2023
H3.1K27me1 loss confers Arabidopsis resistance to Geminivirus by sequestering DNA repair proteins onto host genome
Wang Z, Castillo-González C, Zhao C, Tong C, Li C, Zhong S, Liu Z, Xie K, Zhu J, Wu Z, Peng X, Jacob Y, Michaels S, Jacobsen S, Zhang X. H3.1K27me1 loss confers Arabidopsis resistance to Geminivirus by sequestering DNA repair proteins onto host genome. Nature Communications 2023, 14: 7484. PMID: 37980416, PMCID: PMC10657422, DOI: 10.1038/s41467-023-43311-1.Peer-Reviewed Original ResearchConceptsDNA repair proteinsDNA repair pathwaysRepair pathwaysRepair proteinsWild-type plantsDefense-related genesArabidopsis resistanceHeterochromatin amplificationHeterochromatic regionsRAD51 recruitmentRep proteinGenomic instabilityHealthy plantsUnstable genomeHost genomeATXR6GeminivirusesRobust resistanceProteinViral amplificationGenomeMutantsViral DNATransposonPlants
2022
The histone H3.1 variant regulates TONSOKU-mediated DNA repair during replication
Davarinejad H, Huang YC, Mermaz B, LeBlanc C, Poulet A, Thomson G, Joly V, Muñoz M, Arvanitis-Vigneault A, Valsakumar D, Villarino G, Ross A, Rotstein BH, Alarcon EI, Brunzelle JS, Voigt P, Dong J, Couture JF, Jacob Y. The histone H3.1 variant regulates TONSOKU-mediated DNA repair during replication. Science 2022, 375: 1281-1286. PMID: 35298257, PMCID: PMC9153895, DOI: 10.1126/science.abm5320.Peer-Reviewed Original ResearchConceptsTetratricopeptide repeat domainDNA polymerase thetaMulticellular eukaryotesHistone H3.1Replication forksChromatin maturationRepeat domainDNA repairGenomic instabilityPolymerase thetaPosition 31Amino acidsH3.1PlantsReplicationEukaryotesH3.3HistonesMonomethylationVariantsCommon strategyForkResiduesMaturationFunction