Transcriptional programs of early reproductive stages in Arabidopsis

Plant Physiology
Lars HennigClaudia Köhler

Abstract

The life cycle of flowering plants alternates between a diploid sporophytic and a haploid gametophytic generation. After fertilization of each the egg and central cells by one male gamete, the development of both fertilization products occurs coordinated with the maternally derived seed coat and carpel tissues forming the fruit. The reproduction program is likely to involve the concerted activity of many genes. To identify genes with specific functions during reproduction, we have analyzed the expression profile of more than 22,000 genes present on the Arabidopsis ATH1 microarray during three stages of flower and fruit development. We found 1,886 genes regulated during reproductive development and 1,043 genes that were specifically expressed during reproduction. When compared to cells from an Arabidopsis suspension culture, S-phase genes were underrepresented and G2 and M-phase genes were strongly enriched in the set of specific genes, indicating that important functions during reproduction are exerted in the G2 and M phases of the cell cycle. Many potential signaling components, such as receptor-like protein kinases, phosphatases, and transcription factors, were present in both groups of genes. Members of the YABBY, MADS box, ...Continue Reading

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Citations

Dec 25, 2009·Sexual Plant Reproduction·Dazhong Zhao
Dec 18, 2004·Plant Molecular Biology·Stefan de FolterGerco C Angenent
Jan 23, 2009·Plant Molecular Biology·Yun ZhuGuoying Wang
Sep 18, 2004·Plant Physiology·Philip ZimmermannWilhelm Gruissem
Aug 30, 2005·Plant Physiology·Klaas VandepoeleLieven De Veylder
Dec 26, 2006·Plant Physiology·Matthew W B SpencerKeith Lindsey
Jan 9, 2007·Plant Physiology·Mireille FaurobertMathilde Causse
Dec 25, 2009·Plant Physiology·Hubert RehrauerLars Hennig
Nov 24, 2007·Genome Biology·Wim VerelstThomas Münster
Sep 4, 2014·The Plant Journal : for Cell and Molecular Biology·Lihua ZhaoYuan Qin
Jun 21, 2007·Trends in Plant Science·Lars Hennig
Dec 21, 2006·Plant Biotechnology Journal·Sushma TiwariRod J Scott
Aug 24, 2006·The Plant Journal : for Cell and Molecular Biology·Stefan de FolterRichard G H Immink

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