Plant Growth Regulatory Substances Both of Microbial and Plant Origin

Gross, D.

doi:10.1007/978-3-642-48787-3_1

Chemistry of Plant Protection

1991

DOI: 10.1007/978-3-642-48787-3_1

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Plant Growth Regulatory Substances Both of Microbial and Plant Origin

D. Gross

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Cited by 5 publications

(1 citation statement)

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“…1) have been found to be widely distributed in plants (Meyer et al 1984) and are considered to be representatives of a new type of endogenously occurring plant growth regulator with hormone-like properties (see for example, Gross 1990, Sembdner and Gross 1986, Sembdner and Klose 1985. A few studies concerning the biosynthesis of JA have been published Zimmerman 1983, 1984).…”

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Amino acid conjugates as metabolites of the plant growth regulator dihydrojasmonic acid in barley (Hordeum vulgare)

Meyer

Schmidt

Gross

et al. 1991

J Plant Growth Regul

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Abstract. The biotransformation of [2-14C](--+-)9, 10-dihydrojasmonic acid (DJA) was studied in excised shoots of 6-day-old barley seedlings after 72 h. From the ethyl acetate extract, some minor metabolites were isolated and purified by DEAE-Sephadex A-25 chromatography, thin-layer chromatography (TLC), Cls-cartridges, and high-performance liquid chromatography (HPLC). The structural identification of these metabolites was performed by gas chromatography-mass spectrometry (GC-MS), circular dichroism (CD), and amino acid analysis, and the following amino acid conjugates were found: N-I(-)9,10-dihydrojasmonoyl]valine, N-[( -)9,10-dihydrojasmonoyl]isoleucine, N-J9,10-dihydrojasmonoyl]leucine, N-[11-hydroxy-9,10-dihydrojasmonoyl]valine, N-[ 11-hydroxy-9,10-dihydrojasmonoyl]isoleucine, N-[12-hydroxy-9, 10-dihydrojasmonoyl]isoleucine; and the cucurbic acid-related compounds N-{[3-hydroxy-2(4-hydroxypentyl)-cyclopent-1-yl]-acetyl}isoleucine and N-{[3-hydroxy-2(5-hydroxypentyl)-cyctopent-1-yl]-acetyl}isoleucine. The results suggest conjugation with isoleucine and valine, as well as preferential hydroxylation at position C-11 or hydrogenation at position C-6, as being important steps in the metabolism of (-+)DJA in barley shoots.( -)Jasmonic acid [( -)JA] and its methyl ester (Fig.

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confidence: 99%

Amino acid conjugates as metabolites of the plant growth regulator dihydrojasmonic acid in barley (Hordeum vulgare)

Meyer

Schmidt

Gross

et al. 1991

J Plant Growth Regul

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Novel natural substances acting in plant growth regulation

Gross

Parthier

1994

J Plant Growth Regul

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Plant hormones and plant growth regulators in plant tissue culture

Gaspar

Kevers

Penel

et al. 1996

In Vitro Cell.Dev.Biol.-Plant

438

218

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Plant Growth Regulatory Substances Both of Microbial and Plant Origin

Cited by 5 publications

References 303 publications

Amino acid conjugates as metabolites of the plant growth regulator dihydrojasmonic acid in barley (Hordeum vulgare)

Amino acid conjugates as metabolites of the plant growth regulator dihydrojasmonic acid in barley (Hordeum vulgare)

Novel natural substances acting in plant growth regulation

Plant hormones and plant growth regulators in plant tissue culture

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