Genetic diversity of Flavobacterium columnare examined by restriction fragment length polymorphism and sequencing of the 16S ribosomal RNA gene and the 16S-23S rDNA spacer.

Abstract excerpt

Genetic variability among strains of Flavobacterium columnare, isolated in the United States, was characterized by restriction fragment length polymorphism (RFLP) and phylogenetic analysis based on the sequence of the 16S rRNA gene. Twenty-seven isolates of F. columnare were differentiated into three genotypes. The isolates within the genotypes were further grouped based on RFLP of the 16S-23S rDNA spacer. The...

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