Genomic DNA was extracted from C. difficile WT, ΔagrB1, ΔagrD1, and ΔagrB1D1 strains using the Sigma bacterial genomic DNA extraction kit, following the manufacturer’s protocol. The genomic DNA was submitted to the Oklahoma Medical Research Foundation Genomics Core Facility and paired-end sequenced on an Illumina MiSeq. The data were aligned to the reference genome (GenBank accession number AM180355) using Geneious version 10.2.4 (39 (link)).
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