Novel arrangement of rRNA genes in Mycoplasma gallisepticum: separation of the 16S gene of one set from the 23S and 5S genes.

AUTOR(ES)

Chen, X

RESUMO

Large restriction fragments from the DNA of Mycoplasma gallisepticum S6 and PG31, which were prepared by digestion with BglI, BssHII, SmaI, or XhoI and which were separated by pulsed-field electrophoresis, were hybridized with probes containing most, or different parts, of an rRNA operon of Mycoplasma capricolum. The results showed that the genomes contained three widely separated rRNA loci. One locus contained genes for all three rRNA species and another contained 23S and probably 5S rRNA genes, whereas the third appeared to have only a 16S rRNA gene.

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