Two Mitogen-Activated Protein Kinases, MPK3 and MPK6, Are Required for Funicular Guidance of Pollen Tubes in Arabidopsis.

@article{Guan2014TwoMP,
  title={Two Mitogen-Activated Protein Kinases, MPK3 and MPK6, Are Required for Funicular Guidance of Pollen Tubes in Arabidopsis.},
  author={Yuefeng Guan and Jianping Lu and Juan Xu and Bruce McClure and Shuqun Zhang},
  journal={Plant physiology},
  year={2014},
  volume={165 2},
  pages={
          528-533
        }
}
Double fertilization in flowering plants requires the delivery of two immotile sperm cells to the female gametes by a pollen tube, which perceives guidance cues, modifies its tip growth direction, and eventually enters the micropyle of the ovule. In spite of the recent progress, so far, little is known about the signaling events in pollen tubes in response to the guidance cues. Here, we show that MPK3 and MPK6, two Arabidopsis (Arabidopsis thaliana) mitogen-activated protein kinases, mediate… CONTINUE READING

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