Seeking the Meiotic Trigger in Arabidopsis

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• Liz Alvey
• Friday 13 November 2009, 13:00-13:30
• Department of Plant Sciences, Large Lecture Theatre.

If you have a question about this talk, please contact ag586.

Meiosis is the specialised cell division that gives rise to the haploid cells required for gamete formation and sexual reproduction. The factors that induce cells to undergo meiosis vary greatly between (and within) eukaryotes and a meiotic trigger has yet to be defined in plants. Here we propose to use a forward genetic screen to identify sterile mutants in Arabidopsis that fail to enter meiosis at the appropriate time and place during development. Fluorescent markers that selectively highlight meioticytes or the surrounding cells are being generated to better characterise the developmental events surrounding meiosis. These will be used in combination with a meiotic indicator (callose accumulation) to screen for mutants with disrupted sporogenesis. By selecting mutants that exhibit normal early anther (male) and ovule (female) development but fail to complete meiosis, we aim to indentify genes that are required for meiotic commitment in Arabidopsis.

This talk is part of the Plant Sciences Research Seminars series.

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