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Depletion plays a pivotal role in self-incompatibility, revealing a link between cellular energy status, cytosolic acidification and actin remodelling in pollen tubes.
Ludi Wang, Zongcheng Lin, José Carli, Agnieszka Gladala-Kostarz, Julia M Davies, Vernonica E Franklin-Tong, Maurice Bosch
Jul 23, 2022
Self-incompatibility (SI) involves specific interactions during pollination to reject incompatible ('self') pollen, preventing inbreeding in angiosperms. A key event observed in pollen undergoing the Papaver rhoeas SI response...
KATANIN-dependent mechanical properties of the stigmatic cell wall mediate the pollen tube path in Arabidopsis.
Lucie Riglet, Frédérique Rozier, Chie Kodera, Simone Bovio, Julien Sechet, Isabelle Fobis-Loisy, Thierry Gaude
Oct 19, 2020
Successful fertilization in angiosperms depends on the proper trajectory of pollen tubes through the pistil tissues to reach the ovules. Pollen tubes first grow within the cell wall of the papilla cells, applying pressure to the...