%0 Journal Article %A Sinha, Anunay %A Khosla, Sanjeev %D 2024 %F open:3349 %I Informa UK Limited %J Epigenomics %K epigenetics; histone modifications; host-microbe Interaction; lactobacillus; m6A methylation %N 15-16 %P 1081-1096 %T Epigenetic landscape of intestinal cell line HT29 cocultured with Lacticaseibacillus %U http://crdd.osdd.net/open/3349/ %V 16 %X Aim: To investigate the changes in epigenetic landscape of HT29 cells upon coculture with the Lacticaseibacillus.Materials & methods: Histone and m6A mRNA modifications were examined by biochemical and NGS-based methods including western blotting, colorimetric assays, ChIP-Seq and direct mRNA sequencing. LC-MS was performed to identify Lacticaseibacillus secretome.Results: In cocultured HT29 cells global enrichment of H3K9ac and H3K4me3 and depletion of H3K9me3 mark was observed; mean genic positional signals showed depletion of H3K9ac and H3K4me3 at the TSS but enrichment in the upstream region; m6A methylation was altered in mRNAs corresponding to specific gene pathways; Lacticaseibacillus HU protein interacts with histone H3.Conclusion: Lacticaseibacillus can epigenetically alter specific genetic pathways in human intestinal cells.