1. Volume 28, Issue 6, Pages R266-R269 (March 2018)
Plant Reproduction: Autocrine Machinery for the Long Journey of the Pollen Tube 
Tetsuya Higashiyama 
Current Biology 
Volume 28, Issue 6, Pages R266-R269 (March 2018)
DOI: /j.cub
Copyright © 2018 Elsevier Ltd Terms and Conditions

2. Figure 1 ANX–BUPS and RALF signaling in the pollen tube journey.
Pollen tubes grow through the pistil to deliver sperm cells to the egg-containing tissue. ANX and BUPS receptors perceive autocrine RALF4,19 ligands for growth and possibly paracrine RALF34 ligand for rupture.
Current Biology  , R266-R269DOI: ( /j.cub )
Copyright © 2018 Elsevier Ltd Terms and Conditions