The results of DNA-DNA hybridization and chemotaxonomic studies indicated that the glutamic acid producers DSM 20297 (T = type strain), “” DSM 20411, “” DSM 1412 and DSM 20412, DSM 20137, and DSM 20300 and DSM 20163 are members of the same species. It is proposed that all of these strains should be classified in the species . Another glutamic acid-producing strain, DSM 20147, was not related at the species level to and should retain its separate species status. A restriction fragment length polymorphism analysis in which oligonucleotides targeted against conserved regions of 16S and 23S rRNA genes were used as hybridizing probes distinguished the individual strains. This method may be a helpful tool for strain identification.


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