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Electrophoresis. 1998 Apr;19(4):589-92.

Leptospira genomics.

Author information

1
Unité de Bactériologie Moléculaire et Médicale, Institut Pasteur, Paris, France.

Abstract

The bacterial species Leptospira interrogans (sensu stricto) has a complex genome containing two circular chromosomal replicons. Comparative analysis of the larger chromosome reveals a fluid genetic organization with many large rearrangements differentiating two closely related strains. In the present study new genes were identified by partial sequence analysis of randomly cloned fragments of L. interrogans DNA. These genes were localized in regions of the genome by nucleic acid hybridization with DNA fragments separated by pulsed-field gel electrophoresis. The resulting genetic maps provide improved resolution for each strain and provide evidence for additional chromosomal rearrangements. Insertion elements may be involved in recombination events, as several are near regions of the chromosome that have undergone rearrangement.

PMID:
9588807
DOI:
10.1002/elps.1150190421
[Indexed for MEDLINE]

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