Control of female gamete formation by a small RNA pathway in Arabidopsis

Vianey Olmedo-Monfil, Noé Durán-Figueroa, Mario Arteaga-Vázquez, Edgar Demesa-Arévalo, Daphné Autran, Daniel Grimanelli, R. Keith Slotkin, Robert A. Martienssen and Jean-Philippe Vielle-Calzada ()
Additional contact information
Vianey Olmedo-Monfil: Grupo de Desarrollo Reproductivo y Apomixis
Noé Durán-Figueroa: Grupo de Desarrollo Reproductivo y Apomixis
Mario Arteaga-Vázquez: Grupo de Desarrollo Reproductivo y Apomixis
Edgar Demesa-Arévalo: Grupo de Desarrollo Reproductivo y Apomixis
Daphné Autran: Institut de Recherche pour le Développement, UMR 5096, 34394 Montpellier, France
Daniel Grimanelli: Institut de Recherche pour le Développement, UMR 5096, 34394 Montpellier, France
R. Keith Slotkin: Cold Spring Harbor Laboratory, Cold Spring Harbor, New York 11724, USA
Robert A. Martienssen: Cold Spring Harbor Laboratory, Cold Spring Harbor, New York 11724, USA
Jean-Philippe Vielle-Calzada: Grupo de Desarrollo Reproductivo y Apomixis

Nature, 2010, vol. 464, issue 7288, 628-632

Abstract: AGO9 protein and gene silencing in plant gametes Female gametes in flowering plants develop from a meiotic division of a precursor cell followed by mitotic divisions of one of the haploid cells to yield the gametophyte. This study identifies AGO9, a protein involved in RNA interference, as a factor required for specification of the single gametophyte. AGO9 is found not in the cell destined to be the gametophyte, but in the neighbouring companion cells, suggesting that it functions in a non-cell autonomous fashion.

Date: 2010
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DOI: 10.1038/nature08828

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