Genomic DNA of all 105 selected Salmonella isolates was extracted from cultures incubated in Luria-Bertani (LB) broth overnight using a FastPure bacterial DNA isolation minikit (Vazyme Biotech Co., Ltd., Nanjing, China) according to the manufacturer’s instructions and quantified using a Nanodrop 1000 instrument (Thermo Fisher Scientific, USA). Genomic DNA of eligible quality was sequenced on the Illumina NovaSeq 6000 platform by Novogene (Beijing, China), as described previously (6 (link)).
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