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Please use this identifier to cite or link to this item: http://repository.li.mahidol.ac.th/dspace/handle/123456789/13649
Title: Fingerprints by pulsed-field gel electrophoresis of leptospires isolated from field rats and comparison with reference Leptospira serovars
Authors: Uraiwan Kositanont
Patcharee Prasajak
Suwanna Trakulsomboon
Noppadol Sangjun
Duangporn Phulsuksombati
Mahidol University
Armed Forces Research Institute of Medical Sciences, Thailand
Keywords: Biochemistry, Genetics and Molecular Biology;Medicine
Issue Date: 1-Aug-2012
Citation: Asian Biomedicine. Vol.6, No.4 (2012), 557-564
Abstract: Background: More than 260 leptospiral serovars by serology have been recorded. New genotypic methods have classified Leptospira into 20 species. Serovar identification is essential for epidemiological study of this disease. Objective: We identified fingerprints from reference serovar strains of Leptospira spp. and representative serovars from field rat isolates by pulsed-field gel electrophoresis (PFGE). Methods: Extract genomic DNA from 28 reference serovars of Leptospira spp. and 13 leptospiral isolates from field rats, selected as representative serovars Pyrogenes, Bataviae, Autumnalis, and Australis, using PFGE following NotI restriction digest. Results: PFGE with NotI restriction enzyme successfully differentiated 28 reference serovars into 27 fingerprint patterns, with the exception of serovars Copenhageni and Icterohaemorrhagiae. The discriminatory power of these reference strains was 0.99. Isolates that yielded patterns identical to their corresponding serovars were serovars Pyrogenes strain Salinem and Bataviae. Patterns for isolates of serovars Autumnalis and Australis were different from reference serovar Autumnalis strain Akiyami A and serovar Australis strain Ballico used in this study. Conclusion: PFGE can be useful for identifying serovars of leptospiral isolates from reservoirs and for identifying new serovars of Leptospira for epidemiological study.
URI: https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=84871674844&origin=inward
http://repository.li.mahidol.ac.th/dspace/handle/123456789/13649
ISSN: 1875855X
19057415
Appears in Collections:Scopus 2011-2015

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