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Epigenetic distribution of recombinant plant chromosome fragments in a human–arabidopsis hybrid cell line
- 1.0547644 - ÚEB 2022 RIV CH eng J - Článek v odborném periodiku
Liaw, Y. M. - Liu, Y. - Teo, C. H. - Cápal, Petr - Wada, N. - Fukui, K. - Doležel, Jaroslav - Ohmido, N.
Epigenetic distribution of recombinant plant chromosome fragments in a human–arabidopsis hybrid cell line.
International Journal of Molecular Sciences. Roč. 22, č. 11 (2021), č. článku 5426. E-ISSN 1422-0067
Grant CEP: GA MŠMT(CZ) EF16_019/0000827
Institucionální podpora: RVO:61389030
Klíčová slova: Arabidopsis genome * DNA methylation * Epigenome * Gene expression * Human–plant hybrid cell line * Whole-genome bisulfite sequencing (WGBS)
Obor OECD: Biochemistry and molecular biology
Impakt faktor: 6.208, rok: 2021
Způsob publikování: Open access
http://doi.org/10.3390/ijms22115426
Methylation systems have been conserved during the divergence of plants and animals, although they are regulated by different pathways and enzymes. However, studies on the interactions of the epigenomes among evolutionarily distant organisms are lacking. To address this, we studied the epigenetic modification and gene expression of plant chromosome fragments (~30 Mb) in a human–Arabidopsis hybrid cell line. The whole-genome bisulfite sequencing results demonstrated that recombinant Arabidopsis DNA could retain its plant CG methylation levels even without functional plant methyltransferases, indicating that plant DNA methylation states can be maintained even in a different genomic background. The differential methylation analysis showed that the Arabidopsis DNA was undermethylated in the centromeric region and repetitive elements. Several Arabidopsis genes were still expressed, whereas the expression patterns were not related to the gene function. We concluded that the plant DNA did not maintain the original plant epigenomic landscapes and was under the control of the human genome. This study showed how two diverging genomes can coexist and provided insights into epigenetic modifications and their impact on the regulation of gene expressions between plant and animal genomes.
Trvalý link: http://hdl.handle.net/11104/0323837
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