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Isolation and characterization of the 5S rRNA gene of Leptospira interrogans.


ABSTRACT: The gene encoding the 5S rRNA for Leptospira interrogans serovar canicola strain Moulton was isolated and sequenced. The 5S rRNA gene occurs as a single copy within the genome and encodes a 117-nucleotide-long RNA molecule. The 5S rRNA gene is flanked at both the 5' and 3' ends by regions of A + T-rich sequences, and the 5'-flanking region contains a promoter sequence. L. interrogans has a unique and remarkable organization of the 5S rRNA gene. The 5S rRNA molecule exhibits a strong similarity to typical eubacterial 5S rRNA in terms of overall secondary structure, while the primary sequence is conserved to a lesser degree. Restriction analysis of the 5S rRNA gene indicated that the DNA sequence including the 5S rRNA gene is highly conserved in the genomes of parasitic leptospires.

SUBMITTER: Fukunaga M 

PROVIDER: S-EPMC209134 | biostudies-other | 1990 Jun

REPOSITORIES: biostudies-other

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Isolation and characterization of the 5S rRNA gene of Leptospira interrogans.

Fukunaga M M   Horie I I   Mifuchi I I  

Journal of bacteriology 19900601 6


The gene encoding the 5S rRNA for Leptospira interrogans serovar canicola strain Moulton was isolated and sequenced. The 5S rRNA gene occurs as a single copy within the genome and encodes a 117-nucleotide-long RNA molecule. The 5S rRNA gene is flanked at both the 5' and 3' ends by regions of A + T-rich sequences, and the 5'-flanking region contains a promoter sequence. L. interrogans has a unique and remarkable organization of the 5S rRNA gene. The 5S rRNA molecule exhibits a strong similarity t  ...[more]

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