FIG. 1.
PCR products obtained for eight species with group-specific primers. Lane M, DNA size markers (sizes [in bases] are indicated on the left); lane 1, Bacteroides fragilis NCTC 9343T; lane 2, Bacteroides vulgatus ATCC 8424 T; lane 3, Prevotella melaninogenica JCM 6321; lane 4, Prevotella buccae DSM 20615; lane 5, Bifidobacterium bifidum ATCC 29521T; lane 6, Bifidobacterium longum ATCC 157071T; lane 7, Clostridium coccoides JCM 1395T; lane 8, Clostridium clostridioforme JCM 1291T; lane 9, negative control (PCR performed with g-Bfra primers and Escherichia coli ATCC 11775T).