PRJDB5838 Roles of restriction-modification systems on genome methylation, transcriptome, and phenotype Roles of restriction-modification systems on genome methylation, transcriptome, and phenotype in Helicobacter pylori . Methylome pattern was compared between strain 26695 and its mutant. Roles of restriction-modification systems on genome methylation, transcriptome, and phenotype bioproject PRJDB5838 PRJDB5838 true Roles of restriction-modification systems on genome methylation, transcriptome, and phenotype in Helicobacter pylori . Methylome pattern was compared between strain 26695 and its mutant.