Polyamines, indole-3-acetic acid and abscisic acid in rice phloem sap

T. Yokota, M. Nakayama, I. Harasawa, M. Sato, Maki Katsuhara, S. Kawabe

Research output: Contribution to journalArticle

18 Citations (Scopus)

Abstract

Putrescine, spermidine, spermine and cadaverine have been identified and quantified in rice phloem sap and shoot extracts by HPLC. It is suggested that diamines, putrescine and cadaverine, easily migrate into the phloem, while movement of a triamine, spermidine, and a tetramine, spermine, tend to be restricted. Spermine especially seems to be the most immobile among polyamines. Thus it is indicated that movement of polyamines into phloem is decreased with increasing number of amino groups. Indole-3-acetic acid and abscisic acid in rice phloem sap were also analyzed by HPLC and it is suggested that indole-3-acetic acid is transported freely into phloem, while abscisic acid is much more actively exuded into phloem.

Original languageEnglish
Pages (from-to)125-128
Number of pages4
JournalPlant Growth Regulation
Volume15
Issue number2
DOIs
Publication statusPublished - Sep 1994
Externally publishedYes

Fingerprint

Phloem
Abscisic Acid
Polyamines
polyamines
sap
indole acetic acid
phloem
abscisic acid
rice
Spermine
spermine
Cadaverine
tetramethylenedisulfotetramine
cadaverine
Putrescine
Spermidine
spermidine
putrescine
High Pressure Liquid Chromatography
diamines

Keywords

  • abscisic acid
  • auxin
  • Oryza sativa
  • phloem sap
  • polyamine
  • rice

ASJC Scopus subject areas

  • Plant Science

Cite this

Polyamines, indole-3-acetic acid and abscisic acid in rice phloem sap. / Yokota, T.; Nakayama, M.; Harasawa, I.; Sato, M.; Katsuhara, Maki; Kawabe, S.

In: Plant Growth Regulation, Vol. 15, No. 2, 09.1994, p. 125-128.

Research output: Contribution to journalArticle

Yokota, T, Nakayama, M, Harasawa, I, Sato, M, Katsuhara, M & Kawabe, S 1994, 'Polyamines, indole-3-acetic acid and abscisic acid in rice phloem sap', Plant Growth Regulation, vol. 15, no. 2, pp. 125-128. https://doi.org/10.1007/BF00024101
Yokota, T. ; Nakayama, M. ; Harasawa, I. ; Sato, M. ; Katsuhara, Maki ; Kawabe, S. / Polyamines, indole-3-acetic acid and abscisic acid in rice phloem sap. In: Plant Growth Regulation. 1994 ; Vol. 15, No. 2. pp. 125-128.
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