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Publications - Molecular Signal Processing

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Publications

Wasternack, C.; Hause, B. Jasmonsäure – ein universelles Pflanzenhormon: Blütenduft, Abwehr, Entwicklung Biologie in unserer Zeit 44, 164 - 171, (2014) DOI: 10.1002/biuz.201410535

Jasmonsäure (JA) und ihre Metaboliten kommen in allen niederen und höheren Pflanzen vor. Sie sind universell wirksame, aus Lipiden gebildete Signalstoffe bei der Abwehr von biotischem und abiotischem Stress sowie in der pflanzlichen Entwicklung. Rezeptor und Komponenten von JA–Signalketten wurden identifiziert. In der Entwicklung von Blüten, Früchten, Samen, Trichomen oder in der Abwehr von Insekten und Pathogenen treten ähnliche JA-vermittelte Signalproteine auf, die eine Feinregulation der Prozesse erlauben und eine Verbindung (cross-talk) zu anderenPflanzenhormonen aufweisen.
Publications

Guranowski, A.; Miersch, O.; Staswick, P.E.; Suza, W.; Wasternack, C. Substrate specificity and products of side-reactions catalyzed by jasmonate:amino acid synthetase (JAR1) FEBS Letters 581, 815-820, (2007) DOI: 10.1016/j.febslet.2007.01.049

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Publications

Flores, R.; Delgado, S.; Gas, M.E.; Carbonell, A.; Molina, D.; Gago, S.; de la Peña, M. Viroids: the minimal non-coding RNA's with autonomous replication FEBS Letters 567, 42-48, (2004)

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Publications

Wasternack, C.; Hause, B. Jasmonate - Signale zur Stressabwehr und Entwicklung in Pflanzen Biologie in unserer Zeit 30, 312-319, (2000)

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Publications

Morgan, K.E.; Zarembinski, T.I.; Theologis, A.; Abel, S. Biochemical characterization of recombinant polypeptides corresponding to the predicted ßαα-fold in Aux/IAA proteins FEBS Letters 454, 283-287, (1999)

The plant hormone indoleacetic acid (IAA or auxin) transcriptionally activates a select set of early genes. The Auxl IAA class of early auxin-responsive genes encodes a large family of short-lived, nuclear proteins. Aux/IAA polypeptides homo-and heterodimerize, and interact with auxin-response transcription factors (ARFs) via C-terminal regions conserved in both protein families. This shared region contains a predicted βαα motif similar to the prokaryotic β-Ribbon DNA binding domain, which mediates both protein dimerization and DNA recognition. Here, we show by circular dichroism spectroscopy and by chemical cross-linking experiments that recombinant peptides corresponding to the predicted βαα region of three Aux/IAA proteins from Arabidopsis thaliana contain substantial α-helical secondary structure and undergo homo- and heterotypic interactions in vitro. Our results indicate a similar biochemical function of the plant βαα domain and suggest that the βαα fold plays an important role in mediating combinatorial interactions of Aux/IAA and ARF proteins to specifically regulate secondary gene expression in response to auxin.
Publications

Bohlmann, H.; Vignutelli, A.; Hilpert, B.; Miersch, O.; Wasternack, C.; Apel, K. Wounding and chemicals induce expression of the Arabidopsis gene Thi2.1, encoding a fungal defense thionin, via the octadecanoid pathway FEBS Letters 437, 281-286, (1998)

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Publications

Feussner, K.; Feussner, I.; Leopold, I.; Wasternack, C. Isolation of a cDNA coding for an ubiquitin-conjugating enzyme UBCI of tomato - the first stress-induced UBC of higher plants FEBS Letters 409, 211-215, (1997)

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Publications

Hertel, S.; Knöfel, H.-D.; Kramell, R.; Miersch, O. Partial purification and characterization of a jasmonic acid conjugate cleaving amidohydrolase from the fungus <EM>Botryodiplodia theobromae</EM> FEBS Letters 407, 105-110, (1997)

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Publications

Görschen, E.; Dunaeva, M.; Reeh, I.; Wasternack, C. Overexpression of the jasmonate inducible 23 kDa protein (JIP 23) from barley in transgenic tobacco leads to the repression of leaf proteins FEBS Letters 419, 58-62, (1997)

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Publications

Feussner, I.; Kühn, H.; Wasternack, C. Hypothesis. Do specific linoleate 13-lipoxygenases initiate b-oxidation? FEBS Letters 406, 1-5, (1997)

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