WebThe polycomb group complex regulates downstream factors, e.g. Pheres1 (PHE1), by genomic imprinting. In heterozygous fie mutants, an endosperm develops in ovules carrying a maternal fie allele without fertilization, finally leading to abortion. Another endosperm development pathway depends on MINISEED3 (a WRKY10 transcription factor) and … WebOur studies have shown that both genetic and epigenetic mechanisms play a key role in plant reproduction. The long term goal of our research is to elucidate the role of positional information, cell lineage, cell-cell communication and epigenetic regulation of gene expression in plant morphogenesis and cellular differentiation. Sexual Reproduction.
Control of PHERES1 Imprinting in Arabidopsis by Direct
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The MADS-box transcription factor PHERES1 controls imprinting …
Web29. feb 2024 · PHERES1 (PHE1) as a key regulator ofsomeimprintedandnonimprinted genes required for endosperm development. Imprinted Genes Are Bona Fide Regulators of Seed … WebWe have shown that the imprinted Arabidopsis thaliana MADS-box TF PHERES1 is a master regulator of paternally expressed imprinted genes, as well as of non-imprinted key regulators of endosperm development. Strikingly, we found that DNA-binding motifs bound by PHERES1 have been distributed by RC/Helitron transposable elements, providing an ... WebThe Arabidopsis thaliana MEDEA Polycomb group protein controls expression of PHERES1 by parental imprinting. Nature Genetics Jan. 2005 Andere Autor:innen. Veröffentlichung anzeigen. Identification of new members of Fertilisation Independent Seed Polycomb Group pathway involved in the control of seed development in Arabidopsis thaliana. ... huntsman building northern general