The ethylene signaling pathway has a negative impact on sucrose-induced anthocyanin accumulation in Arabidopsis

Yerim Kwon, Jee Eun Oh, Hana Noh, Suk Whan Hong, Seong Hee Bhoo, Hojoung Lee

Research output: Contribution to journalArticle

23 Citations (Scopus)

Abstract

In an attempt to understand the complex regulatory mechanisms underlying sucrose-induced flavonoid biosynthesis, we examined several Arabidopsis mutants with altered anthocyanin accumulation. We determined that disruption of ethylene signaling results in a dramatic increase in sucrose-induced anthocyanin accumulation. Furthermore, we investigated why the ein2-1 (ethylene insensitive) Arabidopsis mutant accumulates higher levels of anthocyanin in response to sucrose than wild-type Arabidopsis. An increased level of PAP1 transcript in the ein2-1 mutant appears to be the main factor responsible for the increased accumulation of anthocyanin in response to sucrose. Therefore, our results indicate that the ethylene signaling pathway plays a negative role in sucrose-induced anthocyanin accumulation. We believe that the explanation for this observation may be related to the initiation of the senescence program in plants.

Original languageEnglish
Pages (from-to)193-200
Number of pages8
JournalJournal of Plant Research
Volume124
Issue number1
DOIs
Publication statusPublished - 2011 Jan 1

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anthocyanins
ethylene
Arabidopsis
sucrose
mutants
flavonoids
biosynthesis

Keywords

  • Anthocyanin
  • Arabidopsis thaliana
  • EIN2
  • PAP1
  • Sucrose

ASJC Scopus subject areas

  • Plant Science

Cite this

The ethylene signaling pathway has a negative impact on sucrose-induced anthocyanin accumulation in Arabidopsis. / Kwon, Yerim; Oh, Jee Eun; Noh, Hana; Hong, Suk Whan; Bhoo, Seong Hee; Lee, Hojoung.

In: Journal of Plant Research, Vol. 124, No. 1, 01.01.2011, p. 193-200.

Research output: Contribution to journalArticle

Kwon, Yerim ; Oh, Jee Eun ; Noh, Hana ; Hong, Suk Whan ; Bhoo, Seong Hee ; Lee, Hojoung. / The ethylene signaling pathway has a negative impact on sucrose-induced anthocyanin accumulation in Arabidopsis. In: Journal of Plant Research. 2011 ; Vol. 124, No. 1. pp. 193-200.
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