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Pathogens
Volume 9
Issue 5
10.3390/pathogens9050351
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Article

Identification of Serogroups Australis and Icterohaemorrhagiae in Two Dogs with a Severe Form of Acute Leptospirosis in Italy

by
Andrea Balboni
1,
Silvia Zamagni
1,
Cristina Bertasio
2,
Maria Beatrice Boniotti
2,
Roberta Troìa
1,
Mara Battilani
1,* and
Francesco Dondi
1
1
Department of Veterinary Medical Sciences, Alma Mater Studiorum, University of Bologna, 40064 Ozzano dell’Emilia, Bologna, Italy
2
National Reference Centre for Animal Leptospirosis (NRCL), Istituto Zooprofilattico Sperimentale della Lombardia ed Emilia Romagna “Bruno Ubertini”, via Bianchi 7/9, 25121 Brescia, Italy
*
Author to whom correspondence should be addressed.
Pathogens 2020, 9(5), 351; https://doi.org/10.3390/pathogens9050351
Submission received: 17 April 2020 / Revised: 1 May 2020 / Accepted: 4 May 2020 / Published: 6 May 2020
(This article belongs to the Special Issue Leptospira infections in Domestic and Wild Animal)
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Abstract

Leptospirosis is an infectious disease that causes serious illness in dogs. For this reason, epidemiological and clinical studies focusing on disease characterization are widely advocated. The aim of this study was to characterize the leptospires identified in dogs with confirmed symptomatic acute leptospirosis. Leptospira spp. DNA detected in urine, blood, or both samples from nine infected dogs was analyzed using the multi-locus sequence typing (MLST) technique. Leptospires from two dogs were successfully typed: one was identified as belonging to Sequence Type (ST) 17 and one to ST198, both within the L. interrogans species, serogroups Icterohaemorrhagiae and Australis, respectively. Based on the results of routine serologic tests, antibodies reactive toward these serogroups are commonly revealed in dogs in Italy. This study provides the first molecular analysis that identifies infecting Leptospira directly on DNA from biological samples of dogs, showing that serogroup Australis can lead to a severe clinical presentation of leptospirosis in infected dogs.
Keywords: Australis; canine leptospirosis; Icterohaemorrhagiae; multi-locus sequence typing Australis; canine leptospirosis; Icterohaemorrhagiae; multi-locus sequence typing

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MDPI and ACS Style

Balboni, A.; Zamagni, S.; Bertasio, C.; Boniotti, M.B.; Troìa, R.; Battilani, M.; Dondi, F. Identification of Serogroups Australis and Icterohaemorrhagiae in Two Dogs with a Severe Form of Acute Leptospirosis in Italy. Pathogens 2020, 9, 351. https://doi.org/10.3390/pathogens9050351

AMA Style

Balboni A, Zamagni S, Bertasio C, Boniotti MB, Troìa R, Battilani M, Dondi F. Identification of Serogroups Australis and Icterohaemorrhagiae in Two Dogs with a Severe Form of Acute Leptospirosis in Italy. Pathogens. 2020; 9(5):351. https://doi.org/10.3390/pathogens9050351

Chicago/Turabian Style

Balboni, Andrea, Silvia Zamagni, Cristina Bertasio, Maria Beatrice Boniotti, Roberta Troìa, Mara Battilani, and Francesco Dondi. 2020. "Identification of Serogroups Australis and Icterohaemorrhagiae in Two Dogs with a Severe Form of Acute Leptospirosis in Italy" Pathogens 9, no. 5: 351. https://doi.org/10.3390/pathogens9050351

APA Style

Balboni, A., Zamagni, S., Bertasio, C., Boniotti, M. B., Troìa, R., Battilani, M., & Dondi, F. (2020). Identification of Serogroups Australis and Icterohaemorrhagiae in Two Dogs with a Severe Form of Acute Leptospirosis in Italy. Pathogens, 9(5), 351. https://doi.org/10.3390/pathogens9050351

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