The calcineurin B-like Ca2+ sensors CBL1 and CBL9 function in pollen germination and pollen tube growth in Arabidopsis.

@article{Mhs2013TheCB,
  title={The calcineurin B-like Ca2+ sensors CBL1 and CBL9 function in pollen germination and pollen tube growth in Arabidopsis.},
  author={Anette M{\"a}hs and Leonie Steinhorst and Jian-Pu Han and Li-Ke Shen and Yi Wang and J{\"o}rg Kudla},
  journal={Molecular plant},
  year={2013},
  volume={6 4},
  pages={
          1149-62
        }
}
Ca(2+) has been established as an important second messenger regulating pollen germination and tube growth. However, to date, only a few signaling components have been identified to decode and relay Ca(2+) signals in growing pollen tubes. Here, we report a function for the calcineurin B-like (CBL) Ca(2+) sensor proteins CBL1 and CBL9 from Arabidopsis in pollen germination and tube growth. Both proteins are expressed in mature pollen and pollen tubes and impair pollen tube growth and morphology… CONTINUE READING
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