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Nucleotide sequence alignment of the strains lacking the MGF505-2R gene. Eight clinical samples lacking the MGF505-2R gene by the commercial qPCR detection kit (Lijian, China) were further verified by sequence alignment, and confirmed to be lacking the partial MGF360-9R, whole MGF360-10R~MGF360-14R, MGF505-1R and MGF505-2R, and partial MGF505-3R genes with a total deletion of 10,134 bp.
