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Search: authors:"Agnieszka Braszewska-Zalewska"

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Histone H3 and H4 acetylation patterns are more dynamic than those of DNA methylation in Brachypodium distachyon embryos during seed maturation and germination

Braszewska-Zalewska contributed equally to this work. Brachypodium distachyon embryo; Epigenetic modifications; H4K16ac; H3K18ac; DNA methylation - * Elzbieta Wolny One of the most important stages in the

Epigenomic diversification within the genus Lupinus

Deciphering the various chemical modifications of both DNA and the histone compound of chromatin not only leads to a better understanding of the genome-wide organisation of epigenetic landmarks and their impact on gene expression but may also provide some insights into the evolutionary processes. Although both histone modifications and DNA methylation have been widely...

Functional analysis of the new barley gene HvKu80 indicates that it plays a key role in double-strand DNA break repair and telomere length regulation

Genotoxic stress causes a reduced stability of the plant genome and has a detrimental effect on plant growth and productivity. Double-strand breaks (DSBs) are the most harmful of all DNA lesions because they cause the loss of genetic information on both strands of the DNA helix. In the presented study the coding and genomic sequences of the HvKu80 gene were determined. A...

Spatial Distribution of Epigenetic Modifications in Brachypodium distachyon Embryos during Seed Maturation and Germination

Seed development involves a plethora of spatially and temporally synchronised genetic and epigenetic processes. Although it has been shown that epigenetic mechanisms, such as DNA methylation and chromatin remodelling, act on a large number of genes during seed development and germination, to date the global levels of histone modifications have not been studied in a tissue...

Epigenetic chromatin modifications in barley after mutagenic treatment

In addition to their normal developmental processes, plants have evolved complex genetic and epigenetic regulatory mechanisms to cope with various environmental stresses. It has been shown that both DNA methylation and histone modifications are involved in DNA damage response to various types of stresses. In this study, we focused on the involvement of two mutagenic agents...