Maintaining pollen tube integrity in maize
The Plant Cell: In a NutshellZhou et al. investigated pollen tube integrity maintenance mechanisms in maize. The Plant Cell (2023) https://doi.org/10.1093/plcell/koad324
By Liang-Zi Zhou and Thomas Dresselhaus
Background: As sperm cell transporting vehicles, pollen tubes of flowering plants grow through the transmitting tissues…
Germline fate in pollen
The Plant Cell: In a NutshellHuang and Sun explore how germline fate is suppressed in vegetative cells but not in sperm cells of pollen.
By Xiaorong Huang and Meng-Xiang Sun
College of Life Science, State Key Laboratory of Hybrid Rice, Wuhan University, Wuhan 430072, China
Background: The microspore divides asymmetrically…
PI4P production at the plasma membrane: A giant protein complex for a tiny lipid
The Plant Cell: In a NutshellNoack et al. provide insight into the biosynthesis of an important plasma membrane lipid.
https://doi.org/10.1093/plcell/koab135
Lise Noack and Yvon Jaillais
Laboratoire Reproduction et Développement des Plantes, Univ Lyon, ENS de Lyon, Université Claude Bernard Lyon 1, CNRS, INRAE, F-69342,…
Regulation of protein secretion in tapetal cells
The Plant Cell: In a NutshellGoodman et al. uncover the roles of ESCRT (Endosomal Sorting Complex Required for Transport) proteins in the exocytosis of plasma membrane and secreted proteins in tapetal cells during pollen development. The Plant Cell (2021) https://doi.org/10.1093/plcell/koab132
By Marisa Otegui
Background:…
LARP6C reveals its double face during plant fertilization
The Plant Cell: In a NutshellBilley et al. uncover the roles of LARP6C as a translational repressor in dormant pollen and an activator when the pollen “awakens”. The Plant Cell (2021) https://doi.org/10.1093/plcell/koab131
By Elodie Billey1,2,3, Said Hafidh4, Cécile Bousquet-Antonelli1,2
1 CNRS LGDP-UMR5096, 58 Av.…