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Nature 447, 275-276 (17 May 2007) | doi:10.1038/447275a; Published online 16 May 2007
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Faculty - Plant Cellular & Molecular Biology, Molecular Genetics & the Plant Molecular Biology / Biotechnology Program
- The Ohio State University
- Columbus, Ohio
Assistant Professor and Associate Professor
- Massachusetts General Hospital/ Harvard Medical School
- Charlestown, MA
Plant development: Parental conflict overcome
Nir Ohad1
Abstract
In flowering plants, viable seeds result even without two of the mechanisms that normally operate during embryogenesis. This finding illuminates the interplay of male and female factors in the process.
In flowering plants, two identical male gametes from the same pollen grain fuse in the ovule with two female gametes, initiating development of the embryo and the endosperm — the tissue that nourishes the embryo, equivalent to the placenta in mammals. As they describe on page 312 of this issue, Nowack et al.1 find that when only one male gamete triggers embryogenesis, a viable seed can develop if the maternal mechanism controlling endosperm development is disabled.
- Nir Ohad is in the Department of Plant Sciences, Faculty of Life Sciences, Tel-Aviv University, Tel-Aviv 69978, Israel.
Email: niro@tauex.tau.ac.il
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RESEARCH
Bypassing genomic imprinting allows seed developmentNature Letters to Editor (17 May 2007)
Arabidopsis MSI1 is a component of the MEA/FIE Polycomb group complex and required for seed developmentThe EMBO Journal Article (15 Sep 2003)
Arabidopsis MSI1 is a component of the MEA/FIE Polycomb group complex and required for seed developmentThe EMBO Journal Article (15 Sep 2003)
See all 6 matches for Research