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Example of Southern blot hybridization of HindIII-restricted streptococcal genomic DNA probed with abpA. Lane 1, S. mitis OP51; lane 2, S. mitis NCTC 10712; lane 3, S. crista CR3; lane 4, S. crista CR311; lane 5, S. sanguinis 10556; lane 6, S. gordonii FAS 4; lane 7, S. mutans 10449.
