish
Pages (from-to)79-88
Number of pages10
JournalJournal of Applied Biological Chemistry
Volume54
Issue number1
DOIs
Publication statusPublished - 2011 Mar 22

Fingerprint

Anthocyanins
Salt-Tolerance
Sugar (sucrose)
Arabidopsis
Sucrose
Salts
Chemical activation
Biosynthesis
Enzymes
Genetic engineering
Flavonoids
Abscisic Acid
Gene encoding
Biological Products
Pigments
Genes
Genetic Engineering
Acids
Biosynthetic Pathways
Transcriptional Activation

Keywords

  • Abscisic acid
  • Anthocyanin
  • Arabidopsis thaliana
  • Production of anthocyanin pigment 1
  • Salt stress
  • Sucrose

ASJC Scopus subject areas

  • Organic Chemistry
  • Bioengineering
  • Biochemistry, Genetics and Molecular Biology(all)

Cite this

Enhanced level of anthocyanin leads to increased salt tolerance in arabidopsis PAP1-D plants upon sucrose treatment. / Oh, Jee Eun; Kim, Young Hye; Kim, Jun Hyeok; Kwon, Ye Rim; Lee, Hojoung.

In: Journal of Applied Biological Chemistry, Vol. 54, No. 1, 22.03.2011, p. 79-88.

Research output: Contribution to journalArticle

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