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Improved Antibody Detection for Canine Leptospirosis: ELISAs Modified Using Local Leptospiral Serovar Isolates from Asymptomatic Dogs.
Animals (Basel)
March 2024
Department of Veterinary Microbiology, Faculty of Veterinary Science, Chulalongkorn University, Henri-Dunent Street, Pathumwan, Bangkok 10330, Thailand.
Leptospirosis is a zoonotic disease of significant concern for human and animal health, with domestic animals, including dogs, acting as reservoirs for human infection. Serology is widely used for leptospirosis diagnosis, even though the standard microscopic agglutination test (MAT) using a panel of serovars lacks specificity and can lead to detection limitations in certain regions. In this study, we aimed to develop an antibody detection tool for dogs using an indirect enzyme-linked immunosorbent assay (ELISA) with a set of local serovar isolates, including Paidjan, Dadas, and Mini, to enhance the accuracy of leptospirosis surveillance in our region.
View Article and Find Full Text PDFLeptospira infection and shedding in dogs in Thailand.
BMC Vet Res
March 2020
Clinic of Small Animal Medicine, Centre for Clinical Veterinary Medicine, LMU Munich, Veterinaerstrasse 13, 80539, Munich, Germany.
Background: Leptospirosis is a widespread zoonosis and has been recognized as a re-emerging infectious disease in humans and dogs, but prevalence of Leptospira shedding in dogs in Thailand is unknown. The aim of this study was to determine urinary shedding of Leptospira in dogs in Thailand, to evaluate antibody prevalence by microscopic agglutination test (MAT) and enzyme-linked immunosorbent assay (ELISA), and to assess risk factors for Leptospira infection. In Northern, Northeastern, and Central Thailand, 273 stray (n = 119) or client-owned (n = 154) dogs from rural (n = 139) or urban (n = 134) areas were randomly included.
View Article and Find Full Text PDFCorrection to: Genomic analysis of Leptospira interrogans serovar Paidjan and Dadas isolates from carrier dogs and comparative genomic analysis to detect genes under positive selection.
BMC Genomics
March 2019
Department of Microbiology, Faculty of Veterinary Science, Chulalongkorn University, Bangkok, Thailand.
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View Article and Find Full Text PDFGenomic analysis of Leptospira interrogans serovar Paidjan and Dadas isolates from carrier dogs and comparative genomic analysis to detect genes under positive selection.
BMC Genomics
March 2019
Department of Microbiology, Faculty of Veterinary Science, Chulalongkorn University, Bangkok, Thailand.
Background: Leptospirosis is an emerging infectious disease worldwide that can cause high morbidity and mortality rates in humans and animals. The causative spirochetes have reservoirs in mammalian hosts, but there has been limited analysis of the genomes of isolates recovered from animals. The aims of this study were to characterize genomic features of two Leptospira interrogans strains recently isolated from asymptomatic dogs in Thailand (strains CUDO5 and CDUO8), and to perform comparative genome analyses with other strains.
View Article and Find Full Text PDFDNA relatedness of Leptospira strains isolated from beef cattle in Zimbabwe.
Int J Syst Bacteriol
July 1999
Department of Biological Sciences, University of Zimbabwe, Harare, Zimbabwe.
The DNA relatedness of 17 Leptospira strains isolated from beef cattle in Zimbabwe was determined using the hydroxyapatite method. Similarly to previously speciated African strains, all Zimbabwe isolates belonged to either Leptospira borgpetersenii or Leptospira kirschneri. All serovars within serogroups Pyrogenes (kwale, mombe and a strain closely related to serovar nigeria), Hebdomadis (marondera and mhou), Tarassovi (ngavi) and Sejroe (balcanica and hardjo) were L.
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