Comparison of cytokinin activities of naturally occurring ribonucleosides and corresponding bases

Ruth Y. Schmitz; Folke Skoog; Sidney M. Hecht; Robert M. Bock; Nelson J. Leonard

doi:10.1016/0031-9422(72)85006-4

Comparison of cytokinin activities of naturally occurring ribonucleosides and corresponding bases

Ruth Y. Schmitz, Folke Skoog, Sidney M. Hecht, Robert M. Bock, Nelson J. Leonard

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

28 Scopus citations

Abstract

Cytokinin activities in the tobacco bioassay have been determined for four adenosine derivatives known to be components of wheat germ tRNA: 6-(4-hydroxy-3-methyl-2-butenylamino)-9-β-d-ribofuranosylpurine, 6-(3-methyl-2-butenylamino)-9-β-d-ribofuranosylpurine, 6-(4-hydroxy-3-methyl-2-butenylamino)- 2-methylthio-9-β-d-ribofuranosylpurine, and 6-(3-methyl-2-butenylamino)-2-methylthio-9-β-d-ribofuranosylpurine. Also determined and compared with the four natural components of tRNA were the activities of the four 3-methylbutylamino analogs of the naturally occurring species and the eight substituted purines corresponding to both sets of ribonucleosides. The systematic structural modifications within this group of sixteen compounds were reflected in the variations in cytokinin activity with the level of modification.

Original language	English (US)
Pages (from-to)	1603-1610
Number of pages	8
Journal	Phytochemistry
Volume	11
Issue number	5
DOIs	https://doi.org/10.1016/0031-9422(72)85006-4
State	Published - May 1972
Externally published	Yes

Keywords

Cytokinins
natural ribonucleosides
plant hormones, activity comparisons

ASJC Scopus subject areas

Biochemistry
Molecular Biology
Plant Science
Horticulture

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title = "Comparison of cytokinin activities of naturally occurring ribonucleosides and corresponding bases",

abstract = "Cytokinin activities in the tobacco bioassay have been determined for four adenosine derivatives known to be components of wheat germ tRNA: 6-(4-hydroxy-3-methyl-2-butenylamino)-9-β-d-ribofuranosylpurine, 6-(3-methyl-2-butenylamino)-9-β-d-ribofuranosylpurine, 6-(4-hydroxy-3-methyl-2-butenylamino)- 2-methylthio-9-β-d-ribofuranosylpurine, and 6-(3-methyl-2-butenylamino)-2-methylthio-9-β-d-ribofuranosylpurine. Also determined and compared with the four natural components of tRNA were the activities of the four 3-methylbutylamino analogs of the naturally occurring species and the eight substituted purines corresponding to both sets of ribonucleosides. The systematic structural modifications within this group of sixteen compounds were reflected in the variations in cytokinin activity with the level of modification.",

keywords = "Cytokinins, natural ribonucleosides, plant hormones, activity comparisons",

author = "Schmitz, {Ruth Y.} and Folke Skoog and Hecht, {Sidney M.} and Bock, {Robert M.} and Leonard, {Nelson J.}",

year = "1972",

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doi = "10.1016/0031-9422(72)85006-4",

language = "English (US)",

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AU - Schmitz, Ruth Y.

AU - Skoog, Folke

AU - Hecht, Sidney M.

AU - Bock, Robert M.

AU - Leonard, Nelson J.

PY - 1972/5

Y1 - 1972/5

N2 - Cytokinin activities in the tobacco bioassay have been determined for four adenosine derivatives known to be components of wheat germ tRNA: 6-(4-hydroxy-3-methyl-2-butenylamino)-9-β-d-ribofuranosylpurine, 6-(3-methyl-2-butenylamino)-9-β-d-ribofuranosylpurine, 6-(4-hydroxy-3-methyl-2-butenylamino)- 2-methylthio-9-β-d-ribofuranosylpurine, and 6-(3-methyl-2-butenylamino)-2-methylthio-9-β-d-ribofuranosylpurine. Also determined and compared with the four natural components of tRNA were the activities of the four 3-methylbutylamino analogs of the naturally occurring species and the eight substituted purines corresponding to both sets of ribonucleosides. The systematic structural modifications within this group of sixteen compounds were reflected in the variations in cytokinin activity with the level of modification.

AB - Cytokinin activities in the tobacco bioassay have been determined for four adenosine derivatives known to be components of wheat germ tRNA: 6-(4-hydroxy-3-methyl-2-butenylamino)-9-β-d-ribofuranosylpurine, 6-(3-methyl-2-butenylamino)-9-β-d-ribofuranosylpurine, 6-(4-hydroxy-3-methyl-2-butenylamino)- 2-methylthio-9-β-d-ribofuranosylpurine, and 6-(3-methyl-2-butenylamino)-2-methylthio-9-β-d-ribofuranosylpurine. Also determined and compared with the four natural components of tRNA were the activities of the four 3-methylbutylamino analogs of the naturally occurring species and the eight substituted purines corresponding to both sets of ribonucleosides. The systematic structural modifications within this group of sixteen compounds were reflected in the variations in cytokinin activity with the level of modification.

KW - Cytokinins

KW - natural ribonucleosides

KW - plant hormones, activity comparisons

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