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

T. Yokota; M. Nakayama; I. Harasawa; M. Sato; M. Katsuhara; S. Kawabe

doi:10.1007/BF00024101

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

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

Research output: Contribution to journal › Article › peer-review

19 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 language	English
Pages (from-to)	125-128
Number of pages	4
Journal	Plant Growth Regulation
Volume	15
Issue number	2
DOIs	https://doi.org/10.1007/BF00024101
Publication status	Published - Sep 1 1994
Externally published	Yes

Keywords

Oryza sativa
abscisic acid
auxin
phloem sap
polyamine
rice

ASJC Scopus subject areas

Physiology
Agronomy and Crop Science
Plant Science

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

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.",

keywords = "Oryza sativa, abscisic acid, auxin, phloem sap, polyamine, rice",

author = "T. Yokota and M. Nakayama and I. Harasawa and M. Sato and M. Katsuhara and S. Kawabe",

year = "1994",

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doi = "10.1007/BF00024101",

language = "English",

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T1 - Polyamines, indole-3-acetic acid and abscisic acid in rice phloem sap

AU - Yokota, T.

AU - Nakayama, M.

AU - Harasawa, I.

AU - Sato, M.

AU - Katsuhara, M.

AU - Kawabe, S.

PY - 1994/9/1

Y1 - 1994/9/1

N2 - 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.

AB - 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.

KW - Oryza sativa

KW - abscisic acid

KW - auxin

KW - phloem sap

KW - polyamine

KW - rice

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ER -

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

Abstract

Keywords

ASJC Scopus subject areas

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