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Keeping pollen tubes on track

A major question in plant reproduction is how pollen tubes perceive and decode female cues from the ovule for directional delivery of sperm cells. MILDEW RESISTANCE LOCUS-O proteins regulate pollen tube guidance by decoding ovular signals.

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Fig. 1: Model for MLO regulation of pollen tube directionality in response to ovular signals.


  1. Wang, T. et al. Nature 531, 241–244 (2016).

    Article  CAS  Google Scholar 

  2. Takeuchi, H. & Higashiyama, T. Nature 531, 245–248 (2016).

    Article  CAS  Google Scholar 

  3. Meng, J.-G. et al. Nat. Plants (2020).

  4. Consonni, C. et al. Nat. Genet. 38, 716–720 (2006).

    Article  CAS  Google Scholar 

  5. Chen, Z. et al. Plant Cell 21, 1972–1991 (2009).

    Article  CAS  Google Scholar 

  6. Kessler, S. A. et al. Science 330, 968–971 (2010).

    Article  CAS  Google Scholar 

  7. Davis, T. C. et al. Plant Reprod. 30, 185–195 (2017).

    Article  CAS  Google Scholar 

  8. Steinhorst, L. & Kudla, J. Biochim. Biophys. Acta 1833, 1573–1581 (2013).

    Article  CAS  Google Scholar 

  9. Malho, R. & Trewavas, A. J. Plant Cell 8, 1935–1949 (1996).

    Article  CAS  Google Scholar 

  10. Bhat, R. A., Miklis, M., Schmelzer, E., Schulze-Lefert, P. & Panstruga, R. Proc. Natl Acad. Sci. USA 102, 3135–3140 (2005).

    Article  CAS  Google Scholar 

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Correspondence to Yan Ju or Sharon A. Kessler.

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Ju, Y., Kessler, S.A. Keeping pollen tubes on track. Nat. Plants 6, 51–52 (2020).

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