Early paternal gene activity in Arabidopsis

Dolf Weijers, Niko Geldner (), Remko Offringa and Gerd Jürgens
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Dolf Weijers: Institute of Molecular Plant Sciences, Leiden University
Niko Geldner: Zentrum für Molekularbiologie der Pflanzen, Universität Tübingen
Remko Offringa: Institute of Molecular Plant Sciences, Leiden University
Gerd Jürgens: Zentrum für Molekularbiologie der Pflanzen, Universität Tübingen

Nature, 2001, vol. 414, issue 6865, 709-710

Abstract: Abstract Both parental genomes are expressed during embryogenesis, although the time of activation of the paternally inherited genes varies between organisms1,2. Results reported by Vielle-Calzada et al.3 have suggested that delayed activation of the paternal genome seems to be the rule in plant development. We find, however, that during early embryogenesis in Arabidopsis, paternal genes are expressed and are sufficient for normal development. Our findings indicate that there is no overall maternal control of early embryogenesis, and that the contribution of the parental alleles needs to be assessed for each gene individually.

Date: 2001
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DOI: 10.1038/414709a

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