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Publikationen - Molekulare Signalverarbeitung

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Publikation

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)

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Publikation

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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Publikation

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.

Publikation

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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Publikation

Churin, J., Hause, B., Feussner, I., Maucher, H.P., Feussner, K., Börner, T. & Wasternack, C. Cloning and expression of a new cDNA from monocotyledonous plants coding for a diadenosine 5,5'-P1,P4-tetraphosphate hydrolase from barley (Hordeum vulgare) FEBS Letters 431, 481-485, (1998)

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Publikation

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

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Publikation

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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Publikation

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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Publikation

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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