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Journal / Buchreihe / Preprint-Server Nach Häufigkeit alphabetisch sortiert: BMC Genomics
Journal / Buchreihe / Preprint-Server Nach Häufigkeit alphabetisch sortiert: Chromatographia
Autor Nach Häufigkeit alphabetisch sortiert: Gabel, A
Autor Nach Häufigkeit alphabetisch sortiert: Wasternack, C
Autor Nach Häufigkeit alphabetisch sortiert: Wasternack, C.
Journal / Buchreihe / Preprint-Server Nach Häufigkeit alphabetisch sortiert: Curr Opin Plant Biol.
Journal / Buchreihe / Preprint-Server Nach Häufigkeit alphabetisch sortiert: Plant Signal Behav
Journal / Buchreihe / Preprint-Server Nach Häufigkeit alphabetisch sortiert: Z. Naturforsch.
Journal / Buchreihe / Preprint-Server Nach Häufigkeit alphabetisch sortiert: Plant and Cell Physiol.
Journal / Buchreihe / Preprint-Server Nach Häufigkeit alphabetisch sortiert: Tetrahedron
Autor Nach Häufigkeit alphabetisch sortiert: Kwaśniewska, D.
Journal / Buchreihe / Preprint-Server Nach Häufigkeit alphabetisch sortiert: Eur. J. Plant Pathol.
Autor Nach Häufigkeit alphabetisch sortiert: Kramell, R.
Autor Nach Häufigkeit alphabetisch sortiert: Grosse, I.
Autor Nach Häufigkeit alphabetisch sortiert: Schneider, G.
Journal / Buchreihe / Preprint-Server Nach Häufigkeit alphabetisch sortiert: Plant Growth Regul.
Erscheinungsjahr: 1999
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- Phytochemistry (3)
- Chromatographia (1)
- J. Chromatogr. A (1)
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- Plant Biol. (1)
- Plant Growth Regul. (1)
- Plant Physiol. (1)
- Autor Nach Häufigkeit alphabetisch sortiert
- Miersch, O. (2)
- Wasternack, C. (2)
- Atzorn, R. (1)
- Feussner, I. (1)
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- Kramell, R. (1)
- Ortel, B. (1)
- Schneider, G. (1)
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Ortel, B.; Atzorn, R.; Hause, B.; Feussner, I.; Miersch, O.; Wasternack, C.; Jasmonate-induced gene expression of barley (Hordeum vulgare) leaves - the link between jasmonate and abscisic acid Plant Growth Regul. 29, 113-122, (1999) DOI: 10.1023/A:1006212017458
In barley leaves a group of genes is expressed in response to treatment with jasmonates and abscisic acid (ABA) [21]. One of these genes coding for a jasmonate-induced protein of 23 kDa (JIP-23) was analyzed to find out the link between ABA and jasmonates by recording its expression upon modulating independently, the endogenous level of both of them. By use of inhibitors of JA synthesis and ABA degradation, and the ABA-deficient mutant Az34, as well as of cultivar-specific differences, it was shown that endogenous jasmonate increases are necessary and sufficient for expression of this gene. The endogenous rise of ABA did not induce synthesis of JIP-23, whereas exogenous ABA did not act via jasmonates. Different signalling pathways are suggested and discussed.
Kramell, R.; Miersch, O.; Schneider, G.; Wasternack, C.; Liquid chromatography of jasmonic acid amine conjugates Chromatographia 49, 42-46, (1999) DOI: 10.1007/BF02467185
Racemic jasmonic acid (3R,7R/3S,7S)-(±)-JA) was chemically conjugated with different biogenic amines originating from aliphatic and aromatic α-amino acids by decarboxylation. The resulting isomeric compounds were subjected to reversed-phase high-performance liquid chromatography (HPLC) and to HPLC on the chiral stationary phases Chiralpak AS and Nucleodex β-PM. Under reversed-phase conditions, all the homologous amine derivatives tested could be separated from each other except the JA-conjugates containing 2-phenyl-ethylamine and 3-methylbutylamine. On both chiral supports the (3R,7R)-(−)-JA conjugates eluted earlier than those of the enantiomeric counterpart (3S,7S)-(+)-JA. On Chiralpak AS all the isomers studied could be separated to baseline with a mobile phase containingn-hexane and 2-propanol. The calculated resolution factors were between 1.80 and 4.17. The pairs of isomers were also chromatographed on the cyclodextrin stationary phase Nucleodex β-PM with methanol-triethylammonium acetate buffer as mobile phase. Under these conditions resolution factors were between 0.74 and 1.29. The individual isomers were chiroptically characterized by measurement of their circular dichroism.