New views of tapetum ultrastructure and pollen exine development in Arabidopsis thaliana

• Published in: Annals of botany Vol. 114; no. 6; pp. 1189 - 1201
• Main Authors: Quilichini, Teagen D, Douglas, Carl J, Samuels, A. Lacey
• Format: Journal Article
• Language: English
• Published: England Oxford University Press 01.10.2014
• Subjects: Anthers; Arabidopsis - genetics; Arabidopsis - growth & development; Arabidopsis - metabolism; Arabidopsis - ultrastructure; Arabidopsis thaliana; Biopolymers - metabolism; Carotenoids - metabolism; Cell Differentiation; Cell membranes; Cell Wall - metabolism; Cell walls; Cryoelectron Microscopy; death; Elaioplasts; Epidermal cells; epithelium; exine; Flowers - genetics; Flowers - growth & development; Flowers - metabolism; Flowers - ultrastructure; freezing; gametophytes; Microscopy, Electron, Scanning; Microscopy, Electron, Transmission; Microspores; Microsporocytes; mutants; Organelles; Plant cells; Plastids - metabolism; Plastids - ultrastructure; Pollen; Pollen - genetics; Pollen - growth & development; Pollen - metabolism; Pollen - ultrastructure; sporophytes; transmission electron microscopy; ultrastructure; Arabidopsis thaliana; Anther; tapetosome; microspore; pollen; pollen coat; tapetum ultrastructure; elaioplast; exine; pollen wall; plant cell wall; sporopollenin

Background and AimsThe Arabidopsis thaliana pollen cell wall is a complex structure consisting of an outer sporopollenin framework and lipid-rich coat, as well as an inner cellulosic wall. Although mutant analysis has been a useful tool to study pollen cell walls, the ultrastructure of the arabidops...