FIG. 3.
Southern hybridization analysis of strains of C. beijerinckii for the presence of DNA sequences related to the ald gene of C. beijerinckii NRRL B593. Lanes B and H contained, respectively, BglII- and HindIII-digested genomic DNA of the indicated strains of C. beijerinckii. The border lanes contained 1-kb ladders.