Epigenetic Modifications during Angiosperm Gametogenesis
نویسندگان
چکیده
منابع مشابه
Epigenetic Modifications during Angiosperm Gametogenesis
Angiosperms do not contain a distinct germline, but rather develop gametes from gametophyte initials that undergo cell division. These gametes contain cells that give rise to an endosperm and the embryo. DNA methylation is decreased in the vegetative nucleus (VN) and central cell nuclei (CCN) resulting in expression of transposable elements (TEs). It is thought that the siRNAs produced in respo...
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the DNA double helix, is organized into a complex chromatin structure with the assistance of histone and nonhistone proteins. As such, chromatin is the physiologically relevant form of eukaryotic genomes. While it is largely uncontested that different genetic compositions of individual species underlie their unique physiology and final morphology, chromatin provides an additional layer for dict...
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ژورنال
عنوان ژورنال: Frontiers in Plant Science
سال: 2012
ISSN: 1664-462X
DOI: 10.3389/fpls.2012.00020