Multiple hormone treatment revealed novel cooperative relationships between abscisic acid and biotic stress hormones in cultured cells

Mami Okamoto, Yuuri Tsuboi, Hideki Goda, Takeshi Yoshizumi, Yukihisa Shimada, Takashi Hirayama

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

Phytohormones have vigorous crosstalk relationships. For example, abscisic acid (ABA), a hormone involved in abiotic stress responses, has antagonistic interactions with plant hormones that play pivotal roles in defense responses, including salicylic acid (SA) and methyl-jasmonic acid (MeJA). Evidence indicates that the relationships among these plant hormones extend beyond simple antagonism. To explore the interplay between hormones in detail, we analyzed the effects of double hormone treatment on gene expression. By contrast to the antagonistic effects reported previously, our data indicates that ABA interacts with SA and MeJA cooperatively as well. Particularly many genes responded only to double hormone treatment, and, interestingly, the loci that responded to ABA+SA also responded to ABA+MeJA. The expression of early-response genes following double hormone treatment did not fit the linear superposition of individual hormone treatments, in contrast to mammalian and prokaryotic cell responses to multiple chemical stimuli. Thus, synergies in these plant hormone signalings are not simply the sum of individual responses. ABA and SA collaboratively down-regulated the expression of genes involved in cell cycle progression at G2/M phase. Presumably, plants interpret combined hormone signals differently from individual signals in order to respond appropriately to their environmental conditions.

Original languageEnglish
Pages (from-to)19-34
Number of pages16
JournalPlant Biotechnology
Volume29
Issue number1
DOIs
Publication statusPublished - 2012

Fingerprint

Abscisic Acid
biotic stress
cultured cells
cooperatives
abscisic acid
Cultured Cells
hormones
Hormones
Plant Growth Regulators
Salicylic Acid
salicylic acid
plant hormones
methyl jasmonate
Prokaryotic Cells
Gene Expression
gene expression
G2 Phase
prokaryotic cells
Cell Division
mitosis

Keywords

  • Abscisic acid
  • Arabidopsis cultured cell
  • Jasmonic acid
  • Salicylic acid
  • Transcriptome

ASJC Scopus subject areas

  • Plant Science
  • Biotechnology
  • Agronomy and Crop Science

Cite this

Multiple hormone treatment revealed novel cooperative relationships between abscisic acid and biotic stress hormones in cultured cells. / Okamoto, Mami; Tsuboi, Yuuri; Goda, Hideki; Yoshizumi, Takeshi; Shimada, Yukihisa; Hirayama, Takashi.

In: Plant Biotechnology, Vol. 29, No. 1, 2012, p. 19-34.

Research output: Contribution to journalArticle

Okamoto, Mami ; Tsuboi, Yuuri ; Goda, Hideki ; Yoshizumi, Takeshi ; Shimada, Yukihisa ; Hirayama, Takashi. / Multiple hormone treatment revealed novel cooperative relationships between abscisic acid and biotic stress hormones in cultured cells. In: Plant Biotechnology. 2012 ; Vol. 29, No. 1. pp. 19-34.
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