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Expression of the Arabidopsis jasmonate signalling repressor JAZ1/TIFY10A is stimulated by auxin

Wim Grunewald (UGent) , Bartel Vanholme (UGent) , Laurens Pauwels (UGent) , Eva Plovie, Dirk Inzé (UGent) , Godelieve Gheysen (UGent) and Alain Goossens (UGent)
(2009) EMBO Reports. 10(8). p.923-928
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Abstract
Plant hormones have pivotal roles in almost every aspect of plant development. Over the past decades, physiological and genetic studies have revealed that hormone action in plants is determined by complex interactions between hormonal signalling pathways. Evidence is accumulating for the existence of crosstalk between the auxin and jasmonate (JA) signalling pathways. Recently, the JASMONATE ZIM-domain (JAZ) proteins have been identified as the long-sought repressors of JA signalling. Here, we show that expression of JAZ1/TIFY10A is not solely inducible by JA, but that it is also an early auxin-responsive gene. Furthermore, we could show that the auxin-inducible expression of JAZ1/TIFY10A is independent of the JA signalling pathway but is controlled by the auxin/indole-3-acetic acid-auxin response transcription factor signalling pathway. Our results provide evidence for the existence of at least two different input signals regarding JAZ1/TIFY10A expression and thus support the idea of an intimate molecular interplay between auxin and JA signalling.
Keywords
TIFY, ARF, NLS, JAZ, MeJA

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Chicago
Grunewald, Wim, Bartel Vanholme, Laurens Pauwels, Eva Plovie, Dirk Inzé, Godelieve Gheysen, and Alain Goossens. 2009. “Expression of the Arabidopsis Jasmonate Signalling Repressor JAZ1/TIFY10A Is Stimulated by Auxin.” EMBO Reports 10 (8): 923–928.
APA
Grunewald, W., Vanholme, B., Pauwels, L., Plovie, E., Inzé, D., Gheysen, G., & Goossens, A. (2009). Expression of the Arabidopsis jasmonate signalling repressor JAZ1/TIFY10A is stimulated by auxin. EMBO Reports, 10(8), 923–928.
Vancouver
1.
Grunewald W, Vanholme B, Pauwels L, Plovie E, Inzé D, Gheysen G, et al. Expression of the Arabidopsis jasmonate signalling repressor JAZ1/TIFY10A is stimulated by auxin. EMBO Reports. 2009;10(8):923–8.
MLA
Grunewald, Wim, Bartel Vanholme, Laurens Pauwels, et al. “Expression of the Arabidopsis Jasmonate Signalling Repressor JAZ1/TIFY10A Is Stimulated by Auxin.” EMBO Reports 10.8 (2009): 923–928. Print.
@article{748957,
  abstract     = {Plant hormones have pivotal roles in almost every aspect of plant development. Over the past decades, physiological and genetic studies have revealed that hormone action in plants is determined by complex interactions between hormonal signalling pathways. Evidence is accumulating for the existence of crosstalk between the auxin and jasmonate (JA) signalling pathways. Recently, the JASMONATE ZIM-domain (JAZ) proteins have been identified as the long-sought repressors of JA signalling. Here, we show that expression of JAZ1/TIFY10A is not solely inducible by JA, but that it is also an early auxin-responsive gene. Furthermore, we could show that the auxin-inducible expression of JAZ1/TIFY10A is independent of the JA signalling pathway but is controlled by the auxin/indole-3-acetic acid-auxin response transcription factor signalling pathway. Our results provide evidence for the existence of at least two different input signals regarding JAZ1/TIFY10A expression and thus support the idea of an intimate molecular interplay between auxin and JA signalling.},
  author       = {Grunewald, Wim and Vanholme, Bartel and Pauwels, Laurens and Plovie, Eva and Inz{\'e}, Dirk and Gheysen, Godelieve and Goossens, Alain},
  issn         = {1469-221X},
  journal      = {EMBO Reports},
  keyword      = {TIFY,ARF,NLS,JAZ,MeJA},
  language     = {eng},
  number       = {8},
  pages        = {923--928},
  title        = {Expression of the Arabidopsis jasmonate signalling repressor JAZ1/TIFY10A is stimulated by auxin},
  url          = {http://dx.doi.org/10.1038/embor.2009.103},
  volume       = {10},
  year         = {2009},
}
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