The Arabidopsis mitogen-activated protein kinase kinase MKK3 is upstream of group C mitogen-activated protein kinases and participates in pathogen signaling.

@article{Dczi2007TheAM,
  title={The Arabidopsis mitogen-activated protein kinase kinase MKK3 is upstream of group C mitogen-activated protein kinases and participates in pathogen signaling.},
  author={R{\'o}bert D{\'o}czi and G{\"u}nter Brader and Alad{\'a}r Pettk{\'o}-Szandtner and Iva Rajh and Armin Djamei and Andrea Pitzschke and Markus Teige and Heribert Hirt},
  journal={The Plant cell},
  year={2007},
  volume={19 10},
  pages={3266-79}
}
Although the Arabidopsis thaliana genome contains genes encoding 20 mitogen-activated protein kinases (MAPKs) and 10 MAPK kinases (MAPKKs), most of them are still functionally uncharacterized. In this work, we analyzed the function of the group B MAPK kinase, MKK3. Transgenic ProMKK3:GUS lines showed basal expression in vascular tissues that was strongly induced by Pseudomonas syringae pv tomato strain DC3000 (Pst DC3000) infection but not by abiotic stresses. The growth of virulent Pst DC3000… CONTINUE READING
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